I’m seeing similar problems here. With 6.4.0, we were handling 6000 requests/minute. With 6.4.1 it is 1000 rpm with median response times around 2.5 seconds. I also switched to the G1 collector. I’m going to back that out and retest today to see if the performance comes back.
wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On Feb 13, 2017, at 4:46 AM, Ere Maijala <ere.maij...@helsinki.fi> wrote: > > Hi all, > > this is just a quick heads-up that we've stumbled on serious performance > issues after upgrading to Solr 6.4.1 apparently due to the new metrics > collection causing a major slowdown. I've filed an issue > (https://issues.apache.org/jira/browse/SOLR-10130) about it, but decided to > post this just so that anyone else doesn't need to encounter this unprepared. > It seems to me that metrics would need to be explicitly disabled altogether > in the index config to avoid the issue. > > --Ere
