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From "Sylvain Lebresne (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-13366) Possible AssertionError in UnfilteredRowIteratorWithLowerBound
Date Thu, 23 Mar 2017 09:31:41 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-13366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sylvain Lebresne updated CASSANDRA-13366:
-----------------------------------------
    Fix Version/s:     (was: 3.11.x)
                   3.11.0

> Possible AssertionError in UnfilteredRowIteratorWithLowerBound
> --------------------------------------------------------------
>
>                 Key: CASSANDRA-13366
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13366
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Sylvain Lebresne
>            Assignee: Sylvain Lebresne
>             Fix For: 3.11.0
>
>
> In the code introduced by CASSANDRA-8180, we build a lower bound for a partition (sometimes)
based on the min clustering values of the stats file. We can't do that if the sstable has
and range tombston marker and the code does check that this is the case, but unfortunately
the check is done using the stats {{minLocalDeletionTime}} but that value isn't populated
properly in pre-3.0. This means that if you upgrade from 2.1/2.2 to 3.4+, you may end up getting
an exception like
> {noformat}
> WARN  [ReadStage-2] 2017-03-20 13:29:39,165  AbstractLocalAwareExecutorService.java:167
- Uncaught exception on thread Thread[ReadStage-2,5,main]: {}
> java.lang.AssertionError: Lower bound [INCL_START_BOUND(Foo, -9223372036854775808, -9223372036854775808)
]is bigger than first returned value [Marker INCL_START_BOUND(Foo)@1490013810540999] for sstable
/var/lib/cassandra/data/system/size_estimates-618f817b005f3678b8a453f3930b8e86/system-size_estimates-ka-1-Data.db
>     at org.apache.cassandra.db.rows.UnfilteredRowIteratorWithLowerBound.computeNext(UnfilteredRowIteratorWithLowerBound.java:122)
> {noformat}
> and this until the sstable is upgraded.



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