Configuration (Aeron Message Transport)

java.lang.Object
- io.aeron.driver.Configuration

public class Configuration
extends java.lang.Object

Configuration options for the MediaDriver.

Field Summary

Fields
Modifier and Type	Field and Description
`static long`	`CLIENT_LIVENESS_TIMEOUT_DEFAULT_NS` Default timeout for client liveness in nanoseconds.
`static long`	`CLIENT_LIVENESS_TIMEOUT_NS` Timeout for client liveness in nanoseconds.
`static java.lang.String`	`CLIENT_LIVENESS_TIMEOUT_PROP_NAME` Property name for `Aeron` client liveness timeout.
`static int`	`CMD_QUEUE_CAPACITY` Capacity for the command queues used between driver agents.
`static int`	`COMMAND_DRAIN_LIMIT` Limit for the number of commands drained in one operation.
`static int`	`CONDUCTOR_BUFFER_LENGTH` Conductor buffer length in bytes.
`static int`	`CONDUCTOR_BUFFER_LENGTH_DEFAULT` Default buffer length for conductor buffers between the client and the media driver conductor.
`static java.lang.String`	`CONDUCTOR_BUFFER_LENGTH_PROP_NAME` Length (in bytes) of the conductor buffer for control commands from the clients to the media driver conductor.
`static java.lang.String`	`CONDUCTOR_IDLE_STRATEGY` `IdleStrategy` to be employed by `DriverConductor` for `ThreadingMode.DEDICATED` and `ThreadingMode.SHARED_NETWORK`.
`static java.lang.String`	`CONDUCTOR_IDLE_STRATEGY_PROP_NAME` Property name for `IdleStrategy` to be employed by `DriverConductor` for `ThreadingMode.DEDICATED` and `ThreadingMode.SHARED_NETWORK`.
`static java.lang.String`	`CONGESTION_CONTROL_STRATEGY_SUPPLIER` `CongestionControlSupplier` to be employed for receivers.
`static java.lang.String`	`CONGESTION_CONTROL_STRATEGY_SUPPLIER_PROP_NAME` Property name for `CongestionControlSupplier` to be employed for receivers.
`static java.lang.String`	`COUNTER_FREE_TO_REUSE_TIMEOUT_PROP_NAME` Timeout between a counter being freed and being reused.
`static int`	`COUNTERS_METADATA_BUFFER_LENGTH`
`static int`	`COUNTERS_VALUES_BUFFER_LENGTH` Length of the memory mapped buffers for the system counters file.
`static int`	`COUNTERS_VALUES_BUFFER_LENGTH_DEFAULT` Default length of the memory mapped buffers for the system counters file.
`static java.lang.String`	`COUNTERS_VALUES_BUFFER_LENGTH_PROP_NAME` Property name for length of the error buffer for the system counters.
`static long`	`DEFAULT_COUNTER_FREE_TO_REUSE_TIMEOUT_NS` Timeout between a counter being freed and being reused
`static long`	`DEFAULT_TIMER_INTERVAL_NS` Default interval in between checks for timers and timeouts.
`static boolean`	`DIR_DELETE_ON_START` Should driver attempt to an immediate forced delete of `CommonContext.AERON_DIR_PROP_NAME` on start if it exists.
`static java.lang.String`	`DIR_DELETE_ON_START_PROP_NAME` Should driver attempt to an immediate forced delete of `CommonContext.AERON_DIR_PROP_NAME` on start if it exists.
`static boolean`	`DIR_WARN_IF_EXISTS` Warn if the Aeron directory exists.
`static java.lang.String`	`DIR_WARN_IF_EXISTS_PROP_NAME` Warn if the Aeron directory exists.
`static int`	`ERROR_BUFFER_LENGTH` Buffer length for the error buffer for the media driver.
`static int`	`ERROR_BUFFER_LENGTH_DEFAULT` Default buffer length for the error buffer for the media driver.
`static java.lang.String`	`ERROR_BUFFER_LENGTH_PROP_NAME` Property name for length of the memory mapped buffer for the distinct error log.
`static int`	`FILE_PAGE_SIZE` Page size for alignment of all files.
`static int`	`FILE_PAGE_SIZE_DEFAULT` Default page size for alignment of all files.
`static java.lang.String`	`FILE_PAGE_SIZE_PROP_NAME` Property name for page size to align all files to.
`static long`	`IDLE_MAX_PARK_NS` Maximum back-off park time which doubles on each interval stepping up from the min park idle.
`static long`	`IDLE_MAX_SPINS` Spin on no activity before backing off to yielding.
`static long`	`IDLE_MAX_YIELDS` Yield the thread so others can run before backing off to parking.
`static long`	`IDLE_MIN_PARK_NS` Park for the minimum period of time which is typically 50-55 microseconds on 64-bit non-virtualised Linux.
`static long`	`IMAGE_LIVENESS_TIMEOUT_DEFAULT_NS` Default timeout for `Image` liveness in nanoseconds.
`static long`	`IMAGE_LIVENESS_TIMEOUT_NS` Timeout for `Image` liveness in nanoseconds.
`static java.lang.String`	`IMAGE_LIVENESS_TIMEOUT_PROP_NAME` Property name for `Image` liveness timeout.
`static int`	`INITIAL_WINDOW_LENGTH_DEFAULT` Default initial window length for flow control sender to receiver purposes.
`static java.lang.String`	`INITIAL_WINDOW_LENGTH_PROP_NAME` Property name for length of the initial window which must be sufficient for Bandwidth Delay Produce (BDP).
`static int`	`IPC_MTU_LENGTH` Length of the MTU to use for sending messages via IPC
`static java.lang.String`	`IPC_MTU_LENGTH_PROP_NAME` Length of the maximum transmission unit of the media driver's protocol for IPC.
`static int`	`IPC_PUBLICATION_TERM_WINDOW_LENGTH` IPC Publication term window length for flow control in bytes.
`static java.lang.String`	`IPC_PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME` Property name for window limit for IPC publications.
`static int`	`IPC_TERM_BUFFER_LENGTH` IPC Term buffer length in bytes.
`static java.lang.String`	`IPC_TERM_BUFFER_LENGTH_PROP_NAME` Property name for term buffer length (in bytes) for IPC buffers.
`static int`	`LOSS_REPORT_BUFFER_LENGTH` Buffer length for the loss report buffer for the media driver.
`static int`	`LOSS_REPORT_BUFFER_LENGTH_DEFAULT` Default buffer length for the loss report buffer.
`static java.lang.String`	`LOSS_REPORT_BUFFER_LENGTH_PROP_NAME` Property name for length of the memory mapped buffer for the loss report buffer.
`static long`	`LOW_FILE_STORE_WARNING_THRESHOLD` Default value for low file storage warning threshold.
`static long`	`LOW_FILE_STORE_WARNING_THRESHOLD_DEFAULT` Default value for low file storage warning threshold.
`static java.lang.String`	`LOW_FILE_STORE_WARNING_THRESHOLD_PROP_NAME` Property name low file storage warning threshold.
`static int`	`MAX_RETRANSMITS_DEFAULT` Default max number of active retransmissions per connected stream.
`static int`	`MAX_UDP_PAYLOAD_LENGTH` Maximum UDP datagram payload size for IPv4.
`static int`	`MTU_LENGTH` Length of the MTU to use for sending messages.
`static int`	`MTU_LENGTH_DEFAULT` The default is conservative to avoid fragmentation on IPv4 or IPv6 over Ethernet with PPPoE header, or for clouds such as Google, Oracle, and AWS.
`static java.lang.String`	`MTU_LENGTH_PROP_NAME` Length of the maximum transmission unit of the media driver's protocol.
`static java.lang.String`	`MULTICAST_FLOW_CONTROL_STRATEGY` `FlowControl` to be employed for multicast channels.
`static java.lang.String`	`MULTICAST_FLOW_CONTROL_STRATEGY_PROP_NAME` Property name for `FlowControl` to be employed for multicast channels.
`static java.lang.String`	`MULTICAST_FLOW_CONTROL_STRATEGY_SUPPLIER` `FlowControlSupplier` to be employed for multicast channels.
`static java.lang.String`	`MULTICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME` Property name for `FlowControlSupplier` to be employed for unicast channels.
`static int`	`NAK_GROUPSIZE_DEFAULT` Default group size estimate for NAK delay randomisation.
`static int`	`NAK_GRTT_DEFAULT` Default group RTT estimate for NAK delay randomization in milliseconds.
`static long`	`NAK_MAX_BACKOFF_DEFAULT` Default max backoff for NAK delay randomisation in milliseconds.
`static OptimalMulticastDelayGenerator`	`NAK_MULTICAST_DELAY_GENERATOR` Multicast NAK delay is immediate initial with delayed subsequent delay.
`static long`	`NAK_UNICAST_DELAY_DEFAULT_NS` Default Unicast NAK delay in nanoseconds.
`static StaticDelayGenerator`	`NAK_UNICAST_DELAY_GENERATOR` Unicast NAK delay is immediate initial with delayed subsequent delay.
`static long`	`PENDING_SETUPS_TIMEOUT_NS` Timeout on cleaning up pending SETUP state on subscriber.
`static boolean`	`PERFORM_STORAGE_CHECKS` Should storage checks should be performed when allocating files.
`static java.lang.String`	`PERFORM_STORAGE_CHECKS_PROP_NAME` Property name for boolean value for if storage checks should be performed when allocating files.
`static long`	`PUBLICATION_CONNECTION_TIMEOUT_DEFAULT_NS` Timeout for `Publication` connection timeout in nanoseconds
`static long`	`PUBLICATION_CONNECTION_TIMEOUT_NS` Publication timeout for when to indicate no connection from lack of status messages.
