[jira] [Resolved] (HBASE-11697) Improve the 'Too many blocks' message on UI blockcache status page

["Andrew Purtell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-11697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell resolved HBASE-11697.
------------------------------------

      Resolution: Fixed
    Hadoop Flags: Reviewed

Committed to 0.98+

> Improve the 'Too many blocks' message on UI blockcache status page
> ------------------------------------------------------------------
>
>                 Key: HBASE-11697
>                 URL: https://issues.apache.org/jira/browse/HBASE-11697
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Andrew Purtell
>            Assignee: Mikhail Antonov
>            Priority: Minor
>             Fix For: 0.99.0, 2.0.0, 0.98.6
>
>         Attachments: HBASE-11697.patch, TooManyBlocks.png
>
>
> If metrics calculations over blockcache contents stopped after examining hbase.ui.blockcache.by.file.max items, the UI will put up a message. However, this notion of "too many blocks" / fullness refers to structures used for calculating blockcache metrics. See BlockCacheUtil. We should improve this message so it does not leave a user the impression the blockcache may be in a bad state.



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