Hi Ted, I read all fields in the record. I was trying to get similar performance from the YCSB paper.
How do I know how much data is moving from the disk? -Harold --- On Tue, 5/31/11, Ted Dunning <[email protected]> wrote: > From: Ted Dunning <[email protected]> > Subject: Re: How to improve HBase throughput with YCSB? > To: [email protected] > Date: Tuesday, May 31, 2011, 12:34 AM > How large are the reads? > > Have you tried this on a better instance type such as was > suggested a bit > ago? > > How much data is moving from the disks? > > > On Mon, May 30, 2011 at 8:46 PM, Harold Lim <[email protected]> > wrote: > > > Hi Ted, > > > > It's a pure random read operation. > > > > > > -Harold > > --- On Mon, 5/30/11, Ted Dunning <[email protected]> > wrote: > > > > > From: Ted Dunning <[email protected]> > > > Subject: Re: How to improve HBase throughput with > YCSB? > > > To: [email protected] > > > Date: Monday, May 30, 2011, 3:07 PM > > > What kind of operations? > > > > > > On Mon, May 30, 2011 at 9:43 AM, Harold Lim > <[email protected]> > > > wrote: > > > > > > > Hi All, > > > > > > > > I have an HBase cluster on ec2 m1.large > instance (10 > > > region servers). I'm > > > > trying to run a read-only YCSB workload. It > seems that > > > I can't get a good > > > > throughput. It saturates to around 600+ > operations per > > > second. > > > > > > > > My dataset is around 200GB (~1k+ regions). > Running > > > major compaction and > > > > also setting the handler count to 100 helped > improve > > > the performance a > > > > little bit. > > > > > > > > Are there setting or configurations that I > need to > > > set? > > > > > > > > Thanks, > > > > Harold > > > > > > > > > > > > > >