`static java.lang.String`	`PUBLICATION_CONNECTION_TIMEOUT_PROP_NAME` Property name for `Publication` connection timeout.
`static long`	`PUBLICATION_HEARTBEAT_TIMEOUT_NS` Timeout between heartbeats for publications.
`static long`	`PUBLICATION_LINGER_DEFAULT_NS` Default time for `Publication`s to linger before cleanup in nanoseconds.
`static long`	`PUBLICATION_LINGER_NS` Time for `Publication`s to linger before cleanup in nanoseconds.
`static java.lang.String`	`PUBLICATION_LINGER_PROP_NAME` Property name for linger timeout after draining on `Publication`s.
`static int`	`PUBLICATION_RESERVED_SESSION_ID_HIGH` High end of the publication reserved session id range which will not be automatically assigned.
`static int`	`PUBLICATION_RESERVED_SESSION_ID_HIGH_DEFAULT` High end of the publication reserved session id range which will not be automatically assigned.
`static java.lang.String`	`PUBLICATION_RESERVED_SESSION_ID_HIGH_PROP_NAME` Property name for high end of the publication reserved session id range which will not be automatically assigned.
`static int`	`PUBLICATION_RESERVED_SESSION_ID_LOW` Low end of the publication reserved session id range which will not be automatically assigned.
`static int`	`PUBLICATION_RESERVED_SESSION_ID_LOW_DEFAULT` Low end of the publication reserved session id range which will not be automatically assigned.
`static java.lang.String`	`PUBLICATION_RESERVED_SESSION_ID_LOW_PROP_NAME` Property name for low end of the publication reserved session id range which will not be automatically assigned.
`static long`	`PUBLICATION_SETUP_TIMEOUT_NS` Timeout between SETUP frames for publications during initial setup phase.
`static int`	`PUBLICATION_TERM_WINDOW_LENGTH` Publication term window length for flow control in bytes.
`static java.lang.String`	`PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME` Property name for window limit on `Publication` side.
`static long`	`PUBLICATION_UNBLOCK_TIMEOUT_DEFAULT_NS` Timeout for `Publication` unblock in nanoseconds.
`static long`	`PUBLICATION_UNBLOCK_TIMEOUT_NS` Publication timeout for when to unblock a partially written message.
`static java.lang.String`	`PUBLICATION_UNBLOCK_TIMEOUT_PROP_NAME` Property name for `Publication` unblock timeout.
`static java.lang.String`	`RECEIVE_CHANNEL_ENDPOINT_SUPPLIER` `ReceiveChannelEndpointSupplier` to provide endpoint extension behaviour.
`static java.lang.String`	`RECEIVE_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME` Property name for `ReceiveChannelEndpointSupplier`.
`static java.lang.String`	`RECEIVER_IDLE_STRATEGY` `IdleStrategy` to be employed by `Receiver` for `ThreadingMode.DEDICATED`.
`static java.lang.String`	`RECEIVER_IDLE_STRATEGY_PROP_NAME` Property name for `IdleStrategy` to be employed by `Receiver` for `ThreadingMode.DEDICATED`.
`static long`	`RETRANSMIT_UNICAST_DELAY_DEFAULT_NS` Default delay before retransmission of data for unicast in nanoseconds.
`static FeedbackDelayGenerator`	`RETRANSMIT_UNICAST_DELAY_GENERATOR` Source uses same for unicast and multicast.
`static long`	`RETRANSMIT_UNICAST_LINGER_DEFAULT_NS` Default delay for linger for unicast in nanoseconds.
`static FeedbackDelayGenerator`	`RETRANSMIT_UNICAST_LINGER_GENERATOR` Delay for linger for unicast.
`static java.lang.String`	`SEND_CHANNEL_ENDPOINT_SUPPLIER` `SendChannelEndpointSupplier` to provide endpoint extension behaviour.
`static java.lang.String`	`SEND_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME` Property name for `SendChannelEndpointSupplier`.
`static int`	`SEND_TO_STATUS_POLL_RATIO_DEFAULT` The ratio for sending data to polling status messages in the Sender.
`static java.lang.String`	`SEND_TO_STATUS_POLL_RATIO_PROP_NAME` Property name for ratio of sending data to polling status messages in the Sender.
`static java.lang.String`	`SENDER_IDLE_STRATEGY` `IdleStrategy` to be employed by `Sender` for `ThreadingMode.DEDICATED`.
`static java.lang.String`	`SENDER_IDLE_STRATEGY_PROP_NAME` Property name for `IdleStrategy` to be employed by `Sender` for `ThreadingMode.DEDICATED`.
`static java.lang.String`	`SHARED_IDLE_STRATEGY` `IdleStrategy` to be employed by `Sender`, `Receiver`, and `DriverConductor` for `ThreadingMode.SHARED`.
`static java.lang.String`	`SHARED_IDLE_STRATEGY_PROP_NAME` Property name for `IdleStrategy` to be employed by `Sender`, `Receiver`, and `DriverConductor` for `ThreadingMode.SHARED`.
`static java.lang.String`	`SHARED_NETWORK_IDLE_STRATEGY` `IdleStrategy` to be employed by `Sender` and `Receiver` for `ThreadingMode.SHARED_NETWORK`.
`static java.lang.String`	`SHARED_NETWORK_IDLE_STRATEGY_PROP_NAME` Property name for `IdleStrategy` to be employed by `Sender` and `Receiver` for `ThreadingMode.SHARED_NETWORK`.
`static byte[]`	`SM_APPLICATION_SPECIFIC_FEEDBACK` Value to use for all Status Message Application Specific Feedback values from the driver for flow control.
`static java.lang.String`	`SM_APPLICATION_SPECIFIC_FEEDBACK_PROP_NAME` Property name for Application Specific Feedback added to Status Messages by the driver for flow control.
`static int`	`SOCKET_MULTICAST_TTL` Multicast TTL value.
`static int`	`SOCKET_MULTICAST_TTL_DEFAULT` Multicast TTL value, 0 means use OS default.
`static java.lang.String`	`SOCKET_MULTICAST_TTL_PROP_NAME` Property name for IP_MULTICAST_TTL setting on UDP sockets.
`static int`	`SOCKET_RCVBUF_LENGTH` SO_RCVBUF length, 0 means use OS default.
`static int`	`SOCKET_RCVBUF_LENGTH_DEFAULT` Default SO_RCVBUF length.
`static java.lang.String`	`SOCKET_RCVBUF_LENGTH_PROP_NAME` Property name for SO_RCVBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Produce (BDP).
`static int`	`SOCKET_SNDBUF_LENGTH` SO_SNDBUF length, 0 means use OS default.
`static int`	`SOCKET_SNDBUF_LENGTH_DEFAULT` Default SO_SNDBUF length.
`static java.lang.String`	`SOCKET_SNDBUF_LENGTH_PROP_NAME` Property name for SO_SNDBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Produce (BDP).
`static boolean`	`SPIES_SIMULATE_CONNECTION` Should a spy subscription simulate a connection to a network publication.
`static java.lang.String`	`SPIES_SIMULATE_CONNECTION_PROP_NAME` Property name for if spy subscriptions simulate a connection.
`static long`	`STATUS_MESSAGE_TIMEOUT_DEFAULT_NS` Max timeout between SMs.
`static java.lang.String`	`STATUS_MESSAGE_TIMEOUT_PROP_NAME` Property name for status message timeout in nanoseconds after which one will be sent.
`static int`	`TERM_BUFFER_IPC_LENGTH_DEFAULT` Default IPC term buffer length.
`static int`	`TERM_BUFFER_LENGTH_DEFAULT` Default term buffer length.
`static java.lang.String`	`TERM_BUFFER_LENGTH_PROP_NAME` Length (in bytes) of the log buffers for publication terms.
`static boolean`	`TERM_BUFFER_SPARSE_FILE` Should term buffers be created as sparse files.
`static java.lang.String`	`TERM_BUFFER_SPARSE_FILE_PROP_NAME` Property name for boolean value of term buffers should be created sparse.
`static ThreadingMode`	`THREADING_MODE_DEFAULT` `ThreadingMode` default used by the media driver unless overridden in context.
`static java.lang.String`	`THREADING_MODE_PROP_NAME` `ThreadingMode` to be used by the Aeron `MediaDriver`.
`static long`	`TIMER_INTERVAL_NS` How often to check liveness and cleanup timers in nanoseconds.
`static java.lang.String`	`TIMER_INTERVAL_PROP_NAME` Interval in between checks for timers and timeouts.
`static int`	`TO_CLIENTS_BUFFER_LENGTH` Length for broadcast buffers from the media driver and the clients.
`static int`	`TO_CLIENTS_BUFFER_LENGTH_DEFAULT` Default buffer length for broadcast buffers from the media driver and the clients.
`static java.lang.String`	`TO_CLIENTS_BUFFER_LENGTH_PROP_NAME` Length (in bytes) of the broadcast buffers from the media driver to the clients.
`static java.lang.String`	`UNICAST_FLOW_CONTROL_STRATEGY` `FlowControl` to be employed for unicast channels.
`static java.lang.String`	`UNICAST_FLOW_CONTROL_STRATEGY_PROP_NAME` Property name for `FlowControl` to be employed for unicast channels.
`static java.lang.String`	`UNICAST_FLOW_CONTROL_STRATEGY_SUPPLIER` `FlowControlSupplier` to be employed for unicast channels.
`static java.lang.String`	`UNICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME` Property name for `FlowControlSupplier` to be employed for unicast channels.
`static boolean`	`USE_WINDOWS_HIGH_RES_TIMER` Should high resolution timer be used on Windows.
`static java.lang.String`	`USE_WINDOWS_HIGH_RES_TIMER_PROP_NAME` Should high resolution timer be used on Windows.

