+1 Chris Lohfink response I would also restate the following sentence "java GC pauses are pretty much a fact of life" to "Any GC based system pauses are pretty much a fact of life".
I would be more than happy to see if someone can counter prove. On Fri, Nov 25, 2016 at 1:41 PM, Chris Lohfink <clohfin...@gmail.com> wrote: > No tuning will eliminate gcs. > > 20-30 seconds is horrific and out of the ordinary. Most likely > implementing antipatterns and/or poorly configured. Sub 1s is realistic but > with some workloads still may require some tuning to maintain. Some > workloads are very unfriendly to GCs though (ie heavy tombstones, very wide > partitions). > > Chris > > On Fri, Nov 25, 2016 at 3:25 PM, S Ahmed <sahmed1...@gmail.com> wrote: > >> Hello! >> >> From what I understand java GC pauses are pretty much a fact of life, but >> you can tune the jvm to reduce the likelihood of the frequency and length >> of GC pauses. >> >> When using Cassandra, how frequent or long have these pauses known to >> be? Even with tuning, is it safe to assume they cannot be eliminated? >> >> Would a 20-30 second pause be something out of the ordinary? >> >> Thanks. >> > >
