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From "Abhishek Singh Chouhan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-14257) Periodic flusher only handles hbase:meta, not other system tables
Date Wed, 02 Sep 2015 08:54:46 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Abhishek Singh Chouhan updated HBASE-14257:
-------------------------------------------
    Status: Open  (was: Patch Available)

Reattaching so that Hadoop QA can run again.

> Periodic flusher only handles hbase:meta, not other system tables
> -----------------------------------------------------------------
>
>                 Key: HBASE-14257
>                 URL: https://issues.apache.org/jira/browse/HBASE-14257
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 2.0.0, 1.2.0
>            Reporter: Lars George
>            Assignee: Abhishek Singh Chouhan
>              Labels: beginner
>         Attachments: HBASE-14257.patch
>
>
> In {{HRegion.shouldFlush}} we have
> {code}
>     long modifiedFlushCheckInterval = flushCheckInterval;
>     if (getRegionInfo().isMetaRegion() &&
>         getRegionInfo().getReplicaId() == HRegionInfo.DEFAULT_REPLICA_ID) {
>       modifiedFlushCheckInterval = META_CACHE_FLUSH_INTERVAL;
>     }
> {code}
> That method is called by the {{PeriodicMemstoreFlusher}} thread, and prefers the {{hbase:meta}}
only for faster flushing. It should be doing the same for other system tables. I suggest to
use {{HRI.isSystemTable()}}.



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