Constructor Summary

Constructors
Constructor and Description

Configuration()

Constructors
Constructor and Description
`Configuration()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static org.agrona.concurrent.IdleStrategy`	`agentIdleStrategy(java.lang.String strategyName, org.agrona.concurrent.status.StatusIndicator controllableStatus)` Get the `IdleStrategy` that should be applied to `Agent`s.
`static int`	`ipcPublicationTermWindowLength(int termBufferLength)` How far ahead the publisher can get from the minimum subscriber position for IPC only.
`static int`	`ipcTermBufferLength(int termBufferLength)` How large the term buffer should be for IPC only.
`static int`	`publicationTermWindowLength(int termBufferLength)` How far ahead the publisher can get from the sender position.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - DIR_WARN_IF_EXISTS_PROP_NAME
```
public static final java.lang.String DIR_WARN_IF_EXISTS_PROP_NAME
```
    Warn if the Aeron directory exists.
    
    See Also:
    
    Constant Field Values
  - DIR_WARN_IF_EXISTS
```
public static final boolean DIR_WARN_IF_EXISTS
```
    Warn if the Aeron directory exists.
  - DIR_DELETE_ON_START_PROP_NAME
```
public static final java.lang.String DIR_DELETE_ON_START_PROP_NAME
```
    Should driver attempt to an immediate forced delete of CommonContext.AERON_DIR_PROP_NAME on start if it exists.
    
    See Also:
    
    Constant Field Values
  - DIR_DELETE_ON_START
```
public static final boolean DIR_DELETE_ON_START
```
    Should driver attempt to an immediate forced delete of CommonContext.AERON_DIR_PROP_NAME on start if it exists.
  - USE_WINDOWS_HIGH_RES_TIMER_PROP_NAME
```
public static final java.lang.String USE_WINDOWS_HIGH_RES_TIMER_PROP_NAME
```
    Should high resolution timer be used on Windows.
    
    See Also:
    
    Constant Field Values
  - USE_WINDOWS_HIGH_RES_TIMER
```
public static final boolean USE_WINDOWS_HIGH_RES_TIMER
```
    Should high resolution timer be used on Windows.
  - TERM_BUFFER_SPARSE_FILE_PROP_NAME
```
public static final java.lang.String TERM_BUFFER_SPARSE_FILE_PROP_NAME
```
    Property name for boolean value of term buffers should be created sparse.
    
    See Also:
    
    Constant Field Values
  - TERM_BUFFER_SPARSE_FILE
```
public static final boolean TERM_BUFFER_SPARSE_FILE
```
    Should term buffers be created as sparse files. Defaults to false.
    If a platform supports sparse files then log buffer creation is faster with pages being allocated as needed. This can help for large numbers of channels/streams but can result in latency pauses.
  - FILE_PAGE_SIZE_PROP_NAME
```
public static final java.lang.String FILE_PAGE_SIZE_PROP_NAME
```
    Property name for page size to align all files to.
    
