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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9430) Memstore heapSize calculation - DEEP_OVERHEAD is incorrect
Date Mon, 23 Sep 2013 15:28:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13774633#comment-13774633
] 

Hudson commented on HBASE-9430:
-------------------------------

SUCCESS: Integrated in hbase-0.96 #85 (See [https://builds.apache.org/job/hbase-0.96/85/])
HBASE-9430 Memstore heapSize calculation - DEEP_OVERHEAD is incorrect (anoopsamjohn: rev 1525571)
* /hbase/branches/0.96/hbase-common/src/main/java/org/apache/hadoop/hbase/util/ClassSize.java
* /hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/KeyValueSkipListSet.java
* /hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStore.java
* /hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/io/TestHeapSize.java

                
> Memstore heapSize calculation - DEEP_OVERHEAD is incorrect
> ----------------------------------------------------------
>
>                 Key: HBASE-9430
>                 URL: https://issues.apache.org/jira/browse/HBASE-9430
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 0.98.0, 0.94.13, 0.96.1
>
>         Attachments: HBASE-9430_94.patch, HBASE-9430.patch
>
>
> {code}
> expected += ClassSize.estimateBase(ConcurrentSkipListMap.class, false);
> expected += ClassSize.estimateBase(ConcurrentSkipListMap.class, false);
> expected += ClassSize.estimateBase(CopyOnWriteArraySet.class, false);
> expected += ClassSize.estimateBase(CopyOnWriteArrayList.class, false);
> {code}
> We need to consider the heap requirement for KeyValueSkipListSet.
> From where CopyOnWriteArraySet & CopyOnWriteArrayList is coming into picture?  I
am not able to follow.
> Also we need to consider the heap for TimeRangeTracker

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