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https://issues.apache.org/jira/browse/ZOOKEEPER-3398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16883959#comment-16883959
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Hudson commented on ZOOKEEPER-3398:
-----------------------------------
SUCCESS: Integrated in Jenkins build ZooKeeper-trunk #612 (See
[https://builds.apache.org/job/ZooKeeper-trunk/612/])
ZOOKEEPER-3398: Learner.connectToLeader() may take too long to time-out (andor:
rev 43ce772db000721546fcd13dd8523002dfa97741)
* (edit) zookeeper-docs/src/main/resources/markdown/zookeeperAdmin.md
* (edit)
zookeeper-server/src/main/java/org/apache/zookeeper/server/quorum/QuorumPeer.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/test/FLEPredicateTest.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/test/TruncateTest.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/test/QuorumBase.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/test/QuorumUtil.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/server/quorum/ReconfigDuringLeaderSyncTest.java
* (edit)
zookeeper-it/src/test/java/org/apache/zookeeper/test/system/BaseSysTest.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/server/quorum/CnxManagerTest.java
* (edit)
zookeeper-server/src/main/java/org/apache/zookeeper/server/quorum/QuorumPeerMain.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/test/HierarchicalQuorumTest.java
* (edit) zookeeper-server/src/test/java/org/apache/zookeeper/test/FLETest.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/server/quorum/FLEOutOfElectionTest.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/server/quorum/LearnerTest.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/server/quorum/FLEBackwardElectionRoundTest.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/server/quorum/QuorumPeerTestBase.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/test/FLEZeroWeightTest.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/test/FLERestartTest.java
* (edit)
zookeeper-server/src/main/java/org/apache/zookeeper/server/quorum/Learner.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/test/FLENewEpochTest.java
* (edit)
zookeeper-it/src/test/java/org/apache/zookeeper/test/system/QuorumPeerInstance.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/server/quorum/QuorumPeerTest.java
* (edit)
zookeeper-server/src/test/java/org/apache/zookeeper/server/quorum/FLELostMessageTest.java
* (edit)
zookeeper-server/src/main/java/org/apache/zookeeper/server/quorum/QuorumPeerConfig.java
> Learner.connectToLeader() may take too long to time-out
> --------------------------------------------------------
>
> Key: ZOOKEEPER-3398
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3398
> Project: ZooKeeper
> Issue Type: Improvement
> Components: leaderElection, quorum
> Reporter: Vladimir Ivić
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.6.0
>
> Time Spent: 5h
> Remaining Estimate: 0h
>
> After leader election happens, the followers will connect to the leader which
> is facilitated by the Learner.connectToLeader() method.
> Learner.connectToLeader() is relying on the initLimit configuration value to
> time-out in case the network connection is unreliable. This config may have a
> high value that could leave the ensemble retrying and waiting in the state of
> not having quorum for too long. The follower will retry up to 5 times.
> This patch introduces a new configuration directive that will allow Zookeeper
> to use different time-out value `connectToLeaderLimit` which then could be
> set to lower value than `initLimit`.
>
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