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https://issues.apache.org/jira/browse/BEAM-3485?focusedWorklogId=90813&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-90813
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ASF GitHub Bot logged work on BEAM-3485:
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Author: ASF GitHub Bot
Created on: 13/Apr/18 13:41
Start Date: 13/Apr/18 13:41
Worklog Time Spent: 10m
Work Description: adejanovski commented on issue #5124: [BEAM-3485] Fix
split generation for Cassandra clusters
URL: https://github.com/apache/beam/pull/5124#issuecomment-381138950
Hi @iemejia, I was actually working on BEAM-4049 when I noticed that split
generation was broken.
Since I could tackle it in a very short time, that there didn't seem to be
activity on the ticket and that the tickets seem to be assigned automatically
upon creation, I assumed it was ok to send a PR.
I'll follow your guidelines in the future and get a green light before
working on existing tickets.
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Issue Time Tracking
-------------------
Worklog Id: (was: 90813)
Time Spent: 1h 20m (was: 1h 10m)
> CassandraIO.read() splitting produces invalid queries
> -----------------------------------------------------
>
> Key: BEAM-3485
> URL: https://issues.apache.org/jira/browse/BEAM-3485
> Project: Beam
> Issue Type: Bug
> Components: io-java-cassandra
> Reporter: Eugene Kirpichov
> Assignee: Alexey Romanenko
> Priority: Major
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> See
> [https://stackoverflow.com/questions/48090668/how-to-increase-dataflow-read-parallelism-from-cassandra/48131264?noredirect=1#comment83548442_48131264]
> As the question author points out, the error is likely that token($pk) should
> be token(pk). This was likely masked by BEAM-3424 and BEAM-3425, and the
> splitting code path effectively was never invoked, and was broken from the
> first PR - so there are likely other bugs.
> When testing this issue, we must ensure good code coverage in an IT against a
> real Cassandra instance.
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