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Posted to issues@hbase.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2014/02/10 20:25:20 UTC
[jira] [Updated] (HBASE-10491) RegionLocations::getRegionLocation
can return unexpected replica
[ https://issues.apache.org/jira/browse/HBASE-10491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sergey Shelukhin updated HBASE-10491:
-------------------------------------
Issue Type: Sub-task (was: Bug)
Parent: HBASE-10070
> RegionLocations::getRegionLocation can return unexpected replica
> ----------------------------------------------------------------
>
> Key: HBASE-10491
> URL: https://issues.apache.org/jira/browse/HBASE-10491
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: hbase-10070
> Reporter: Sergey Shelukhin
>
> The method returns first non-null replica.
> If first replica is assumed to always be non-null (discussed with Enis), then this code is not necessary, it should return 0th one, maybe assert it's not null.
> If that is not the case, then code may be incorrect and may return non-primary to some code (locateRegion overload) that doesn't expect it.
> Perhaps method should be called getAnyRegionReplica or something like that; and get(Primary?)RegionLocation should return the first.
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