Varun Sharma 2013-04-16, 16:30
>If not, my sense is that it would be pretty valuable to add one. Thoughts ?
On Tue, Apr 16, 2013 at 10:00 PM, Varun Sharma <[EMAIL PROTECTED]> wrote:
> I am wondering whether the HBase cachingHitRatio metrics that the region
> server UI shows, can get me a break down by data blocks. I always see this
> number to be very high and that could be exagerated by the fact that each
> lookup hits the index blocks and bloom filter blocks in the block cache
> before retrieving the data block. This could be artificially bloating up
> the cache hit ratio.
> Assuming the above is correct, do we already have a cache hit ratio for
> data blocks alone which is more obscure ? If not, my sense is that it would
> be pretty valuable to add one. Thoughts ?