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https://issues.apache.org/jira/browse/HBASE-18390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16091131#comment-16091131
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Chia-Ping Tsai commented on HBASE-18390:
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ConnectionUtils.addJitter is useless. Can we git rid of it?
> Sleep too long when finding region location failed
> --------------------------------------------------
>
> Key: HBASE-18390
> URL: https://issues.apache.org/jira/browse/HBASE-18390
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.3.1, 1.2.6, 1.1.11, 2.0.0-alpha-1
> Reporter: Phil Yang
> Assignee: Phil Yang
> Fix For: 3.0.0, 1.4.0, 1.3.2, 1.2.7, 2.0.0-alpha-2, 1.1.12
>
> Attachments: HBASE-18390.v01.patch, HBASE-18390.v02.patch,
> HBASE-18390.v03.patch
>
>
> If RegionServerCallable#prepare failed when getRegionLocation, the location
> in this callable object is null. And before we retry we will sleep. However,
> when location is null we will sleep at least 10 seconds. And the request will
> be failed directly if operation timeout is less than 10 seconds. I think it
> is no need to keep MIN_WAIT_DEAD_SERVER logic. Use backoff sleeping logic is
> ok for most cases.
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