than you very much for sharing these. i hope that others will contribute. regards, florin
On Friday, June 3, 2016, Stephen Powis <spo...@salesforce.com> wrote: > Here's the flags we're using: > > -Xms3G -Xmx3G -XX:MaxPermSize=100M -Xloggc:gc-%ID%.log > -XX:+PrintGCDateStamps -XX:+PrintGCDetails -XX:+PrintTenuringDistribution > -XX:+PrintGCApplicationStoppedTime -XX:+DisableExplicitGC > -XX:+UseGCLogFileRotation > -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=50M -XX:+UseCompressedOops > -XX:+AlwaysPreTouch -XX:+UseG1GC > -XX:MaxGCPauseMillis=20 -XX:+HeapDumpOnOutOfMemoryError > -XX:HeapDumpPath=OOMDump-%ID%.log > > Here's a link to a GC log analysis (takes several minutes to load) > > http://gceasy.io/my-gc-report?p=L2hvbWUvcmFtL3VwbG9hZC9pbnN0YW5jZTEvc2hhcmVkLzIwMTYtNi0zL2djbG9nLnppcC0wLTU3LTE3 > > This is definitely outside the realm of my knowledge, so don't use this as > any kind of benchmark. > I'm curious if anyone can comment on any suggested adjustments? I feel like > we have a ton of churn > in our young gen, but really don't have the experience tuning java's GC or > any examples to compare it with. > > Thanks! > > > On Fri, Jun 3, 2016 at 3:41 PM, Otis Gospodnetić < > otis.gospodne...@gmail.com > <javascript:_e(%7B%7D,'cvml','otis.gospodne...@gmail.com');>> wrote: > >> Hi, >> >> +1 for G1 for large heaps where you are seeing big GC pauses. Works well >> for us. >> See: >> https://sematext.com/blog/2013/06/24/g1-cms-java-garbage-collector/ >> >> Otis >> -- >> Monitoring - Log Management - Alerting - Anomaly Detection >> Solr & Elasticsearch Consulting Support Training - http://sematext.com/ >> >> >> On Tue, May 31, 2016 at 5:21 AM, Spico Florin <spicoflo...@gmail.com >> <javascript:_e(%7B%7D,'cvml','spicoflo...@gmail.com');>> wrote: >> >>> Hello! >>> I would like the community the following: >>> 1. Are you using the G1 garbage collector for your workers/supervisors >>> in production? >>> 2. Have you observed any improvement added by adding this GC style? >>> 3. What are the JVM options that you are using and are a good fit for >>> you? >>> >>> Thank you in advance. >>> Regards, >>> Florin >>> >>> >> >
