HADOOP-15449. Increase default timeout of ZK session to avoid frequent NameNode failover
Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
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@ -63,7 +63,7 @@ public abstract class ZKFailoverController {
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public static final String ZK_QUORUM_KEY = "ha.zookeeper.quorum";
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private static final String ZK_SESSION_TIMEOUT_KEY = "ha.zookeeper.session-timeout.ms";
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private static final int ZK_SESSION_TIMEOUT_DEFAULT = 5*1000;
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private static final int ZK_SESSION_TIMEOUT_DEFAULT = 10*1000;
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private static final String ZK_PARENT_ZNODE_KEY = "ha.zookeeper.parent-znode";
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public static final String ZK_ACL_KEY = "ha.zookeeper.acl";
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private static final String ZK_ACL_DEFAULT = "world:anyone:rwcda";
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@ -2168,7 +2168,7 @@
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<property>
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<name>ha.zookeeper.session-timeout.ms</name>
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<value>5000</value>
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<value>10000</value>
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<description>
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The session timeout to use when the ZKFC connects to ZooKeeper.
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Setting this value to a lower value implies that server crashes
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