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https://issues.apache.org/jira/browse/CASSANDRA-3107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13094704#comment-13094704
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Hudson commented on CASSANDRA-3107:
-----------------------------------

Integrated in Cassandra #1061 (See 
[https://builds.apache.org/job/Cassandra/1061/])
    add CompactionInfo.id field
patch by Stu Hood; reviewed by jbellis for CASSANDRA-3107

jbellis : 
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1163691
Files : 
* /cassandra/trunk/src/java/org/apache/cassandra/cache/AutoSavingCache.java
* 
/cassandra/trunk/src/java/org/apache/cassandra/db/compaction/CompactionInfo.java
* 
/cassandra/trunk/src/java/org/apache/cassandra/db/compaction/CompactionIterable.java
* 
/cassandra/trunk/src/java/org/apache/cassandra/db/compaction/CompactionManager.java
* 
/cassandra/trunk/src/java/org/apache/cassandra/db/index/SecondaryIndexBuilder.java


> CompactionInfo id is not stable
> -------------------------------
>
>                 Key: CASSANDRA-3107
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3107
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>            Priority: Minor
>             Fix For: 1.0
>
>         Attachments: 0001-Stable-id-for-CompactionInfo.txt
>
>
> The original intention of displaying the hashcode of the CompactionInfo for a 
> compaction was that it would be stable and unique for the lifetime of the 
> compaction. But at some point in the refactoring, we moved to 
> new-object-per-call, which means that the hashcode is not stable.
> Giving the CompactionInfo object an id field that can be generated from the 
> hashcode of the actual compaction task would solve this problem.

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