@@ -4,7 +4,7 @@ This section focuses on the configuration of the system (JVM/OS)
## **1 JVM Options** ##
The latest released version of JDK 1.8 is recommended. Set the same Xms and Xmx value to prevent the JVM from resizing the heap for better performance. A simple JVM configurations looks like this:
The latest released version of JDK 1.8 is recommended. Set the same Xms and Xmx value to prevent the JVM from resizing the heap for better performance. A simple JVM configuration is as follows:
-server -Xms8g -Xmx8g -Xmn4g
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@@ -24,13 +24,13 @@ As for garbage collection, G1 collector with JDK 1.8 is recommended:
These GC options looks a little aggressive, but it’s proved to have good performance in our production environment
Don’t set a too small value for -XX:MaxGCPauseMillis, otherwise JVM will use a small young generation to achieve this goal which will cause very frequent minor GC.So use rolling GC log file is recommended:
Don’t set a too small value for -XX:MaxGCPauseMillis, otherwise JVM will use a small young generation to achieve this goal which will cause very frequent minor GC.so rolling GC log file is recommended:
-XX:+UseGCLogFileRotation
-XX:NumberOfGCLogFiles=5
-XX:GCLogFileSize=30m
If write GC file will increase latency of broker, consider redirect GC log file to a memory file system:
If writing a GC file increases the latency of broker, please consider redirecting it to memory file system:
