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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2010/02/15 06:27:27 UTC

[jira] Updated: (HBASE-2087) The wait on compaction because "Too many store files" holds up all flushing

     [ https://issues.apache.org/jira/browse/HBASE-2087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-2087:
-------------------------

    Fix Version/s: 0.20.4

Moving into 0.20.4.

> The wait on compaction because "Too many store files" holds up all flushing
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-2087
>                 URL: https://issues.apache.org/jira/browse/HBASE-2087
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>             Fix For: 0.20.4
>
>
> The method MemStoreFlusher#checkStoreFileCount is called from flushRegion.  flushRegion is called by MemStoreFlusher#run thread.  If the checkStoreFileCount finds too many store files, it'll stick around waiting on a compaction to happen.  While its hanging, the MemStoreFlusher#run is held up.  No other region can flush.  Meantime WALs will be rolling and memory will be accumulating writes.

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