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Date: Thu, 17 Mar 2011 14:47:10 -0700 (PDT)
From: Andrew Purtell <apurtell@apache.org>
Reply-To: apurtell@apache.org
Subject: Re: trimming RegionLoad fields
To: dev@hbase.apache.org
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memstoreSizeMB is part of the output printed by the shell when you do statu=
s 'detailed'.=0A=0AI use that.=0A=0AIsn't that information useful to others=
?=0A=0A  - Andy =0A=0A--- On Thu, 3/17/11, Ryan Rawson <ryanobjc@gmail.com>=
 wrote:=0A=0A> From: Ryan Rawson <ryanobjc@gmail.com>=0A> Subject: Re: trim=
ming RegionLoad fields=0A> To: dev@hbase.apache.org=0A> Cc: "Ted Yu" <yuzhi=
hong@gmail.com>=0A> Date: Thursday, March 17, 2011, 2:37 PM=0A> How much me=
mory does profiling=0A> indicating these objects use?=A0 How much=0A> are y=
ou expecting to save?=0A> =0A> Saving 4-8 bytes even on a 10k region cluste=
r is still only=0A> 80k of ram, not really significant.=0A> =0A> =0A> On Th=
u, Mar 17, 2011 at 2:32 PM, Ted Yu <yuzhihong@gmail.com>=0A> wrote:=0A> > H=
i,=0A> > See email thread 'One of the regionserver aborted,=0A> then the ma=
ster shut down=0A> > itself' for background.=0A> > I am evaluating various =
ways of trimming the memory=0A> footprint of RegionLoad=0A> > because there=
 would be so many regions in production=0A> cluster.=0A> >=0A> > Looking at=
 field memstoreSizeMB of RegionLoad, I only=0A> found this reference -=0A> =
> AvroUtil.hslToASL()=0A> > Load balancer currently isn't checking this met=
ric.=0A> And HRegion has=0A> > memstoreSize field.=0A> >=0A> > I wonder whe=
ther we can trim field memstoreSizeMB off=0A> RegionLoad.=0A> >=0A> > Pleas=
e comment.=0A> >=0A> =0A=0A=0A