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From "Sam Tunnicliffe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-15178) Skipping illegal legacy cells can break reverse iteration of indexed partitions
Date Fri, 21 Jun 2019 10:48:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-15178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sam Tunnicliffe updated CASSANDRA-15178:
----------------------------------------
    Test and Documentation Plan: New unit tests & legacy sstables
                         Status: Patch Available  (was: In Progress)

> Skipping illegal legacy cells can break reverse iteration of indexed partitions
> -------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-15178
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15178
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Legacy/Local Write-Read Paths
>            Reporter: Sam Tunnicliffe
>            Assignee: Sam Tunnicliffe
>            Priority: Normal
>
> The fix for CASSANDRA-15086 interacts badly with the accounting of bytes read from disk
when indexed partitions are read in reverse. The skipped columns can cause the tracking of
where CQL rows span index block boundaries to be incorrectly calculated, leading to rows being
missing from read results.



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