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From "Sylvain Lebresne (Commented) (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-3444) Secondary Index doesn't clean up indexed CFS on remove and Streaming test failure.
Date Mon, 07 Nov 2011 11:09:52 GMT


Sylvain Lebresne commented on CASSANDRA-3444:

I don't see 3437 v2 really addressing that in the sense that it seems to rename the method
to invalidate, but since invalidate leaves the index unusable, I still can't see any reason
for not clearing the indexes map in SIM a the end of invalidate. But it probably have no real
consequence so far, I just think it would avoid future problems. And the main goal of this
was to fix the test in trunk, which 3437 fixes too anyway, so I'm fine closing this.
> Secondary Index doesn't clean up indexed CFS on remove and Streaming test failure.
> ----------------------------------------------------------------------------------
>                 Key: CASSANDRA-3444
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.0.0
>            Reporter: Sylvain Lebresne
>            Assignee: Sylvain Lebresne
>            Priority: Trivial
>             Fix For: 1.0.3
>         Attachments: 0001-clean-indexes-post-remove-and-streaming-tests.patch
> The initial reason for that issue is because StreamingTransferTest is broken in trunk.
It has been broken by CASSANDRA-3116 because the latter is too efficient. More precisely StreamingTransferTest
create a CF with an index, then it calls unreferenceSSTables() on that CF to remove all sstable,
and then try a transfer (that recreate the file and index basically). But when unreferenceSSTables()
is called, it does fully remove the indexes in that the CFS object for the indexes stays.
Post CASSANDRA-3116, this is problem because that CFS has been invalidated and thus nothing
can be added back to it.
> Long story short, I believe that the fact that SecondaryIndexManager.removeAllIndex doesn't
really unreference the CFS objects is not expected in the first place. The patch fixes that
and update the StreamingTransferTest accordingly (fixing it as far as trunk is concerned).

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