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From "Adam Holmberg (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-10007) Repeated rows in paged result
Date Thu, 06 Aug 2015 18:29:04 GMT
Adam Holmberg created CASSANDRA-10007:
-----------------------------------------

             Summary: Repeated rows in paged result
                 Key: CASSANDRA-10007
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10007
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Adam Holmberg
             Fix For: 3.x
         Attachments: paging-test.py

We noticed an anomaly in paged results while testing against 3.0.0-alpha1. It seems that unbounded
selects can return rows repeated at page boundaries. Furthermore, the number of repeated rows
seems to dither in count across consecutive runs of the same query.

I also noted that this behavior only manifests on multi-node clusters.

The attached script shows this behavior when run against 3.0.0-alpha1.





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