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From "HongLiang (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (KAFKA-6326) when broker is unavailable(such as broker's machine is down), controller will wait 30 sec timeout
Date Fri, 08 Dec 2017 04:52:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-6326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16283053#comment-16283053
] 

HongLiang edited comment on KAFKA-6326 at 12/8/17 4:51 AM:
-----------------------------------------------------------

[~huxi_2b]  zookeeper.session.timeout.ms is 120 sec. but the zk session timeout not problem
in this case.
the problem is broker has down. the controller still send broker .wait 30 sec. I think controller
not wait. because controller know the broker has down.


was (Author: hongliang):
[~huxi_2b]  zookeeper.session.timeout.ms is 120 sec. but the zk session timeout not problem
in this case.
the problem is broker has down(zookeeper has know in session.timeout). the controller still
send broker .wait 30 sec. I think controller not wait. because controller know the broker
has down.

> 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, _f7d1d2b4-39ae-4e02-8519-99bcba849668.png,
fast-recver-shutdownbroker.diff
>
>
> 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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