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Date: Fri, 6 Nov 2015 06:35:27 +0000 (UTC)
From: "Michi Mutsuzaki (JIRA)" <jira@apache.org>
To: dev@zookeeper.apache.org
Message-ID: <JIRA.12910931.1446780574000.171777.1446791727776@Atlassian.JIRA>
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Subject: [jira] [Commented] (ZOOKEEPER-2315) Change client connect zk
 service timeout log level from Info to Warn level
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    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14993215#comment-14993215 ] 

Michi Mutsuzaki commented on ZOOKEEPER-2315:
--------------------------------------------

Also, you need to use --no-prefix if you are generating the patch using git diff.

> Change client connect zk service timeout log level from Info to Warn level
> --------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2315
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2315
>             Project: ZooKeeper
>          Issue Type: Wish
>          Components: java client
>    Affects Versions: 3.4.6
>            Reporter: Lin Yiqun
>            Priority: Minor
>             Fix For: 3.4.7, 3.5.2, 3.6.0
>
>         Attachments: ZOOKEEPER-2315.001.patch
>
>
> Recently my the resourmanager  of my hadoop cluster is fail suddenly,so I look into the rsourcemanager log.But the log is not helpful for me to direct find the reson until I found the zk timeout info log record.
> {code}
> 2015-11-06 06:34:11,257 INFO org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode: Assigned container container_1446016482901_292094_01_000140 of capacity <memory:1024, vCores:1> on host mofa2089:41361, which has 30 containers, <memory:31744, vCores:30> used and <memory:9216, vCores:10> available after allocation
> 2015-11-06 06:34:11,266 INFO org.apache.zookeeper.ClientCnxn: Unable to reconnect to ZooKeeper service, session 0x24f4fd5118e5c6e has expired, closing socket connection
> 2015-11-06 06:34:11,271 INFO org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl: container_1446016482901_292094_01_000105 Container Transitioned from RUNNING to COMPLETED
> 2015-11-06 06:34:11,271 INFO org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: Completed container: container_1446016482901_292094_01_000105 in state: COMPLETED event:FINISHED
> 2015-11-06 06:34:11,271 INFO org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger: USER=dongwei  OPERATION=AM Released Container TARGET=SchedulerApp     RESULT=SUCCESS  APPID=application_1446016482901_292094  CONTAINERID=container_1446016482901_292094_01_000105
> 2015-11-06 06:34:11,271 INFO org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode: Released container container_1446016482901_292094_01_000105 of capacity <memory:1024, vCores:1> on host mofa010079:50991, which currently has 29 containers, <memory:33792, vCores:29> used and <memory:7168, vCores:11> available, release resources=true
> 2015-11-06 06:34:11,271 INFO org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler: Application attempt appattempt_1446016482901_292094_000001 released container container_1446016482901_292094_01_000105 on node: host: mofa010079:50991 #containers=29 available=<memory:7168, vCores:11> used=<memory:33792, vCores:29> with event: FINISHED
> 2015-11-06 06:34:11,272 INFO org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl: container_1446016482901_292094_01_000141 Container Transitioned from NEW to ALLOCATED
> 2015-11-06 06:34:11,272 INFO org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger: USER=dongwei  OPERATION=AM Allocated Container        TARGET=SchedulerApp     RESULT=SUCCESS  APPID=application_1446016482901_292094  CONTAINERID=container_1446016482901_292094_01_000141
> 2015-11-06 06:34:11,272 INFO org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode: Assigned container container_1446016482901_292094_01_000141 of capacity <memory:1024, vCores:1> on host mofa010079:50991, which has 30 containers, <memory:34816, vCores:30> used and <memory:6144, vCores:10> available after allocation
> 2015-11-06 06:34:11,295 WARN org.apache.hadoop.yarn.server.resourcemanager.amlauncher.ApplicationMasterLauncher: org.apache.hadoop.yarn.server.resourcemanager.amlauncher.ApplicationMasterLauncher$LauncherThread interrupted. Returning.
> 2015-11-06 06:34:11,296 INFO org.apache.hadoop.ipc.Server: Stopping server on 8032
> 2015-11-06 06:34:11,297 INFO org.apache.hadoop.ipc.Server: Stopping IPC Server Responder
> 2015-11-06 06:34:11,297 INFO org.apache.hadoop.ipc.Server: Stopping server on 8030
> 2015-11-06 06:34:11,297 INFO org.apache.hadoop.ipc.Server: Stopping IPC Server listener on 8032
> 2015-11-06 06:34:11,298 INFO org.apache.hadoop.ipc.Server: Stopping IPC Server Responder
> 2015-11-06 06:34:11,298 INFO org.apache.hadoop.ipc.Server: Stopping server on 8031
> 2015-11-06 06:34:11,298 INFO org.apache.hadoop.ipc.Server: Stopping IPC Server listener on 8030
> 2015-11-06 06:34:11,300 INFO org.apache.hadoop.ipc.Server: Stopping IPC Server listener on 80312015-11-06 06:34:11,300 INFO org.apache.hadoop.ipc.Server: Stopping IPC Server Responder
> {code}
> The problem is solved,but it's too difficult to find the connect zk service time out info from so many info log records.And we will easily to ignore these records.So we should chang these zk seesion timeout log level form info level to warn.


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