[GitHub] sijie commented on a change in pull request #3650: Use less aggressive JVM memory settings in default config file

[GitBox <gi...@apache.org>]

sijie commented on a change in pull request #3650: Use less aggressive JVM memory settings in default config file
URL: https://github.com/apache/pulsar/pull/3650#discussion_r259186605
 
 

 ##########
 File path: conf/pulsar_env.sh
 ##########
 @@ -42,10 +42,13 @@
 # PULSAR_GLOBAL_ZK_CONF=
 
 # Extra options to be passed to the jvm
-PULSAR_MEM=${PULSAR_MEM:-"-Xms2g -Xmx2g -XX:MaxDirectMemorySize=4g"}
+PULSAR_MEM=${PULSAR_MEM:-"-Xmx2g -XX:MaxDirectMemorySize=2g -XX:+ExitOnOutOfMemoryError"}
 
 # Garbage collection options
-PULSAR_GC=" -XX:+UseG1GC -XX:MaxGCPauseMillis=10 -XX:+ParallelRefProcEnabled -XX:+UnlockExperimentalVMOptions -XX:+AggressiveOpts -XX:+DoEscapeAnalysis -XX:ParallelGCThreads=32 -XX:ConcGCThreads=32 -XX:G1NewSizePercent=50 -XX:+DisableExplicitGC -XX:-ResizePLAB"
+PULSAR_GC=" -XX:+UseG1GC"
+
+# Example of configuration with more aggressive options to reduce the GC pause times. Works well with higher heap sizes
 
 Review comment:
   same comments as above

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