    See Also:
    
    Constant Field Values
  - FILE_PAGE_SIZE_DEFAULT
```
public static final int FILE_PAGE_SIZE_DEFAULT
```
    Default page size for alignment of all files.
    
    See Also:
    
    Constant Field Values
  - FILE_PAGE_SIZE
```
public static final int FILE_PAGE_SIZE
```
    Page size for alignment of all files.
  - PERFORM_STORAGE_CHECKS_PROP_NAME
```
public static final java.lang.String PERFORM_STORAGE_CHECKS_PROP_NAME
```
    Property name for boolean value for if storage checks should be performed when allocating files.
    
    See Also:
    
    Constant Field Values
  - PERFORM_STORAGE_CHECKS
```
public static final boolean PERFORM_STORAGE_CHECKS
```
    Should storage checks should be performed when allocating files.
  - TERM_BUFFER_LENGTH_PROP_NAME
```
public static final java.lang.String TERM_BUFFER_LENGTH_PROP_NAME
```
    Length (in bytes) of the log buffers for publication terms.
    
    See Also:
    
    Constant Field Values
  - TERM_BUFFER_LENGTH_DEFAULT
```
public static final int TERM_BUFFER_LENGTH_DEFAULT
```
    Default term buffer length.
    
    See Also:
    
    Constant Field Values
  - IPC_TERM_BUFFER_LENGTH_PROP_NAME
```
public static final java.lang.String IPC_TERM_BUFFER_LENGTH_PROP_NAME
```
    Property name for term buffer length (in bytes) for IPC buffers.
    
    See Also:
    
    Constant Field Values
  - TERM_BUFFER_IPC_LENGTH_DEFAULT
```
public static final int TERM_BUFFER_IPC_LENGTH_DEFAULT
```
    Default IPC term buffer length.
    
    See Also:
    
    Constant Field Values
  - IPC_TERM_BUFFER_LENGTH
```
public static final int IPC_TERM_BUFFER_LENGTH
```
    IPC Term buffer length in bytes.
  - LOW_FILE_STORE_WARNING_THRESHOLD_PROP_NAME
```
public static final java.lang.String LOW_FILE_STORE_WARNING_THRESHOLD_PROP_NAME
```
    Property name low file storage warning threshold.
    
    See Also:
    
    Constant Field Values
  - LOW_FILE_STORE_WARNING_THRESHOLD_DEFAULT
```
public static final long LOW_FILE_STORE_WARNING_THRESHOLD_DEFAULT
```
    Default value for low file storage warning threshold.
    
    See Also:
    
    Constant Field Values
  - LOW_FILE_STORE_WARNING_THRESHOLD
```
public static final long LOW_FILE_STORE_WARNING_THRESHOLD
```
    Default value for low file storage warning threshold.
  - CONDUCTOR_BUFFER_LENGTH_PROP_NAME
```
public static final java.lang.String CONDUCTOR_BUFFER_LENGTH_PROP_NAME
```
    Length (in bytes) of the conductor buffer for control commands from the clients to the media driver conductor.
    
    See Also:
    
    Constant Field Values
  - CONDUCTOR_BUFFER_LENGTH_DEFAULT
```
public static final int CONDUCTOR_BUFFER_LENGTH_DEFAULT
```
    Default buffer length for conductor buffers between the client and the media driver conductor.
  - CONDUCTOR_BUFFER_LENGTH
```
public static final int CONDUCTOR_BUFFER_LENGTH
```
    Conductor buffer length in bytes.
  - TO_CLIENTS_BUFFER_LENGTH_PROP_NAME
```
public static final java.lang.String TO_CLIENTS_BUFFER_LENGTH_PROP_NAME
```
    Length (in bytes) of the broadcast buffers from the media driver to the clients.
    
    See Also:
    
    Constant Field Values
  - TO_CLIENTS_BUFFER_LENGTH_DEFAULT
```
public static final int TO_CLIENTS_BUFFER_LENGTH_DEFAULT
```
    Default buffer length for broadcast buffers from the media driver and the clients.
  - TO_CLIENTS_BUFFER_LENGTH
```
public static final int TO_CLIENTS_BUFFER_LENGTH
```
    Length for broadcast buffers from the media driver and the clients.
  - COUNTERS_VALUES_BUFFER_LENGTH_PROP_NAME
```
public static final java.lang.String COUNTERS_VALUES_BUFFER_LENGTH_PROP_NAME
```
    Property name for length of the error buffer for the system counters.
    
    See Also:
    
    Constant Field Values
  - COUNTERS_VALUES_BUFFER_LENGTH_DEFAULT
```
public static final int COUNTERS_VALUES_BUFFER_LENGTH_DEFAULT
```
    Default length of the memory mapped buffers for the system counters file.
    
    See Also:
    
    Constant Field Values
  - COUNTERS_VALUES_BUFFER_LENGTH
```
public static final int COUNTERS_VALUES_BUFFER_LENGTH
```
    Length of the memory mapped buffers for the system counters file.
  - COUNTERS_METADATA_BUFFER_LENGTH
```
public static final int COUNTERS_METADATA_BUFFER_LENGTH
```
  - ERROR_BUFFER_LENGTH_PROP_NAME
```
public static final java.lang.String ERROR_BUFFER_LENGTH_PROP_NAME
```
    Property name for length of the memory mapped buffer for the distinct error log.
    
    See Also:
    
    Constant Field Values
  - ERROR_BUFFER_LENGTH_DEFAULT
```
public static final int ERROR_BUFFER_LENGTH_DEFAULT
```
    Default buffer length for the error buffer for the media driver.
    
    See Also:
    
    Constant Field Values
  - ERROR_BUFFER_LENGTH
```
public static final int ERROR_BUFFER_LENGTH
```
    Buffer length for the error buffer for the media driver.
  - LOSS_REPORT_BUFFER_LENGTH_PROP_NAME
```
public static final java.lang.String LOSS_REPORT_BUFFER_LENGTH_PROP_NAME
```
    Property name for length of the memory mapped buffer for the loss report buffer.
    
    See Also:
    
    Constant Field Values
  - LOSS_REPORT_BUFFER_LENGTH_DEFAULT
```
public static final int LOSS_REPORT_BUFFER_LENGTH_DEFAULT
```
    Default buffer length for the loss report buffer.
    
    See Also:
    
    Constant Field Values
  - LOSS_REPORT_BUFFER_LENGTH
```
public static final int LOSS_REPORT_BUFFER_LENGTH
```
    Buffer length for the loss report buffer for the media driver.
  - INITIAL_WINDOW_LENGTH_PROP_NAME
```
public static final java.lang.String INITIAL_WINDOW_LENGTH_PROP_NAME
```
    Property name for length of the initial window which must be sufficient for Bandwidth Delay Produce (BDP).
    
