Ashu Pachauri reassigned HBASE-16755:

    Assignee: Ashu Pachauri

> Don't flush everything when under global memstore pressure
> ----------------------------------------------------------
>                 Key: HBASE-16755
>                 URL: https://issues.apache.org/jira/browse/HBASE-16755
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Ashu Pachauri
>            Assignee: Ashu Pachauri
> When global memstore reaches the low water mark, we pick the best flushable 
> region and flush all column families for it. This is a suboptimal approach in 
> the  sense that it leads to an unnecessarily high file creation rate and IO 
> amplification due to compactions. We should still try to honor the underlying 
> FlushPolicy.

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