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Vyacheslav Daradur edited comment on IGNITE-4374 at 1/9/17 5:09 PM: -------------------------------------------------------------------- Check of "Basic JVM Configuration" added. Options are checked: {code} -server -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+UseTLAB -XX:NewSize=128m -XX:MaxNewSize=128m -XX:MaxTenuringThreshold=0 -XX:SurvivorRatio=1024 -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=60 -XX:+DisableExplicitGC {code} Link to the tuning article added to output. !https://issues.apache.org/jira/secure/attachment/12846372/check-output.png|thumbnail! If the community approves this approach I will develop checks for ON_HEAP and OFF_HEAP "Advanced JVM Configuration" was (Author: daradurvs): Check of "Basic JVM Configuration" added. Options are checked: {code} -server -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+UseTLAB -XX:NewSize=128m -XX:MaxNewSize=128m -XX:MaxTenuringThreshold=0 -XX:SurvivorRatio=1024 -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=60 -XX:+DisableExplicitGC {code} Link to the tuning article added to output. !check-output.png|thumbnail! If the community approves this approach I will develop checks for ON_HEAP and OFF_HEAP "Advanced JVM Configuration" > Ignite should validate JVM and OS configuration and output warning in log > ------------------------------------------------------------------------- > > Key: IGNITE-4374 > URL: https://issues.apache.org/jira/browse/IGNITE-4374 > Project: Ignite > Issue Type: Improvement > Components: documentation > Reporter: Yakov Zhdanov > Assignee: Vyacheslav Daradur > Attachments: check-output.png > > > Currently we have GridPerformanceSuggestions that output suggestions to logs > on Ignite start on how Ignite can be improved. > I suggest to go a little bit deeper and validate more configuration options > and add validation for JVM and OS settings. > Ignite should output warning if: > * GC logging is not enabled > * MaxDirectMemorySize is not set (-XX:MaxDirectMemorySize) > * Heap size is greater than 30,5G and JVM cannot use compressed oops > * Any of the recommended OS setting described here > https://apacheignite.readme.io/docs/jvm-and-system-tuning are not properly > set -- This message was sent by Atlassian JIRA (v6.3.4#6332)