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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3900) Expose progress of a major compaction in UI and/or in shell
Date Sat, 27 Aug 2011 13:34:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13092294#comment-13092294
] 

Ted Yu commented on HBASE-3900:
-------------------------------

Here is addendum I committed:
{code}
Index: src/main/java/org/apache/hadoop/hbase/regionserver/Store.java
===================================================================
--- src/main/java/org/apache/hadoop/hbase/regionserver/Store.java       (revision 1162317)
+++ src/main/java/org/apache/hadoop/hbase/regionserver/Store.java       (working copy)
@@ -1765,7 +1765,7 @@
   }
 
   public static final long FIXED_OVERHEAD = ClassSize.align(
-      ClassSize.OBJECT + (15 * ClassSize.REFERENCE) +
+      ClassSize.OBJECT + (16 * ClassSize.REFERENCE) +
       (8 * Bytes.SIZEOF_LONG) + (1 * Bytes.SIZEOF_DOUBLE) +
       (6 * Bytes.SIZEOF_INT) + (3 * Bytes.SIZEOF_BOOLEAN));
{code}

> Expose progress of a major compaction in UI and/or in shell
> -----------------------------------------------------------
>
>                 Key: HBASE-3900
>                 URL: https://issues.apache.org/jira/browse/HBASE-3900
>             Project: HBase
>          Issue Type: Task
>            Reporter: stack
>            Assignee: Brad Anderson
>              Labels: patch
>             Fix For: 0.92.0
>
>         Attachments: HBASE-3900.patch
>
>
> A general recommendation is to turn off major compactions and run them externally only
currently the only way to follow progress of a major compaction is by study of regionserver
logs.  Add a feature that gives a percentage complete of major compaction up in the UI or
in shell.

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