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From Ted Yu <yuzhih...@gmail.com>
Subject Re: IN_MEMORY behavior?
Date Thu, 01 Jun 2017 14:44:54 GMT
Please take a look at :

http://hbase.apache.org/book.html#blockcache.prefetch

Cheers

On Thu, Jun 1, 2017 at 7:38 AM, Eric Owhadi <eric.owhadi@esgyn.com> wrote:

> Hi Hbaseers,
> I was wondering about the behavior of hbase tables tagged as IN_MEMORY:
> Is that just a tag that will give high priority to these table so they
> don't get evicted from block cache? Or do they also have the property of
> being loaded into block cache even if no query are made (automatically
> warmed up cache upon region instantiation)?
> I am trying to achieve the later... for customer sensitive to first query
> slowness because hitting disk instead of cache?
> Thanks in advance for the help,
> Eric Owhadi
>

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