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From "Alexey Zotov (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-4655) Truncate operation doesn't delete rows from HintsColumnFamily.
Date Wed, 12 Sep 2012 13:49:07 GMT
Alexey Zotov created CASSANDRA-4655:

             Summary: Truncate operation doesn't delete rows from HintsColumnFamily.
                 Key: CASSANDRA-4655
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.1.4
         Environment: Centos 6.2, Cassandra 1.1.4 (DataStax distribution), three-nodes cluster.
            Reporter: Alexey Zotov
            Priority: Minor

Step to reproduce:
1. Start writing of data to some column family, let name it 'MyCF'
2. Stop 1 node
3. Wait some time (until some data will be collected in HintsColumnFamily)
4. Start node (HintedHandoff will be started automatically for 'MyCF')
5. Run 'truncate' command for 'MyCF' column family from command from cli
6. Wait until truncate will be finished
7. You will see that 'MyCF' is not empty because HintedHandoff is copying data 

So, I suggest to clean HintsColumnFamily (for truncated column family) before we had started
to discard sstables. 
I think it should be done in CompactionManager#submitTrucate() method. I can try to create
patch but I need to know right way of cleaning HintsColumnFamily. Could you clarify it?

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