On top notch modern hardware, with tweaking, and some client luck, a regionserver can do up to 55k inserts/sec. Maybe more with some tweaks I'm planning.
There is no effective difference between an 'update' and an 'insert', so the rate is the same no matter what. On Fri, Oct 16, 2009 at 12:11 PM, Amandeep Khurana <[email protected]> wrote: > Fred, > > We write to HBase in the mapper itself (in most cases). So, the sorting is > done by HBase itself. > > -ak > > On Fri, Oct 16, 2009 at 12:08 PM, Fred Zappert <[email protected]> wrote: > >> Amandeep, >> >> Are you using the MR jobs to sort the incoming data into key order? >> >> Fred. >> >> On Fri, Oct 16, 2009 at 11:16 AM, Amandeep Khurana <[email protected]> >> wrote: >> >> > We've got similar insert speed too.. We have bigger rows - about 30k >> > each. And get around 3-4k inserts/second using MR jobs with some >> > tuning... >> > Quad core/8GB x 9 nodes... >> > >> > On 10/16/09, Bradford Stephens <[email protected]> wrote: >> > > Hey there, >> > > >> > > On an 8 core/8 GB server, with rows of 1-10kb and 8 columns, we were >> > > getting 7-11,000 inserts/regionserver/second on an 18 node cluster. We >> > > didn't do much tuning, so it's certainly capable of more. >> > > >> > > Cheers, >> > > Bradford >> > > >> > > On Fri, Oct 16, 2009 at 8:40 AM, Fred Zappert <[email protected]> >> > wrote: >> > >> Hi, >> > >> >> > >> I would very much appreciate a swag on the number of updates and >> inserts >> > a >> > >> region server can handle/second. >> > >> >> > >> Assume a modest number of columns (20), and no automatic >> cross-indexing. >> > >> >> > >> Assume the kind of server usually recommended here. >> > >> >> > >> Thanks, >> > >> >> > >> Fred. >> > >> >> > > >> > > >> > > >> > > -- >> > > http://www.drawntoscaleconsulting.com - Scalability, Hadoop, HBase, >> > > and Distributed Lucene Consulting >> > > >> > > http://www.roadtofailure.com -- The Fringes of Scalability, Social >> > > Media, and Computer Science >> > > >> > >> > >> > -- >> > >> > >> > Amandeep Khurana >> > Computer Science Graduate Student >> > University of California, Santa Cruz >> > >> >
