curious how did things turn out? On Tue, May 18, 2010 at 1:38 PM, Curt Bererton <c...@zipzapplay.com> wrote:
> We only have a few CFs (6 or 7). I've increased the MemtableThroughputInMB > and MemtableOperationsInMillions as per your suggestions. Do we really > need a swap file though? I suppose it can't hurt, but with my problem in > particular we weren't maxing out main memory. > > We'll be running another test today and see if the settings changes > proposed so far fix our problem ( I hope so ). > > Best, > Curt > > > On Tue, May 18, 2010 at 5:59 AM, Lee Parker <l...@socialagency.com> wrote: > >> How many different CFs do you have? If you only have a few, I would >> highly recommend increasing the MemtableThroughputInMB and >> MemtableOperationsInMillions. >> We only have to CFs and I have it set at 256MB and 2.5m. Since most of our >> columns are relatively small, these values are practically equivalent to >> each other. I would also recommend dropping your heap space to 6G and >> adding a swap file. In our case, the large EC2 instances didn't have any >> swap setup by default. >> >> Lee Parker >> >> >> >