    See Also:
    
    Constant Field Values
  - INITIAL_WINDOW_LENGTH_DEFAULT
```
public static final int INITIAL_WINDOW_LENGTH_DEFAULT
```
    Default initial window length for flow control sender to receiver purposes.
    Length of Initial Window:
    RTT (LAN) = 100 usec Throughput = 10 Gbps
    Buffer = Throughput * RTT Buffer = (10 * 1000 * 1000 * 1000 / 8) * 0.0001 = 125000 Round to 128KB
    
    See Also:
    
    Constant Field Values
  - STATUS_MESSAGE_TIMEOUT_PROP_NAME
```
public static final java.lang.String STATUS_MESSAGE_TIMEOUT_PROP_NAME
```
    Property name for status message timeout in nanoseconds after which one will be sent.
    
    See Also:
    
    Constant Field Values
  - STATUS_MESSAGE_TIMEOUT_DEFAULT_NS
```
public static final long STATUS_MESSAGE_TIMEOUT_DEFAULT_NS
```
    Max timeout between SMs.
  - SEND_TO_STATUS_POLL_RATIO_PROP_NAME
```
public static final java.lang.String SEND_TO_STATUS_POLL_RATIO_PROP_NAME
```
    Property name for ratio of sending data to polling status messages in the Sender.
    
    See Also:
    
    Constant Field Values
  - SEND_TO_STATUS_POLL_RATIO_DEFAULT
```
public static final int SEND_TO_STATUS_POLL_RATIO_DEFAULT
```
    The ratio for sending data to polling status messages in the Sender.
    
    See Also:
    
    Constant Field Values
  - SOCKET_RCVBUF_LENGTH_PROP_NAME
```
public static final java.lang.String SOCKET_RCVBUF_LENGTH_PROP_NAME
```
    Property name for SO_RCVBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Produce (BDP).
    
    See Also:
    
    Constant Field Values
  - SOCKET_RCVBUF_LENGTH_DEFAULT
```
public static final int SOCKET_RCVBUF_LENGTH_DEFAULT
```
    Default SO_RCVBUF length.
    
    See Also:
    
    Constant Field Values
  - SOCKET_RCVBUF_LENGTH
```
public static final int SOCKET_RCVBUF_LENGTH
```
    SO_RCVBUF length, 0 means use OS default.
  - SOCKET_SNDBUF_LENGTH_PROP_NAME
```
public static final java.lang.String SOCKET_SNDBUF_LENGTH_PROP_NAME
```
    Property name for SO_SNDBUF setting on UDP sockets which must be sufficient for Bandwidth Delay Produce (BDP).
    
    See Also:
    
    Constant Field Values
  - SOCKET_SNDBUF_LENGTH_DEFAULT
```
public static final int SOCKET_SNDBUF_LENGTH_DEFAULT
```
    Default SO_SNDBUF length.
    
    See Also:
    
    Constant Field Values
  - SOCKET_SNDBUF_LENGTH
```
public static final int SOCKET_SNDBUF_LENGTH
```
    SO_SNDBUF length, 0 means use OS default.
  - SOCKET_MULTICAST_TTL_PROP_NAME
```
public static final java.lang.String SOCKET_MULTICAST_TTL_PROP_NAME
```
    Property name for IP_MULTICAST_TTL setting on UDP sockets.
    
    See Also:
    
    Constant Field Values
  - SOCKET_MULTICAST_TTL_DEFAULT
```
public static final int SOCKET_MULTICAST_TTL_DEFAULT
```
    Multicast TTL value, 0 means use OS default.
    
    See Also:
    
    Constant Field Values
  - SOCKET_MULTICAST_TTL
```
public static final int SOCKET_MULTICAST_TTL
```
    Multicast TTL value.
  - PUBLICATION_LINGER_PROP_NAME
```
public static final java.lang.String PUBLICATION_LINGER_PROP_NAME
```
    Property name for linger timeout after draining on Publications.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_LINGER_DEFAULT_NS
```
public static final long PUBLICATION_LINGER_DEFAULT_NS
```
    Default time for Publications to linger before cleanup in nanoseconds.
  - PUBLICATION_LINGER_NS
```
public static final long PUBLICATION_LINGER_NS
```
    Time for Publications to linger before cleanup in nanoseconds. This is the time a publication will wait around after draining to the network so that tail loss can be recovered.
  - CLIENT_LIVENESS_TIMEOUT_PROP_NAME
```
public static final java.lang.String CLIENT_LIVENESS_TIMEOUT_PROP_NAME
```
    Property name for Aeron client liveness timeout.
    
    See Also:
    
    Constant Field Values
  - CLIENT_LIVENESS_TIMEOUT_DEFAULT_NS
```
public static final long CLIENT_LIVENESS_TIMEOUT_DEFAULT_NS
```
    Default timeout for client liveness in nanoseconds.
  - CLIENT_LIVENESS_TIMEOUT_NS
```
public static final long CLIENT_LIVENESS_TIMEOUT_NS
```
    Timeout for client liveness in nanoseconds.
  - IMAGE_LIVENESS_TIMEOUT_PROP_NAME
```
public static final java.lang.String IMAGE_LIVENESS_TIMEOUT_PROP_NAME
```
    Property name for Image liveness timeout.
    
    See Also:
    
    Constant Field Values
  - IMAGE_LIVENESS_TIMEOUT_DEFAULT_NS
```
public static final long IMAGE_LIVENESS_TIMEOUT_DEFAULT_NS
```
    Default timeout for Image liveness in nanoseconds.
  - IMAGE_LIVENESS_TIMEOUT_NS
```
public static final long IMAGE_LIVENESS_TIMEOUT_NS
```
    Timeout for Image liveness in nanoseconds.
  - PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME
```
public static final java.lang.String PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME
```
    Property name for window limit on Publication side.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_TERM_WINDOW_LENGTH
```
public static final int PUBLICATION_TERM_WINDOW_LENGTH
```
    Publication term window length for flow control in bytes.
  - IPC_PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME
```
public static final java.lang.String IPC_PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME
```
    Property name for window limit for IPC publications.
    
    See Also:
    
    Constant Field Values
  - IPC_PUBLICATION_TERM_WINDOW_LENGTH
```
public static final int IPC_PUBLICATION_TERM_WINDOW_LENGTH
```
    IPC Publication term window length for flow control in bytes.
  - PUBLICATION_UNBLOCK_TIMEOUT_PROP_NAME
```
public static final java.lang.String PUBLICATION_UNBLOCK_TIMEOUT_PROP_NAME
```
    Property name for Publication unblock timeout.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_UNBLOCK_TIMEOUT_DEFAULT_NS
```
public static final long PUBLICATION_UNBLOCK_TIMEOUT_DEFAULT_NS
```
    Timeout for Publication unblock in nanoseconds.
  - PUBLICATION_UNBLOCK_TIMEOUT_NS
```
public static final long PUBLICATION_UNBLOCK_TIMEOUT_NS
```
    Publication timeout for when to unblock a partially written message.
  - PUBLICATION_CONNECTION_TIMEOUT_PROP_NAME
```
public static final java.lang.String PUBLICATION_CONNECTION_TIMEOUT_PROP_NAME
```
    Property name for Publication connection timeout.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_CONNECTION_TIMEOUT_DEFAULT_NS
```
public static final long PUBLICATION_CONNECTION_TIMEOUT_DEFAULT_NS
```
    Timeout for Publication connection timeout in nanoseconds
  - PUBLICATION_CONNECTION_TIMEOUT_NS
```
public static final long PUBLICATION_CONNECTION_TIMEOUT_NS
```
    Publication timeout for when to indicate no connection from lack of status messages.
  - SPIES_SIMULATE_CONNECTION_PROP_NAME
```
public static final java.lang.String SPIES_SIMULATE_CONNECTION_PROP_NAME
```
    Property name for if spy subscriptions simulate a connection.
    
