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From "Benedict (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-11017) WaitingOnFreeMemtableSpace metric does nothing
Date Wed, 27 Jan 2016 15:38:39 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-11017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15119623#comment-15119623
] 

Benedict commented on CASSANDRA-11017:
--------------------------------------

Yes, looks like it hasn't been wired up.  It should be passing a timer context into the {{MemtableAllocator.SubAllocator}}'s
{{parent.hasRoom().register()}} call, inside of {{allocate}}. 

It would require passing a reference to the histogram in the {{SubAllocator}} constructor,
so that we can construct a timer context when necessary.

> WaitingOnFreeMemtableSpace metric does nothing
> ----------------------------------------------
>
>                 Key: CASSANDRA-11017
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11017
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Observability
>            Reporter: Chris Lohfink
>            Priority: Minor
>
> I think it was added in https://issues.apache.org/jira/browse/CASSANDRA-5549 but never
actually used. I may be missing something though. Not sure where this should be wired in or
if it should just be removed?



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