Package com.sleepycat.db

Class ReplicationManagerAckPolicy

java.lang.Object
com.sleepycat.db.ReplicationManagerAckPolicy
public final class ReplicationManagerAckPolicy extends Object
A class that provides definitions for the types of network ack policyto use when transmitting messages between replication sites using theReplication Manager.

Set using the EnvironmentConfig.setReplicationManagerAckPolicy API.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final ReplicationManagerAckPolicy
    ALL
    The master should wait until all replication clients have acknowledged each permanent replication message.
    static final ReplicationManagerAckPolicy
    ALL_AVAILABLE
    The master should wait until all currently connected replication clients have acknowledged each permanent replication message.
    static final ReplicationManagerAckPolicy
    ALL_PEERS
    The master should wait until all electable peers have acknowledged each permanent replication message (where "electable peer" means a client capable of being subsequently elected master of the replication group).
    static final ReplicationManagerAckPolicy
    NONE
    The master should not wait for any client replication message acknowledgments.
    static final ReplicationManagerAckPolicy
    ONE
    The master should wait until at least one client site has acknowledged each permanent replication message.
    static final ReplicationManagerAckPolicy
    ONE_PEER
    The master should wait until at least one electable peer has acknowledged each permanent replication message (where "electable peer" means a client capable of being subsequently elected master of the replication group).
    static final ReplicationManagerAckPolicy
    QUORUM
    The master should wait until it has received acknowledgements from the minimum number of electable peers sufficient to ensure that the effect of the permanent record remains durable if an election is held (where "electable peer" means a client capable of being subsequently elected master of the replication group).

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    toString()

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Field Details

    • ALL

      public static final ReplicationManagerAckPolicy ALL
      The master should wait until all replication clients have acknowledged each permanent replication message.

    • ALL_AVAILABLE

      public static final ReplicationManagerAckPolicy ALL_AVAILABLE
      The master should wait until all currently connected replication clients have acknowledged each permanent replication message.

    • ALL_PEERS

      public static final ReplicationManagerAckPolicy ALL_PEERS
      The master should wait until all electable peers have acknowledged each permanent replication message (where "electable peer" means a client capable of being subsequently elected master of the replication group).

    • NONE

      public static final ReplicationManagerAckPolicy NONE
      The master should not wait for any client replication message acknowledgments.

    • ONE

      public static final ReplicationManagerAckPolicy ONE
      The master should wait until at least one client site has acknowledged each permanent replication message.

    • ONE_PEER

      public static final ReplicationManagerAckPolicy ONE_PEER
      The master should wait until at least one electable peer has acknowledged each permanent replication message (where "electable peer" means a client capable of being subsequently elected master of the replication group).

    • QUORUM

      public static final ReplicationManagerAckPolicy QUORUM
      The master should wait until it has received acknowledgements from the minimum number of electable peers sufficient to ensure that the effect of the permanent record remains durable if an election is held (where "electable peer" means a client capable of being subsequently elected master of the replication group). This is the default acknowledgement policy.

  • Method Details