    See Also:
    
    Constant Field Values
  - SPIES_SIMULATE_CONNECTION
```
public static final boolean SPIES_SIMULATE_CONNECTION
```
    Should a spy subscription simulate a connection to a network publication.
  - IDLE_MAX_SPINS
```
public static final long IDLE_MAX_SPINS
```
    Spin on no activity before backing off to yielding.
    
    See Also:
    
    Constant Field Values
  - IDLE_MAX_YIELDS
```
public static final long IDLE_MAX_YIELDS
```
    Yield the thread so others can run before backing off to parking.
    
    See Also:
    
    Constant Field Values
  - IDLE_MIN_PARK_NS
```
public static final long IDLE_MIN_PARK_NS
```
    Park for the minimum period of time which is typically 50-55 microseconds on 64-bit non-virtualised Linux. You will typically get 50-55 microseconds plus the number of nanoseconds requested if a core is available. On Windows expect to wait for at least 16ms or 1ms if the high-res timers are enabled.
    
    See Also:
    
    Constant Field Values
  - IDLE_MAX_PARK_NS
```
public static final long IDLE_MAX_PARK_NS
```
    Maximum back-off park time which doubles on each interval stepping up from the min park idle.
  - SENDER_IDLE_STRATEGY_PROP_NAME
```
public static final java.lang.String SENDER_IDLE_STRATEGY_PROP_NAME
```
    Property name for IdleStrategy to be employed by Sender for ThreadingMode.DEDICATED.
    
    See Also:
    
    Constant Field Values
  - SENDER_IDLE_STRATEGY
```
public static final java.lang.String SENDER_IDLE_STRATEGY
```
    IdleStrategy to be employed by Sender for ThreadingMode.DEDICATED.
  - CONDUCTOR_IDLE_STRATEGY_PROP_NAME
```
public static final java.lang.String CONDUCTOR_IDLE_STRATEGY_PROP_NAME
```
    Property name for IdleStrategy to be employed by DriverConductor for ThreadingMode.DEDICATED and ThreadingMode.SHARED_NETWORK.
    
    See Also:
    
    Constant Field Values
  - CONDUCTOR_IDLE_STRATEGY
```
public static final java.lang.String CONDUCTOR_IDLE_STRATEGY
```
    IdleStrategy to be employed by DriverConductor for ThreadingMode.DEDICATED and ThreadingMode.SHARED_NETWORK.
  - RECEIVER_IDLE_STRATEGY_PROP_NAME
```
public static final java.lang.String RECEIVER_IDLE_STRATEGY_PROP_NAME
```
    Property name for IdleStrategy to be employed by Receiver for ThreadingMode.DEDICATED.
    
    See Also:
    
    Constant Field Values
  - RECEIVER_IDLE_STRATEGY
```
public static final java.lang.String RECEIVER_IDLE_STRATEGY
```
    IdleStrategy to be employed by Receiver for ThreadingMode.DEDICATED.
  - SHARED_NETWORK_IDLE_STRATEGY_PROP_NAME
```
public static final java.lang.String SHARED_NETWORK_IDLE_STRATEGY_PROP_NAME
```
    Property name for IdleStrategy to be employed by Sender and Receiver for ThreadingMode.SHARED_NETWORK.
    
    See Also:
    
    Constant Field Values
  - SHARED_NETWORK_IDLE_STRATEGY
```
public static final java.lang.String SHARED_NETWORK_IDLE_STRATEGY
```
    IdleStrategy to be employed by Sender and Receiver for ThreadingMode.SHARED_NETWORK.
  - SHARED_IDLE_STRATEGY_PROP_NAME
```
public static final java.lang.String SHARED_IDLE_STRATEGY_PROP_NAME
```
    Property name for IdleStrategy to be employed by Sender, Receiver, and DriverConductor for ThreadingMode.SHARED.
    
    See Also:
    
    Constant Field Values
  - SHARED_IDLE_STRATEGY
```
public static final java.lang.String SHARED_IDLE_STRATEGY
```
    IdleStrategy to be employed by Sender, Receiver, and DriverConductor for ThreadingMode.SHARED.
  - UNICAST_FLOW_CONTROL_STRATEGY_PROP_NAME
```
public static final java.lang.String UNICAST_FLOW_CONTROL_STRATEGY_PROP_NAME
```
    Property name for FlowControl to be employed for unicast channels.
    
    See Also:
    
    Constant Field Values
  - UNICAST_FLOW_CONTROL_STRATEGY
```
public static final java.lang.String UNICAST_FLOW_CONTROL_STRATEGY
```
    FlowControl to be employed for unicast channels.
  - MULTICAST_FLOW_CONTROL_STRATEGY_PROP_NAME
```
public static final java.lang.String MULTICAST_FLOW_CONTROL_STRATEGY_PROP_NAME
```
    Property name for FlowControl to be employed for multicast channels.
    
    See Also:
    
    Constant Field Values
  - MULTICAST_FLOW_CONTROL_STRATEGY
```
public static final java.lang.String MULTICAST_FLOW_CONTROL_STRATEGY
```
    FlowControl to be employed for multicast channels.
  - UNICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
public static final java.lang.String UNICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
    Property name for FlowControlSupplier to be employed for unicast channels.
    
    See Also:
    
    Constant Field Values
  - UNICAST_FLOW_CONTROL_STRATEGY_SUPPLIER
```
public static final java.lang.String UNICAST_FLOW_CONTROL_STRATEGY_SUPPLIER
```
    FlowControlSupplier to be employed for unicast channels.
  - MULTICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
public static final java.lang.String MULTICAST_FLOW_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
    Property name for FlowControlSupplier to be employed for unicast channels.
    
    See Also:
    
    Constant Field Values
  - MULTICAST_FLOW_CONTROL_STRATEGY_SUPPLIER
```
public static final java.lang.String MULTICAST_FLOW_CONTROL_STRATEGY_SUPPLIER
```
    FlowControlSupplier to be employed for multicast channels.
  - MAX_UDP_PAYLOAD_LENGTH
```
public static final int MAX_UDP_PAYLOAD_LENGTH
```
    Maximum UDP datagram payload size for IPv4. Jumbo datagrams from IPv6 are not supported.
    Max length is 65,507 bytes as 65,535 minus 8 byte UDP header then minus 20 byte IP header. Then round down to nearest multiple of FrameDescriptor.FRAME_ALIGNMENT to give 65,504.
    
    See Also:
    
    Constant Field Values
  - MTU_LENGTH_PROP_NAME
```
public static final java.lang.String MTU_LENGTH_PROP_NAME
```
    Length of the maximum transmission unit of the media driver's protocol. If this is greater than the network MTU for UDP then the packet will be fragmented and can amplify the impact of loss.
    
    See Also:
    
    Constant Field Values
  - MTU_LENGTH_DEFAULT
```
public static final int MTU_LENGTH_DEFAULT
```
    The default is conservative to avoid fragmentation on IPv4 or IPv6 over Ethernet with PPPoE header, or for clouds such as Google, Oracle, and AWS.
    On networks that suffer little congestion then a larger value can be used to reduce syscall costs.
    
