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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-11697) Improve the 'Too many blocks' message on UI blockcache status page
Date Thu, 07 Aug 2014 17:34:16 GMT
Andrew Purtell created HBASE-11697:
--------------------------------------

             Summary: 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
            Priority: Minor
             Fix For: 0.99.0, 2.0.0, 0.98.6
         Attachments: 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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