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From hanishakon...@apache.org
Subject [22/50] [abbrv] hadoop git commit: HADOOP-15449. Increase default timeout of ZK session to avoid frequent NameNode failover
Date Wed, 30 May 2018 21:12:12 GMT
HADOOP-15449. Increase default timeout of ZK session to avoid frequent NameNode failover

Signed-off-by: Akira Ajisaka <aajisaka@apache.org>


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/61df174e
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/61df174e
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/61df174e

Branch: refs/heads/HDDS-48
Commit: 61df174e8b3d582183306cabfa2347c8b96322ff
Parents: 04757e5
Author: Karthik Palanisamy <karthikshva123@gmail.com>
Authored: Mon May 28 19:41:07 2018 +0900
Committer: Akira Ajisaka <aajisaka@apache.org>
Committed: Mon May 28 19:41:07 2018 +0900

----------------------------------------------------------------------
 .../src/main/java/org/apache/hadoop/ha/ZKFailoverController.java   | 2 +-
 .../hadoop-common/src/main/resources/core-default.xml              | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/61df174e/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
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diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
index a8c19ab..9295288 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
@@ -63,7 +63,7 @@ public abstract class ZKFailoverController {
   
   public static final String ZK_QUORUM_KEY = "ha.zookeeper.quorum";
   private static final String ZK_SESSION_TIMEOUT_KEY = "ha.zookeeper.session-timeout.ms";
-  private static final int ZK_SESSION_TIMEOUT_DEFAULT = 5*1000;
+  private static final int ZK_SESSION_TIMEOUT_DEFAULT = 10*1000;
   private static final String ZK_PARENT_ZNODE_KEY = "ha.zookeeper.parent-znode";
   public static final String ZK_ACL_KEY = "ha.zookeeper.acl";
   private static final String ZK_ACL_DEFAULT = "world:anyone:rwcda";

http://git-wip-us.apache.org/repos/asf/hadoop/blob/61df174e/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
index 9564587..75acf48 100644
--- a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
+++ b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
@@ -2168,7 +2168,7 @@
 
 <property>
   <name>ha.zookeeper.session-timeout.ms</name>
-  <value>5000</value>
+  <value>10000</value>
   <description>
     The session timeout to use when the ZKFC connects to ZooKeeper.
     Setting this value to a lower value implies that server crashes


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