Hi Shawn, Although our heap spaces are much less than yours (256M for 2x 2.5GB cores per node) we saw decreased throughput and higher latency with G1 on Java 6. You can also expect higher CPU consumption. You can check it very well with VisualVM attached.
Looking forward to your results. Markus -----Original message----- > From:Shawn Heisey <s...@elyograg.org> > Sent: Sun 20-Jan-2013 21:48 > To: solr-user@lucene.apache.org > Subject: Re: Long ParNew GC pauses - even when young generation is small > > On 1/18/2013 10:07 PM, Shawn Heisey wrote: > > I may try the G1 collector with Java 6 in production, since I am on the > > newest Oracle version. > > I am giving this a try on my secondary server set. An encouraging note: > The -XX:+UnlockExperimentalVMOptions option is no longer required to use > the G1 collector, at least on version 6u38. > > Thanks, > Shawn > >
