Sylvain Lebresne created CASSANDRA-5284:
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Summary: Possible assertion triggered in SliceFromReadCommand
Key: CASSANDRA-5284
URL: https://issues.apache.org/jira/browse/CASSANDRA-5284
Project: Cassandra
Issue Type: Bug
Reporter: Sylvain Lebresne
Assignee: Sylvain Lebresne
Priority: Minor
Fix For: 1.1.11
In SliceFromReadCommand.maybeGenerateRetryCommand, the following assertion
{noformat}
assert maxLiveColumns <= count;
{noformat}
may actually fail. Namely, it asserts that no node has returned more columns
that what was asked for, which in general is true, but can not be if an
expiring column is counted as dead by the replica (but still send as a
tombstone) but, due to clock difference, is actually counted live by the
coordinator.
I note that this is similar to CASSANDRA-5149 in that fixing CASSANDRA-5149
would fix this too, but in the meantime, this edge case is harmless so there is
probably not much point in keeping the assertion.
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