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Aleksey Yeschenko edited comment on CASSANDRA-14766 at 9/25/18 2:41 PM: ------------------------------------------------------------------------ 3.0: [code|https://github.com/iamaleksey/cassandra/commits/14766-3.0], [CI|https://circleci.com/workflow-run/b86af556-5675-4a83-8de8-21941175608f] 3.11: [code|https://github.com/iamaleksey/cassandra/commits/14766-3.11], [CI|https://circleci.com/workflow-run/d23b37c9-225a-4e13-85fd-484bda81c37b] A small dtest for illustration (in addition to a regression unit test in C* repo) can be found [here|https://github.com/iamaleksey/cassandra-dtest/commits/14766]. was (Author: iamaleksey): 3.0: [code|https://github.com/iamaleksey/cassandra/commits/14766-3.0], [CI|https://circleci.com/workflow-run/a0331573-f2eb-43fd-a3c0-7388bafee566] 3.11: [code|https://github.com/iamaleksey/cassandra/commits/14766-3.11], [CI|https://circleci.com/workflow-run/1a858cdb-138d-471a-bef5-fc564a143fa4] A small dtest for illustration (in addition to a regression unit test in C* repo) can be found [here|https://github.com/iamaleksey/cassandra-dtest/commits/14766]. > DESC order reads can fail to return the last Unfiltered in the partition in a > legacy sstable > -------------------------------------------------------------------------------------------- > > Key: CASSANDRA-14766 > URL: https://issues.apache.org/jira/browse/CASSANDRA-14766 > Project: Cassandra > Issue Type: Bug > Components: Local Write-Read Paths > Reporter: Aleksey Yeschenko > Assignee: Aleksey Yeschenko > Priority: Major > Fix For: 3.0.x, 3.11.x > > > {{OldFormatDeserializer}}’s {{hasNext()}} method can and will consume two > {{Unfiltered}} from the underlying iterator in some scenarios - intentionally. > But in doing that it’s losing intermediate state of {{lastConsumedPosition}}. > If that last block, when iterating backwards, only has two {{Unfiltered}}, > the first one will be returned, and the last one won’t as the reverse > iterator would incorrectly things that the deserisalizer is past the index > block, despite still having one {{Unfiltered}} unreturned. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org