Re: Best way to track cumulative GC pauses in Solr

2015-11-16 Thread Tom Evans
On Fri, Nov 13, 2015 at 4:50 PM, Walter Underwood wrote: > Also, what GC settings are you using? We may be able to make some suggestions. > > Cumulative GC pauses aren’t very interesting to me. I’m more interested in > the longest ones, 90th percentile, 95th, etc. > Any advice would be great, bu

Re: Best way to track cumulative GC pauses in Solr

2015-11-13 Thread Otis Gospodnetic
Hi Tom, SPM for SOLR should be helpful here. See http://sematext.com/spm Otis > On Nov 13, 2015, at 10:00, Tom Evans wrote: > > Hi all > > We have some issues with our Solr servers spending too much time > paused doing GC. From turning on gc debug, and extracting numbers from > the GC log,

Re: Best way to track cumulative GC pauses in Solr

2015-11-13 Thread Walter Underwood
Also, what GC settings are you using? We may be able to make some suggestions. Cumulative GC pauses aren’t very interesting to me. I’m more interested in the longest ones, 90th percentile, 95th, etc. wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On N

Re: Best way to track cumulative GC pauses in Solr

2015-11-13 Thread Shawn Heisey
On 11/13/2015 8:00 AM, Tom Evans wrote: > We have some issues with our Solr servers spending too much time > paused doing GC. From turning on gc debug, and extracting numbers from > the GC log, we're getting an idea of just how much of a problem. Try loading your gc log into gcviewer. https://git

Best way to track cumulative GC pauses in Solr

2015-11-13 Thread Tom Evans
Hi all We have some issues with our Solr servers spending too much time paused doing GC. From turning on gc debug, and extracting numbers from the GC log, we're getting an idea of just how much of a problem. I'm currently doing this in a hacky, inefficient way: grep -h 'Total time for which appl