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https://issues.apache.org/jira/browse/MESOS-2787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14567211#comment-14567211
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weitao zhou commented on MESOS-2787:
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patch: https://reviews.apache.org/r/34886/
> The exception "KeyError: 'mem_rss_bytes'" is being raised when run command
> mesos ps --master=<>
> ------------------------------------------------------------------------------------------------
>
> Key: MESOS-2787
> URL: https://issues.apache.org/jira/browse/MESOS-2787
> Project: Mesos
> Issue Type: Bug
> Components: cli, python api, slave, statistics, stout
> Affects Versions: 0.21.1, 0.22.0, 0.22.1
> Environment: ubuntu 14.04, mesos 0.21.1
> Reporter: weitao zhou
> Labels: easyfix, patch
>
> When I run the command *mesos ps --master=$MESOS-MASTER:5050*, the following
> exception raised:
> {code: title=exception.sh}
> File "/usr/bin/mesos-ps", line 232, in <module>
> main()
> File "/usr/bin/mesos-ps", line 217, in main
> sys.stdout.write(columns[4].truncate(mem(task, statistics)))
> File "/usr/bin/mesos-ps", line 93, in mem
> mem_rss_bytes = entry['statistics']['mem_rss_bytes']
> KeyError: 'mem_rss_bytes'
> {code}
> I tracked it and found that some mesos slave nodes can't return the
> statistics yet now. In my special case, the disk volumn of some my mesos
> slaves is 100% full.
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