[jira] [Commented] (CASSANDRA-6315) Should not truncate old hintscolumnfamily when upgrade

["Boole Guo (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-6315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13816933#comment-13816933 ] 

Boole Guo commented on CASSANDRA-6315:
--------------------------------------

Resonable, but my services would stop and consume too much time for repair. This is important. I want to know if the hints would not droped, what is the result? Can I read it and devliver ?

> Should not truncate old hintscolumnfamily when upgrade
> ------------------------------------------------------
>
>                 Key: CASSANDRA-6315
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6315
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: Local Test
>            Reporter: Boole Guo
>
> When I upgrade C* from 1.1.9 to 1.2.6, I notice that the previous hintscolumnfamily would be directly truncated. 
> ColumnFamilyStore oldHintsCfs = table.getColumnFamilyStore(OLD_HINTS_CF);
>         if (oldHintsCfs.getSSTables().size() > 0)
>         {
>             logger.info("Possible old-format hints found. Truncating");
>             oldHintsCfs.truncate();
>         }



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