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https://issues.apache.org/jira/browse/KAFKA-6326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16283207#comment-16283207
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HongLiang edited comment on KAFKA-6326 at 12/8/17 8:37 AM:
-----------------------------------------------------------
[~huxi_2b][{color:red}2017-10-30 14:15:18,009{color}]
[ZkClient-EventThread-28-xxxxxxxx] INFO
[Controller-188-to-broker-187-send-thread], {color:red}Shutting down{color}
(kafka.controller.RequestSendThread)
[{color:red}2017-10-30 14:15:43,828{color}]
[Controller-188-to-broker-187-send-thread] WARN
[Controller-188-to-broker-187-send-thread], Controller 188's connection to
broker 187:9092 (id: 187 rack: null) was unsuccessful
(kafka.controller.RequestSendThread)
java.net.SocketTimeoutException: Failed to connect within 30000 ms
at
kafka.controller.RequestSendThread.brokerReady(ControllerChannelManager.scala:237)
at
kafka.controller.RequestSendThread.liftedTree1$1(ControllerChannelManager.scala:189)
at
kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:188)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
[2017-10-30 14:15:43,828] [Controller-188-to-broker-187-send-thread] INFO
[Controller-188-to-broker-187-send-thread], Stopped
(kafka.controller.RequestSendThread)
[2017-10-30 14:15:43,828] [ZkClient-EventThread-28-xxx] INFO
[Controller-188-to-broker-187-send-thread], Shutdown completed
(kafka.controller.RequestSendThread)
was (Author: hongliang):
[~huxi_2b][{color:red}2017-10-30 14:15:18,009{color}]
[ZkClient-EventThread-28-xxxxxxxx] INFO
[Controller-188-to-broker-187-send-thread], {color:red}Shutting down{color}
(kafka.controller.RequestSendThread)
> when broker is unavailable(such as broker's machine is down), controller will
> wait 30 sec timeout
> --------------------------------------------------------------------------------------------------
>
> Key: KAFKA-6326
> URL: https://issues.apache.org/jira/browse/KAFKA-6326
> Project: Kafka
> Issue Type: Bug
> Components: controller
> Affects Versions: 1.0.0
> Reporter: HongLiang
> Attachments: _f7d1d2b4-39ae-4e02-8519-99bcba849668.png
>
>
> when broker is unavailable(such as broker's machine is down), controller will
> wait 30 sec timeout by dedault. it seems to be that the timeout waiting is
> not necessary. It will be increase the MTTR of dead broker .
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