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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-15640) L1 cache doesn't give fair warning that it is showing partial stats only when it hits limit
Date Tue, 19 Apr 2016 22:19:25 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15640?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-15640:
--------------------------
    Attachment: bc.ui.v3.patch

Implement [~eclark] suggestion

> L1 cache doesn't give fair warning that it is showing partial stats only when it hits
limit
> -------------------------------------------------------------------------------------------
>
>                 Key: HBASE-15640
>                 URL: https://issues.apache.org/jira/browse/HBASE-15640
>             Project: HBase
>          Issue Type: Sub-task
>          Components: BlockCache
>            Reporter: stack
>            Assignee: stack
>         Attachments: Screen Shot 2016-04-12 at 4.21.50 PM.png, bc.ui (1).patch, bc.ui.patch,
bc.ui.v3.patch
>
>
> I was baffled looking at L1 Cache because it was stuck at 100k blocks and only 'loading'
3G of data according to the UI. When I looked in log, all the numbers looked write in the
Cache summary reported in log.
> Turns out our buckecache UI template will cut off calculating stats at a limit --which
is probably what we want -- but the fact that it has done this should be more plain.



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