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https://issues.apache.org/jira/browse/ZOOKEEPER-4792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andor Molnar reassigned ZOOKEEPER-4792:
---------------------------------------
Assignee: Yan Zhao
> Tune the env log at the start of the process
> --------------------------------------------
>
> Key: ZOOKEEPER-4792
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4792
> Project: ZooKeeper
> Issue Type: Improvement
> Components: server
> Affects Versions: 3.9.1
> Reporter: Yan Zhao
> Assignee: Yan Zhao
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.10
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> At the start of the process, it will print the env info in the log.
> There are three logs for the memory metrics.
> {code:java}
> // Get memory information.
> Runtime runtime = Runtime.getRuntime();
> int mb = 1024 * 1024;
> put(l, "os.memory.free", runtime.freeMemory() / mb + "MB");
> put(l, "os.memory.max", runtime.maxMemory() / mb + "MB");
> put(l, "os.memory.total", runtime.totalMemory() / mb + "MB");
> {code}
> https://github.com/apache/zookeeper/blob/9e40464d98319b4553d93b12c6d7db4d240bbce9/zookeeper-server/src/main/java/org/apache/zookeeper/Environment.java#L88-L90
> It's misleading for the user, use jvm as the prefix will be better.
> Change to:
> {code:java}
> // Get memory information.
> Runtime runtime = Runtime.getRuntime();
> int mb = 1024 * 1024;
> put(l, "jvm,.memory.free", runtime.freeMemory() / mb + "MB");
> put(l, "jvm.memory.max", runtime.maxMemory() / mb + "MB");
> put(l, "jvm.memory.total", runtime.totalMemory() / mb + "MB");
> {code}
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