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From Ryan Rawson <ryano...@gmail.com>
Subject Re: trimming RegionLoad fields
Date Thu, 17 Mar 2011 21:37:25 GMT
How much memory does profiling indicating these objects use?  How much
are you expecting to save?

Saving 4-8 bytes even on a 10k region cluster is still only 80k of
ram, not really significant.


On Thu, Mar 17, 2011 at 2:32 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> Hi,
> See email thread 'One of the regionserver aborted, then the master shut down
> itself' for background.
> I am evaluating various ways of trimming the memory footprint of RegionLoad
> because there would be so many regions in production cluster.
>
> Looking at field memstoreSizeMB of RegionLoad, I only found this reference -
> AvroUtil.hslToASL()
> Load balancer currently isn't checking this metric. And HRegion has
> memstoreSize field.
>
> I wonder whether we can trim field memstoreSizeMB off RegionLoad.
>
> Please comment.
>

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