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From Ted Yu <yuzhih...@gmail.com>
Subject Re: HBase memstore flushing question
Date Tue, 11 Jun 2013 01:03:54 GMT
Take a look at https://issues.apache.org/jira/browse/HBASE-3149


On Jun 10, 2013, at 5:34 PM, Lucas Stanley <lucas23145@gmail.com> wrote:

> In the current version of HBase (094.8) do all the column families on a
> region server still get flushed together?
> I know a couple of years ago, it was recommended that if you have 10 column
> families and if you populate just one of them so it's memstore gets full
> with 64 MB of data, this will cause all 10 column families to be flushed,
> even if the other 9 memstores only had 5 MB of data each.
> Because of this, it was recommended to keep the # of column families low.
> Does HBase currently still do all the memstore flushes together... or can
> it now individually flush individual memstores?

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