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From "Alexey Zotov (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (CASSANDRA-4655) Truncate operation doesn't delete rows from HintsColumnFamily.
Date Tue, 26 Feb 2013 06:42:20 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-4655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexey Zotov reassigned CASSANDRA-4655:
---------------------------------------

    Assignee: Alexey Zotov
    
> Truncate operation doesn't delete rows from HintsColumnFamily.
> --------------------------------------------------------------
>
>                 Key: CASSANDRA-4655
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4655
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7.0
>         Environment: Centos 6.2, Cassandra 1.1.4 (DataStax distribution), three-nodes
cluster.
>            Reporter: Alexey Zotov
>            Assignee: Alexey Zotov
>            Priority: Minor
>              Labels: hintedhandoff, truncate
>             Fix For: 1.2.3
>
>         Attachments: cassandra-1.2-4655-hints_truncation.txt, cassandra-1.2-4655-hints_truncation-v2.txt
>
>
> Steps 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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