Github user uce commented on the pull request:
https://github.com/apache/flink/pull/1830#issuecomment-200795802
Good catch! The changes look good to me.
I tried running the adjusted `RollingSinkFaultToleranceITCase` and
`RollingSinkFaultTolerance2ITCase` w/o the fix in `RollingSink` and they still
succeeded.
If this expected? Is there a way we can test this differently?
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