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From "Jeremy Hanna (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3488) Secondary indexes still around 3 months after deleting them
Date Sun, 13 Nov 2011 09:39:51 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149267#comment-13149267
] 

Jeremy Hanna commented on CASSANDRA-3488:
-----------------------------------------

I also tried to update the column family information on one of the nodes where there are built
indexes, thinking that might jar it into getting the right column family information.  Unfortunately
there are still built indexes in the column family that I tried it on.
                
> Secondary indexes still around 3 months after deleting them
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-3488
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3488
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.4
>            Reporter: Jeremy Hanna
>              Labels: secondary_index
>
> We had an issue where we lost the data directories of two nodes.  So we re-bootstrapped
those two nodes into the cluster and did the repair.  During the repair, secondary indexes
were built as evidenced both in compactionstats and in the filesystem.  The problem is, we
haven't had secondary indexes on any of our column families for about 3 months now.  The history
there is that we were on 0.7.6, deleted the secondary indexes on that version, and upgraded
to 0.8.4 a bit later.  It bootstrapped and repaired last night and this morning, but it's
been a good 10 hours today of almost exclusively rebuilding secondary indexes that shouldn't
be there.

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