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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14743) Add metrics around HeapMemoryManager
Date Fri, 17 Jun 2016 06:08:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15335486#comment-15335486

stack commented on HBASE-14743:

Thanks for changing name to Memory. I tried the latest patch. I loaded data but all metrics
are zero in jvisualvm looking at the memory bean. Is your experience different? I just build
w/ the patch then launch local instance of hbase with ./bin/hbase start and then I launch
jvisualvm and look at the bean while I put some data in and flush. Thanks.

> Add metrics around HeapMemoryManager
> ------------------------------------
>                 Key: HBASE-14743
>                 URL: https://issues.apache.org/jira/browse/HBASE-14743
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Elliott Clark
>            Assignee: Reid Chan
>            Priority: Minor
>         Attachments: HBASE-14743.001.patch, HBASE-14743.002.patch, HBASE-14743.003.patch,
HBASE-14743.004.patch, HBASE-14743.005.patch, HBASE-14743.006.patch, HBASE-14743.007.patch,
HBASE-14743.008.patch, HBASE-14743.009.patch, HBASE-14743.009.rw3.patch, HBASE-14743.009.v2.patch,
Screen Shot 2016-06-16 at 5.39.13 PM.png
> it would be good to know how many invocations there have been.
> How many decided to expand memstore.
> How many decided to expand block cache.
> How many decided to do nothing.
> etc.
> When that's done use those metrics to clean up the tests.

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