Also, can you say what YCSB workload that used? On Thu, Jan 20, 2011 at 9:33 AM, Todd Lipcon <t...@cloudera.com> wrote:
> I did some experiments to understand our full GC issues better last night. > Here are the results: > http://people.apache.org/~todd/hbase-fragmentation/ > > <http://people.apache.org/~todd/hbase-fragmentation/>Basically my > conclusion > here is that (for these YCSB workloads) the memstore is way worse for heap > fragmentation than the block cache. > > Also we now have some tools and reference for comparison if we make any > changes to memstore to try to combat this issue. > > -Todd > -- > Todd Lipcon > Software Engineer, Cloudera >
