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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12327) Ozone: support setting timeout in background service
Date Mon, 21 Aug 2017 16:24:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16135387#comment-16135387
] 

Weiwei Yang commented on HDFS-12327:
------------------------------------

Hi [~linyiqun]

Thanks for working on this, it looks almost good to me. Just one thought, maybe we should
enable the timeout by default for {{BlockDeletingService}}. We have {{ozone.block.deleting.limit.per.task}}
to throttle number of blocks to delete per task, I think we can set a default value to {{300000ms}},
5min should be enough for deleting 1000 blocks I suppose. And please add a doc in ozone-default.xml,
this value should be increased with {{ozone.block.deleting.limit.per.task}}. Another nit is
can we use {{int}} for the timeout instead of long?

Thanks

> Ozone: support setting timeout in background service
> ----------------------------------------------------
>
>                 Key: HDFS-12327
>                 URL: https://issues.apache.org/jira/browse/HDFS-12327
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Yiqun Lin
>            Assignee: Yiqun Lin
>         Attachments: HDFS-12327-HDFS-7240.001.patch, HDFS-12327-HDFS-7240.002.patch
>
>
> The background should support timeout setting in case the task ran hung caused by unpredictability
sceneries.



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