If RF=2 and CL= QUORUM, you're getting no benefit from replication. When a node is in GC it stops everything. Set RF=3, so when one node is busy the cluster will still work.
On Tue, Mar 8, 2011 at 11:46 AM, ruslan usifov <ruslan.usi...@gmail.com>wrote: > > > 2011/3/8 Chris Goffinet <c...@chrisgoffinet.com> > >> How large are your SSTables on disk? My thought was because you have so >> many on disk, we have to store the bloom filter + every 128 keys from index >> in memory. >> >> > 0.5GB > But as I understand store in memory happens only when read happens, i do > only inserts. And i think that memory doesn't problem, because heap > allocations looks like saw (in max Heap allocations get about 5,5 GB then > they reduce to 2GB) > > > Also when i increase Heap Size to 7GB, situation stay mach better, but > nodes frozen still happens, and in gc.log I steel see: > > Total time for which application threads were stopped: 20.0686307 seconds > > lines (right not so often, like before) >
