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https://issues.apache.org/jira/browse/ZOOKEEPER-1330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15484207#comment-15484207
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Flavio Junqueira commented on ZOOKEEPER-1330:
---------------------------------------------
[~cammckenzie] from your log messages, it looks like the leader election is
taking quite some time. The leader one says 10s plus another 7s until it got a
quorum of supporters. Your ensemble for some reason is taking its time to come
back up.
> Zookeeper server not serving the client request even after completion of
> Leader election
> ----------------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-1330
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1330
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.4.0
> Environment: 3 zk quorum
> Reporter: amith
> Priority: Minor
> Fix For: 3.5.3, 3.6.0
>
>
> Have a cluster of 3 zookeepers
> 90 clients are connected to the server
> leader got killed and started
> the other 2 zookeeper started FLE and Leader was elected
> But its taking nearly 10 sec for this server to server requests and saying
> "ZooKeeperServer not running" message..?
> Why is this even after Leader election SERVER IS NOT RUNNING !!!!!!!!!!
> 2011-12-19 16:12:29,732 [myid:2] - WARN
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@354] - Exception
> causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not
> running
> 2011-12-19 16:12:29,733 [myid:2] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@1000] - Closed
> socket connection for client /10.18.47.148:51965 (no session established for
> client)
> 2011-12-19 16:12:29,753 [myid:2] - INFO
> [QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2182:QuorumPeer@747] - LEADING
> 2011-12-19 16:12:29,762 [myid:2] - INFO
> [QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2182:Leader@58] - TCP NoDelay set to: true
> 2011-12-19 16:12:29,765 [myid:2] - INFO
> [QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2182:ZooKeeperServer@168] - Created
> server with tickTime 2000 minSessionTimeout 4000 maxSessionTimeout 40000
> datadir ../dataDir/version-2 snapdir ../dataDir/version-2
> 2011-12-19 16:12:29,766 [myid:2] - INFO
> [QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2182:Leader@294] - LEADING - LEADER
> ELECTION TOOK - 4663
> 2011-12-19 16:12:29,776 [myid:2] - INFO
> [QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2182:FileSnap@83] - Reading snapshot
> ../dataDir/version-2/snapshot.100013661
> 2011-12-19 16:12:29,831 [myid:2] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxnFactory@213] -
> Accepted socket connection from /10.18.47.148:51982
> 2011-12-19 16:12:29,831 [myid:2] - WARN
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@354] - Exception
> causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not
> running
> 2011-12-19 16:12:29,832 [myid:2] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@1000] - Closed
> socket connection for client /10.18.47.148:51982 (no session established for
> client)
> 2011-12-19 16:12:29,884 [myid:2] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxnFactory@213] -
> Accepted socket connection from /10.18.47.148:51989
> 2011-12-19 16:12:29,884 [myid:2] - WARN
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@354] - Exception
> causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not
> running
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