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Posted to issues@hbase.apache.org by "Phil Yang (JIRA)" <ji...@apache.org> on 2017/07/17 04:05:02 UTC

[jira] [Updated] (HBASE-18390) Sleep too long when finding region location failed

     [ https://issues.apache.org/jira/browse/HBASE-18390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Phil Yang updated HBASE-18390:
------------------------------
    Status: Patch Available  (was: Open)

> 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
>            Reporter: Phil Yang
>            Assignee: Phil Yang
>         Attachments: HBASE-18390.v01.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. 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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