    See Also:
    
    Constant Field Values
  - MTU_LENGTH
```
public static final int MTU_LENGTH
```
    Length of the MTU to use for sending messages.
  - IPC_MTU_LENGTH_PROP_NAME
```
public static final java.lang.String IPC_MTU_LENGTH_PROP_NAME
```
    Length of the maximum transmission unit of the media driver's protocol for IPC.
    
    See Also:
    
    Constant Field Values
  - IPC_MTU_LENGTH
```
public static final int IPC_MTU_LENGTH
```
    Length of the MTU to use for sending messages via IPC
  - THREADING_MODE_PROP_NAME
```
public static final java.lang.String THREADING_MODE_PROP_NAME
```
    ThreadingMode to be used by the Aeron MediaDriver.
    
    See Also:
    
    Constant Field Values
  - THREADING_MODE_DEFAULT
```
public static final ThreadingMode THREADING_MODE_DEFAULT
```
    ThreadingMode default used by the media driver unless overridden in context.
  - TIMER_INTERVAL_PROP_NAME
```
public static final java.lang.String TIMER_INTERVAL_PROP_NAME
```
    Interval in between checks for timers and timeouts.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_TIMER_INTERVAL_NS
```
public static final long DEFAULT_TIMER_INTERVAL_NS
```
    Default interval in between checks for timers and timeouts.
  - TIMER_INTERVAL_NS
```
public static final long TIMER_INTERVAL_NS
```
    How often to check liveness and cleanup timers in nanoseconds.
  - COUNTER_FREE_TO_REUSE_TIMEOUT_PROP_NAME
```
public static final java.lang.String COUNTER_FREE_TO_REUSE_TIMEOUT_PROP_NAME
```
    Timeout between a counter being freed and being reused.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_COUNTER_FREE_TO_REUSE_TIMEOUT_NS
```
public static final long DEFAULT_COUNTER_FREE_TO_REUSE_TIMEOUT_NS
```
    Timeout between a counter being freed and being reused
  - SEND_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME
```
public static final java.lang.String SEND_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME
```
    Property name for SendChannelEndpointSupplier.
    
    See Also:
    
    Constant Field Values
  - SEND_CHANNEL_ENDPOINT_SUPPLIER
```
public static final java.lang.String SEND_CHANNEL_ENDPOINT_SUPPLIER
```
    SendChannelEndpointSupplier to provide endpoint extension behaviour.
  - RECEIVE_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME
```
public static final java.lang.String RECEIVE_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME
```
    Property name for ReceiveChannelEndpointSupplier.
    
    See Also:
    
    Constant Field Values
  - RECEIVE_CHANNEL_ENDPOINT_SUPPLIER
```
public static final java.lang.String RECEIVE_CHANNEL_ENDPOINT_SUPPLIER
```
    ReceiveChannelEndpointSupplier to provide endpoint extension behaviour.
  - SM_APPLICATION_SPECIFIC_FEEDBACK_PROP_NAME
```
public static final java.lang.String SM_APPLICATION_SPECIFIC_FEEDBACK_PROP_NAME
```
    Property name for Application Specific Feedback added to Status Messages by the driver for flow control.
    
    See Also:
    
