On Mon, Aug 27, 2012 at 9:25 AM, Senthilvel Rangaswamy <senthil...@gmail.com> wrote: > We are running 1.1.2 on m1.xlarge with ephemeral store for data. We are > seeing very high loads on one of the nodes in the ring, 30+.
My first hunch would be that you are sending all client requests to this one node, so it is coordinating 30x as many requests as it should. If that's not the case, if I were you I would attempt to determine if the high i/o is high read or write on the node, via a tool like iotop. You can also compare the tpstats of two nodes with similar uptimes to see if your node is performing more of any stage than other members of its cohort. Once you determine whether it's read or write, determine which files are being read or written.. :) =Rob -- =Robert Coli AIM>ALK - rc...@palominodb.com YAHOO - rcoli.palominob SKYPE - rcoli_palominodb
