[jira] [Resolved] (CASSANDRA-12221) Maximum Memory Usage Reached - NoSpamLogger

["Sylvain Lebresne (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-12221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sylvain Lebresne resolved CASSANDRA-12221.
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    Resolution: Not A Problem

As said above, that sounds like a question for the mailing list first, but there doesn't really seems to be a problem at first glance.

> Maximum Memory Usage Reached - NoSpamLogger
> -------------------------------------------
>
>                 Key: CASSANDRA-12221
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12221
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: CentOS 6.8 x86_64, Cassandra-3.0.7
>            Reporter: vin01
>            Priority: Minor
>
> I see some logs which look like :-
> INFO  [SharedPool-Worker-22] 2016-07-17 22:03:02,725 NoSpamLogger.java:91 - Maximum memory usage reached (536870912 bytes), cannot allocate chunk of 1048576 bytes
> INFO  [SharedPool-Worker-33] 2016-07-17 22:18:02,747 NoSpamLogger.java:91 - Maximum memory usage reached (536870912 bytes), cannot allocate chunk of 1048576 bytes
> INFO  [SharedPool-Worker-35] 2016-07-17 22:33:02,829 NoSpamLogger.java:91 - Maximum memory usage reached (536870912 bytes), cannot allocate chunk of 1048576 bytes
> INFO  [SharedPool-Worker-31] 2016-07-17 22:48:02,834 NoSpamLogger.java:91 - Maximum memory usage reached (536870912 bytes), cannot allocate chunk of 1048576 bytes
> When i get these logs, CPU usage is quite high on the system.
> Are they expected? Log message also seems confusing and i am not sure what memory we are talking about here..



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