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From "Ryan McGuire (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6924) Data Inserted Immediately After Secondary Index Creation is not Indexed
Date Mon, 31 Mar 2014 18:27:17 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13955489#comment-13955489
] 

Ryan McGuire commented on CASSANDRA-6924:
-----------------------------------------

I ported [~thobbs]' pycassa test to [a CQL based dtest|https://github.com/riptano/cassandra-dtest/commit/36960090d219ab8dbc7f108faa91c3ea5cea2bec].
It's failing on 1.2, 2.0, and 2.1 HEAD.

> Data Inserted Immediately After Secondary Index Creation is not Indexed
> -----------------------------------------------------------------------
>
>                 Key: CASSANDRA-6924
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6924
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Tyler Hobbs
>             Fix For: 2.0.7
>
>         Attachments: repro.py
>
>
> The head of the cassandra-1.2 branch (currently 1.2.16-tentative) contains a regression
from 1.2.15.  Data that is inserted immediately after secondary index creation may never get
indexed.
> You can reproduce the issue with a [pycassa integration test|https://github.com/pycassa/pycassa/blob/master/tests/test_autopacking.py#L793]
by running:
> {noformat}
> nosetests tests/test_autopacking.py:TestKeyValidators.test_get_indexed_slices
> {noformat}
> from the pycassa directory.
> The operation order goes like this:
> # create CF
> # create secondary index
> # insert data
> # query secondary index
> If a short sleep is added in between steps 2 and 3, the data gets indexed and the query
is successful.
> If a sleep is only added in between steps 3 and 4, some of the data is never indexed
and the query will return incomplete results.  This appears to be the case even if the sleep
is relatively long (30s), which makes me think the data may never get indexed.



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