-Re: prevent region splits?
Jack Levin 2011-09-03, 23:54
Make hbase.hregion.max.filesize to be very large. Then your regions
won't split. We use this method when copying 'live' hbase to make a
On Sat, Sep 3, 2011 at 4:32 PM, Geoff Hendrey <[EMAIL PROTECTED]> wrote:
> Is there a way to prevent regions from splitting while we are running a
> mapreduce job that does a lot of Puts? It seems that there is a lot of
> HDFS activity related to the splitting of regions while my M/R job is
> doing the puts. Is it sensible to disable splitting during the job that
> does lots of Put? Would there be any danger in this (i.e. disabling
> splitting during the job, and re-enabling it when the job completes)?
> I see the hbase.regionserver.thread.splitcompactcheckfrequency could be
> used to make splits happen less frequently, but what I'd really like is
> for splitting to be disabled, then re-enabled later.