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https://issues.apache.org/jira/browse/CASSANDRA-4785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13688542#comment-13688542
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Chris Tennant commented on CASSANDRA-4785:
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I noticed this or similar problem after changing caching on the table from
default 'keys_only' to 'all' using 'alter table' -- neither of the two
secondary indexes on the table then returned any rows. Before the alter table
to change caching, both secondary indexes worked every time. After I made the
change, neither of the indexes ever returned any rows (so not sporadic for me).
Rebuilding the indexes using nodetool after the caching change didn't help. I
did not try dropping the index and re-adding it.
Altering the table back to 'keys_only' didn't help, even when I rebuild the
indexes after the move back to 'keys_only'.
Recreating the tables with 'keys_only' caching solved the problem.
> Secondary Index Sporadically Doesn't Return Rows
> ------------------------------------------------
>
> Key: CASSANDRA-4785
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4785
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.1.5, 1.1.6
> Environment: Ubuntu 10.04
> Java 6 Sun
> Cassandra 1.1.5 upgraded from 1.1.2 -> 1.1.3 -> 1.1.5
> Reporter: Arya Goudarzi
>
> I have a ColumnFamily with caching = ALL. I have 2 secondary indexes on it. I
> have noticed if I query using the secondary index in the where clause,
> sometimes I get the results and sometimes I don't. Until 2 weeks ago, the
> caching option on this CF was set to NONE. So, I suspect something happened
> in secondary index caching scheme.
> Here are things I tried:
> 1. I rebuild indexes for that CF on all nodes;
> 2. I set the caching to KEYS_ONLY and rebuild the index again;
> 3. I set the caching to NONE and rebuild the index again;
> None of the above helped. I suppose the caching still exists as this behavior
> looks like cache mistmatch.
> I did a bit research, and found CASSANDRA-4197 that could be related.
> Please advice.
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