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https://issues.apache.org/jira/browse/FLINK-17918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17120974#comment-17120974
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Arvid Heise commented on FLINK-17918:
-------------------------------------
Btw see this
[commit|https://github.com/apache/flink/commit/c05a0d865989c9959047cebcf2cd68b3838cc699]
for changes in the test setup, which reliably reproduces the failure on my
end. These values were especially tweaked for
org.apache.flink.table.planner.runtime.stream.sql.AggregateITCase#testDifferentTypesSumWithRetract
in flink-table-planner-blink.
> Blink Jobs are loosing data on recovery
> ---------------------------------------
>
> Key: FLINK-17918
> URL: https://issues.apache.org/jira/browse/FLINK-17918
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing, Table SQL / Runtime
> Affects Versions: 1.11.0
> Reporter: Piotr Nowojski
> Assignee: Arvid Heise
> Priority: Blocker
> Fix For: 1.11.0
>
>
> After trying to enable unaligned checkpoints by default, a lot of Blink
> streaming SQL/Table API tests containing joins or set operations are throwing
> errors that are indicating we are loosing some data (full records, without
> deserialisation errors). Example errors:
> {noformat}
> [ERROR] Failures:
> [ERROR] JoinITCase.testFullJoinWithEqualPk:775 expected:<List(1,1, 2,2,
> 3,3, null,4, null,5)> but was:<List(2,2, 3,3, null,1, null,4, null,5)>
> [ERROR] JoinITCase.testStreamJoinWithSameRecord:391 expected:<List(1,1,1,1,
> 1,1,1,1, 2,2,2,2, 2,2,2,2, 3,3,3,3, 3,3,3,3, 4,4,4,4, 4,4,4,4, 5,5,5,5,
> 5,5,5,5)> but was:<List()>
> [ERROR] SemiAntiJoinStreamITCase.testAntiJoin:352 expected:<0> but was:<1>
> [ERROR] SetOperatorsITCase.testIntersect:55 expected:<MutableList(1,1,Hi,
> 2,2,Hello, 3,2,Hello world)> but was:<List()>
> [ERROR] JoinITCase.testJoinPushThroughJoin:1272 expected:<List(1,0,Hi,
> 2,1,Hello, 2,1,Hello world)> but was:<List(2,1,Hello, 2,1,Hello world)>
> {noformat}
>
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