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MINOR: Update LinkedIn JVM tuning settings 

This is a follow-up as the previous update was missing some changes.

Author: Ismael Juma <ismael@juma.me.uk>

Reviewers: Todd Palino, Guozhang Wang

Closes #607 from ijuma/java-tuning-settings
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Ismael Juma 2015-12-01 11:16:33 -08:00 committed by Guozhang Wang
parent eafc349a1f
commit fb6ea6b179
1 changed files with 2 additions and 1 deletions
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@ -397,8 +397,9 @@ LinkedIn is currently running JDK 1.8 u5 (looking to upgrade to a newer version)
LinkedIn's tuning looks like this:
<pre>
-Xms4g -Xmx4g -XX:PermSize=48m -XX:MaxPermSize=48m -XX:+UseG1GC
-Xmx6g -Xms6g -XX:MetaspaceSize=96m -XX:+UseG1GC
-XX:MaxGCPauseMillis=20 -XX:InitiatingHeapOccupancyPercent=35 -XX:G1HeapRegionSize=16M
-XX:MinMetaspaceFreeRatio=50 -XX:MaxMetaspaceFreeRatio=80
</pre>
For reference, here are the stats on one of LinkedIn's busiest clusters (at peak):