Have you seen Todd Lipcon's post on MSLAB's? http://www.cloudera.com/blog/2011/02/avoiding-full-gcs-in-hbase-with-memstore-local-allocation-buffers-part-1/
This is a new feature in 0.90.1 that prevents memory fragmentation during write loads. You do have to explicitly enable this, but it seems a likely culprit for unstable writes But, of course, this is just a shot in the dark given the limited information you have provided. Dave -----Original Message----- From: Ted Dunning [mailto:[email protected]] Sent: Monday, March 21, 2011 1:19 PM To: [email protected] Cc: Stuart Scott Subject: Re: HBase Stability Is there a reason you are not using a recent version of 0.90? On Mon, Mar 21, 2011 at 1:17 PM, Stuart Scott <[email protected]>wrote: > We are using Hbase 0.89.20100924+28, r >
