liuruiyiyang commented on issue #393: Polish the default JVM options for namesrv and broker (for Linux/MacOS) servers URL: https://github.com/apache/rocketmq/pull/393#issuecomment-515826142 In Cassandra, the default JVM MAX heap size=max(min(1/2 ram, 1024MB), min(1/4 ram, 8GB)). Maybe it is better if we also add a threshold value of MAX size, in case the JVM using unnecessary large memory when deploying on a large memory machine. For example, may use nearly 120GB on 512GB machine, but usually, we do not need 120GB JVM, right?
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