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From Dhruba Borthakur <dhr...@gmail.com>
Subject Re: keyvalue cache
Date Wed, 04 Apr 2012 01:47:03 GMT
+1 to evaluating a proposal for the rowcache. It could be very beneficial
to certain applications. The challenge is to reduce the memory overhad per
cached data.


On Tue, Apr 3, 2012 at 3:34 PM, Enis Söztutar <enis@apache.org> wrote:

> Hi,
> Before opening the issue, I though I should ask around first. What do you
> think about a keyvalue cache sitting on top of the block cache? It is
> mentioned in the big table paper, and it seems that zipfian kv access
> patterns might benefit from something like this a lot. I could not find
> anybody who proposed that before.
> What do you guys think? Should we pursue a kv query-cache. My gut feeling
> says that especially for some workloads we might gain significant
> performance improvements, but we cannot verify it, until we implement and
> profile it, right?
> Thanks,
> Enis

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