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https://issues.apache.org/jira/browse/FLINK-25105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17469174#comment-17469174
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Anton Kalashnikov commented on FLINK-25105:
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[~gaoyunhaii], [~pnowojski], What is the status of this task? I see that PR is
merged already but the ticket still is in progress. I also see that this commit
is the reason for performance degradation:
----
*Before FLINK-25105*
"Benchmark","Mode","Threads","Samples","Score","Score Error
(99.9%)","Unit","Param: outputMode"
"org.apache.flink.benchmark.AsyncWaitOperatorBenchmark.asyncWait","thrpt",1,30,*1471.788898*,15.547273,"ops/ms",ORDERED
"org.apache.flink.benchmark.AsyncWaitOperatorBenchmark.asyncWait","thrpt",1,30,*1616.482907*,21.136931,"ops/ms",UNORDERED
"Benchmark","Mode","Threads","Samples","Score","Score Error (99.9%)","Unit"
"org.apache.flink.benchmark.ContinuousFileReaderOperatorBenchmark.readFileSplit","thrpt",1,30,*32962.046509*,938.778253,"ops/ms"
*After FLINK-25105*
"Benchmark","Mode","Threads","Samples","Score","Score Error
(99.9%)","Unit","Param: outputMode"
"org.apache.flink.benchmark.AsyncWaitOperatorBenchmark.asyncWait","thrpt",1,30,*844.115888*,179.259249,"ops/ms",ORDERED
"org.apache.flink.benchmark.AsyncWaitOperatorBenchmark.asyncWait","thrpt",1,30,*816.532647*,171.720407,"ops/ms",UNORDERED
"Benchmark","Mode","Threads","Samples","Score","Score Error (99.9%)","Unit"
"org.apache.flink.benchmark.ContinuousFileReaderOperatorBenchmark.readFileSplit","thrpt",1,30,*30335.000281*,1027.411003,"ops/ms"
----
Is this expected degradation or not? if not then we should handle it since it
is pretty significant difference.
> Enables final checkpoint by default
> -----------------------------------
>
> Key: FLINK-25105
> URL: https://issues.apache.org/jira/browse/FLINK-25105
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Checkpointing
> Affects Versions: 1.15.0
> Reporter: Yun Gao
> Assignee: Yun Gao
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.15.0
>
>
> We would fix all the conflict tests and enable the feature by default in this
> version.
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