ASF GitHub Bot logged work on BEAM-3485:

                Author: ASF GitHub Bot
            Created on: 13/Apr/18 12:28
            Start Date: 13/Apr/18 12:28
    Worklog Time Spent: 10m 
      Work Description: iemejia commented on issue #5124: [BEAM-3485] Fix split 
generation for Cassandra clusters
URL: https://github.com/apache/beam/pull/5124#issuecomment-381116342
   Thanks for this contribution @adejanovski Please next time try to sync with 
the person who has the JIRA ticket assigned before submitting the PR to avoid 
possible conflicts and wasted work.

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Issue Time Tracking

    Worklog Id:     (was: 90796)
    Time Spent: 1h  (was: 50m)

> 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
>  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 thatĀ 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 ensureĀ good code coverage in an IT against a 
> real Cassandra instance.

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