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https://issues.apache.org/jira/browse/HDFS-7708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Akira AJISAKA updated HDFS-7708:
--------------------------------
Description:
When balancer completes rebalance and exits, it does not delete its pid file.
Starting balancer again, then "kill -0 pid" to confirm the balancer process is
not running.
The problem is: If another process is running as the same pid as `cat pidfile`,
balancer fails to start with following message:
{code}
balancer is running as process 3443. Stop it first.
{code}
was:
When balancer completes rebalance and exits, it does not delete its pid file.
Starting balancer again, then "kill -0 pid" to confirm the process is running.
The problem is:
* If another process is running as the same pid as `cat pidfile`, balancer
fails to start with following message:
{code}
balancer is running as process 3443. Stop it first.
{code}
> Balancer should delete its pid file when it completes rebalance
> ---------------------------------------------------------------
>
> Key: HDFS-7708
> URL: https://issues.apache.org/jira/browse/HDFS-7708
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer & mover
> Affects Versions: 2.6.0
> Reporter: Akira AJISAKA
>
> When balancer completes rebalance and exits, it does not delete its pid file.
> Starting balancer again, then "kill -0 pid" to confirm the balancer process
> is not running.
> The problem is: If another process is running as the same pid as `cat
> pidfile`, balancer fails to start with following message:
> {code}
> balancer is running as process 3443. Stop it first.
> {code}
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