KafKa - Broker JVM 优化

调整 JVM 参数

修改 kafka 启动脚本

$ vi /usr/local/kafka_2.13-3.6.0/bin/kafka-server-start.sh

调整启动参数

if [ "x$KAFKA_HEAP_OPTS" = "x" ]; then
    export KAFKA_HEAP_OPTS="-server -Xms4G -Xmx4G -XX:PermSize=256m -XX:+UseG1GC -XX:MaxGCPauseMillis=200 -XX:ParallelGCThreads=8 -XX:ConcGCThreads=5  -XX:InitiatingHeapOccupancyPercent=70"
    export JMX_PORT="9999"
fi