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Posted to commits@cassandra.apache.org by "Marcus Eriksson (Jira)" <ji...@apache.org> on 2019/11/07 17:40:00 UTC
[jira] [Updated] (CASSANDRA-15405) Mixed mode reads on compact
storage tables can return incomplete results
[ https://issues.apache.org/jira/browse/CASSANDRA-15405?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcus Eriksson updated CASSANDRA-15405:
----------------------------------------
Bug Category: Parent values: Correctness(12982)Level 1 values: Transient Incorrect Response(12987)
Complexity: Normal
Discovered By: Unit Test
Fix Version/s: 3.11.x
3.0.x
Reviewers: Aleksey Yeschenko, Sam Tunnicliffe
Severity: Critical
Status: Open (was: Triage Needed)
> Mixed mode reads on compact storage tables can return incomplete results
> ------------------------------------------------------------------------
>
> Key: CASSANDRA-15405
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15405
> Project: Cassandra
> Issue Type: Bug
> Components: Legacy/Core
> Reporter: Marcus Eriksson
> Assignee: Marcus Eriksson
> Priority: Normal
> Fix For: 3.0.x, 3.11.x
>
>
> In mixed mode (2.1/3.0), when coordinating a read on a 2.1 node, reading data from 3.0 nodes, we [incorrectly trim|https://github.com/apache/cassandra/blob/53f604dc1789a800dbcbc3c8aee77f8f36b8b5db/src/java/org/apache/cassandra/db/LegacyLayout.java#L529] the result (if it has tombstones) when preparing it for the 2.1 node, this is then [interpreted by the 2.1 node|https://github.com/apache/cassandra/blob/cassandra-2.1/src/java/org/apache/cassandra/service/pager/AbstractQueryPager.java#L110] as the pager has been exhausted.
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