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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 03:37:51 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149213#comment-13149213
] 

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

I should clarify that the built indexes only shows up on those two nodes (doing 'show keyspaces;'
on the cli).  On another node in the cluster, none of the built indexes appear.
                
> 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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