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From "Mikhail Antonov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-12001) Provide additional option to calculate actual object size
Date Wed, 17 Sep 2014 06:53:34 GMT
Mikhail Antonov created HBASE-12001:
---------------------------------------

             Summary: Provide additional option to calculate actual object size
                 Key: HBASE-12001
                 URL: https://issues.apache.org/jira/browse/HBASE-12001
             Project: HBase
          Issue Type: Improvement
          Components: util
    Affects Versions: 2.0.0
            Reporter: Mikhail Antonov


(May be it was discussed elsewhere and I missed it, in that case I'm sorry :) )
Currently there's HeapSize interface, marked as the one useful to measure caches, and some
implementation thereof computing the sizes of different objects.

I was thinking to attached something like https://code.google.com/p/memory-measurer/ and provide
sort of default implementaiton of HeapSize which can measure the size of arbitrary object
in bytes. Would require a javaagent to be hooked up.

Thoughts?



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