    Constant Field Values
  - SM_APPLICATION_SPECIFIC_FEEDBACK
```
public static final byte[] SM_APPLICATION_SPECIFIC_FEEDBACK
```
    Value to use for all Status Message Application Specific Feedback values from the driver for flow control.
  - CONGESTION_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
public static final java.lang.String CONGESTION_CONTROL_STRATEGY_SUPPLIER_PROP_NAME
```
    Property name for CongestionControlSupplier to be employed for receivers.
    
    See Also:
    
    Constant Field Values
  - CONGESTION_CONTROL_STRATEGY_SUPPLIER
```
public static final java.lang.String CONGESTION_CONTROL_STRATEGY_SUPPLIER
```
    CongestionControlSupplier to be employed for receivers.
  - PUBLICATION_RESERVED_SESSION_ID_LOW_PROP_NAME
```
public static final java.lang.String PUBLICATION_RESERVED_SESSION_ID_LOW_PROP_NAME
```
    Property name for low end of the publication reserved session id range which will not be automatically assigned.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_RESERVED_SESSION_ID_LOW_DEFAULT
```
public static final int PUBLICATION_RESERVED_SESSION_ID_LOW_DEFAULT
```
    Low end of the publication reserved session id range which will not be automatically assigned.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_RESERVED_SESSION_ID_LOW
```
public static final int PUBLICATION_RESERVED_SESSION_ID_LOW
```
    Low end of the publication reserved session id range which will not be automatically assigned.
  - PUBLICATION_RESERVED_SESSION_ID_HIGH_PROP_NAME
```
public static final java.lang.String PUBLICATION_RESERVED_SESSION_ID_HIGH_PROP_NAME
```
    Property name for high end of the publication reserved session id range which will not be automatically assigned.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_RESERVED_SESSION_ID_HIGH_DEFAULT
```
public static final int PUBLICATION_RESERVED_SESSION_ID_HIGH_DEFAULT
```
    High end of the publication reserved session id range which will not be automatically assigned.
    
    See Also:
    
    Constant Field Values
  - PUBLICATION_RESERVED_SESSION_ID_HIGH
```
public static final int PUBLICATION_RESERVED_SESSION_ID_HIGH
```
    High end of the publication reserved session id range which will not be automatically assigned.
  - COMMAND_DRAIN_LIMIT
```
public static final int COMMAND_DRAIN_LIMIT
```
    Limit for the number of commands drained in one operation.
    
    See Also:
    
    Constant Field Values
  - CMD_QUEUE_CAPACITY
```
public static final int CMD_QUEUE_CAPACITY
```
    Capacity for the command queues used between driver agents.
    
    See Also:
    
    Constant Field Values
  - PENDING_SETUPS_TIMEOUT_NS
```
public static final long PENDING_SETUPS_TIMEOUT_NS
```
    Timeout on cleaning up pending SETUP state on subscriber.
  - PUBLICATION_SETUP_TIMEOUT_NS
```
public static final long PUBLICATION_SETUP_TIMEOUT_NS
```
    Timeout between SETUP frames for publications during initial setup phase.
  - PUBLICATION_HEARTBEAT_TIMEOUT_NS
```
public static final long PUBLICATION_HEARTBEAT_TIMEOUT_NS
```
    Timeout between heartbeats for publications.
  - NAK_GROUPSIZE_DEFAULT
```
public static final int NAK_GROUPSIZE_DEFAULT
```
    Default group size estimate for NAK delay randomisation.
    
    See Also:
    
    Constant Field Values
  - NAK_GRTT_DEFAULT
```
public static final int NAK_GRTT_DEFAULT
```
    Default group RTT estimate for NAK delay randomization in milliseconds.
    
    See Also:
    
    Constant Field Values
  - NAK_MAX_BACKOFF_DEFAULT
```
public static final long NAK_MAX_BACKOFF_DEFAULT
```
    Default max backoff for NAK delay randomisation in milliseconds.
  - NAK_MULTICAST_DELAY_GENERATOR
```
public static final OptimalMulticastDelayGenerator NAK_MULTICAST_DELAY_GENERATOR
```
    Multicast NAK delay is immediate initial with delayed subsequent delay.
  - NAK_UNICAST_DELAY_DEFAULT_NS
```
public static final long NAK_UNICAST_DELAY_DEFAULT_NS
```
    Default Unicast NAK delay in nanoseconds.
  - NAK_UNICAST_DELAY_GENERATOR
```
public static final StaticDelayGenerator NAK_UNICAST_DELAY_GENERATOR
```
    Unicast NAK delay is immediate initial with delayed subsequent delay.
  - RETRANSMIT_UNICAST_DELAY_DEFAULT_NS
```
public static final long RETRANSMIT_UNICAST_DELAY_DEFAULT_NS
```
    Default delay before retransmission of data for unicast in nanoseconds.
  - RETRANSMIT_UNICAST_DELAY_GENERATOR
```
public static final FeedbackDelayGenerator RETRANSMIT_UNICAST_DELAY_GENERATOR
```
    Source uses same for unicast and multicast. For ticks.
  - RETRANSMIT_UNICAST_LINGER_DEFAULT_NS
```
public static final long RETRANSMIT_UNICAST_LINGER_DEFAULT_NS
```
    Default delay for linger for unicast in nanoseconds.
  - RETRANSMIT_UNICAST_LINGER_GENERATOR
```
public static final FeedbackDelayGenerator RETRANSMIT_UNICAST_LINGER_GENERATOR
```
    Delay for linger for unicast.
  - MAX_RETRANSMITS_DEFAULT
```
public static final int MAX_RETRANSMITS_DEFAULT
```
    Default max number of active retransmissions per connected stream.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Configuration
```
public Configuration()
```
- Method Detail
  - publicationTermWindowLength
```
public static int publicationTermWindowLength(int termBufferLength)
```
    How far ahead the publisher can get from the sender position.
    
    Parameters:
    
    termBufferLength - to be used when PUBLICATION_TERM_WINDOW_LENGTH is not set.
    
    Returns:
    
    the length to be used for the publication window.
  - ipcPublicationTermWindowLength
```
public static int ipcPublicationTermWindowLength(int termBufferLength)
```
    How far ahead the publisher can get from the minimum subscriber position for IPC only.
    
    Parameters:
    
    termBufferLength - to be used when IPC_PUBLICATION_TERM_WINDOW_LENGTH is not set.
    
    Returns:
    
    the length to be used for the publication window.
  - ipcTermBufferLength
```
public static int ipcTermBufferLength(int termBufferLength)
```
    How large the term buffer should be for IPC only.
    
    Parameters:
    
    termBufferLength - to be used when IPC_TERM_BUFFER_LENGTH is not set.
    
    Returns:
    
    the length to be used for the term buffer in bytes
  - agentIdleStrategy
```
public static org.agrona.concurrent.IdleStrategy agentIdleStrategy(java.lang.String strategyName,
                                                                   org.agrona.concurrent.status.StatusIndicator controllableStatus)
```
    Get the IdleStrategy that should be applied to Agents.
    
    Parameters:
    
    strategyName - of the class to be created.
    
    controllableStatus - status indicator for what the strategy should do.
    
    Returns:
    
    the newly created IdleStrategy.

Class Configuration

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DIR_WARN_IF_EXISTS_PROP_NAME

DIR_WARN_IF_EXISTS

DIR_DELETE_ON_START_PROP_NAME

DIR_DELETE_ON_START

USE_WINDOWS_HIGH_RES_TIMER_PROP_NAME

USE_WINDOWS_HIGH_RES_TIMER

TERM_BUFFER_SPARSE_FILE_PROP_NAME

TERM_BUFFER_SPARSE_FILE

FILE_PAGE_SIZE_PROP_NAME

FILE_PAGE_SIZE_DEFAULT

FILE_PAGE_SIZE

PERFORM_STORAGE_CHECKS_PROP_NAME

PERFORM_STORAGE_CHECKS

TERM_BUFFER_LENGTH_PROP_NAME

TERM_BUFFER_LENGTH_DEFAULT

IPC_TERM_BUFFER_LENGTH_PROP_NAME

TERM_BUFFER_IPC_LENGTH_DEFAULT

IPC_TERM_BUFFER_LENGTH

LOW_FILE_STORE_WARNING_THRESHOLD_PROP_NAME

LOW_FILE_STORE_WARNING_THRESHOLD_DEFAULT

LOW_FILE_STORE_WARNING_THRESHOLD

CONDUCTOR_BUFFER_LENGTH_PROP_NAME

CONDUCTOR_BUFFER_LENGTH_DEFAULT

CONDUCTOR_BUFFER_LENGTH

TO_CLIENTS_BUFFER_LENGTH_PROP_NAME

TO_CLIENTS_BUFFER_LENGTH_DEFAULT

TO_CLIENTS_BUFFER_LENGTH

COUNTERS_VALUES_BUFFER_LENGTH_PROP_NAME

COUNTERS_VALUES_BUFFER_LENGTH_DEFAULT

COUNTERS_VALUES_BUFFER_LENGTH

COUNTERS_METADATA_BUFFER_LENGTH

ERROR_BUFFER_LENGTH_PROP_NAME

ERROR_BUFFER_LENGTH_DEFAULT

ERROR_BUFFER_LENGTH

LOSS_REPORT_BUFFER_LENGTH_PROP_NAME

LOSS_REPORT_BUFFER_LENGTH_DEFAULT

LOSS_REPORT_BUFFER_LENGTH

INITIAL_WINDOW_LENGTH_PROP_NAME

INITIAL_WINDOW_LENGTH_DEFAULT

STATUS_MESSAGE_TIMEOUT_PROP_NAME

STATUS_MESSAGE_TIMEOUT_DEFAULT_NS

SEND_TO_STATUS_POLL_RATIO_PROP_NAME

SEND_TO_STATUS_POLL_RATIO_DEFAULT

SOCKET_RCVBUF_LENGTH_PROP_NAME

SOCKET_RCVBUF_LENGTH_DEFAULT

SOCKET_RCVBUF_LENGTH

SOCKET_SNDBUF_LENGTH_PROP_NAME

SOCKET_SNDBUF_LENGTH_DEFAULT

SOCKET_SNDBUF_LENGTH

SOCKET_MULTICAST_TTL_PROP_NAME

SOCKET_MULTICAST_TTL_DEFAULT

SOCKET_MULTICAST_TTL

PUBLICATION_LINGER_PROP_NAME

PUBLICATION_LINGER_DEFAULT_NS

PUBLICATION_LINGER_NS

CLIENT_LIVENESS_TIMEOUT_PROP_NAME

CLIENT_LIVENESS_TIMEOUT_DEFAULT_NS

CLIENT_LIVENESS_TIMEOUT_NS

IMAGE_LIVENESS_TIMEOUT_PROP_NAME

IMAGE_LIVENESS_TIMEOUT_DEFAULT_NS

IMAGE_LIVENESS_TIMEOUT_NS

PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME

PUBLICATION_TERM_WINDOW_LENGTH

IPC_PUBLICATION_TERM_WINDOW_LENGTH_PROP_NAME

IPC_PUBLICATION_TERM_WINDOW_LENGTH

PUBLICATION_UNBLOCK_TIMEOUT_PROP_NAME

PUBLICATION_UNBLOCK_TIMEOUT_DEFAULT_NS

PUBLICATION_UNBLOCK_TIMEOUT_NS

PUBLICATION_CONNECTION_TIMEOUT_PROP_NAME

PUBLICATION_CONNECTION_TIMEOUT_DEFAULT_NS

PUBLICATION_CONNECTION_TIMEOUT_NS

SPIES_SIMULATE_CONNECTION_PROP_NAME

SPIES_SIMULATE_CONNECTION

IDLE_MAX_SPINS