indeed, helpful thanks! On Fri, Jun 3, 2016 at 9:31 PM, Spico Florin <spicoflo...@gmail.com> wrote:
> 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> 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> >>> 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 >>>> >>>> >>> >>
