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https://issues.apache.org/jira/browse/FLINK-31396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuxin Tan reassigned FLINK-31396:
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Assignee: Yuxin Tan
> Occasional inaccurate timeout time calculation with System.nanotime in batch
> read buffer pool
> ---------------------------------------------------------------------------------------------
>
> Key: FLINK-31396
> URL: https://issues.apache.org/jira/browse/FLINK-31396
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network
> Affects Versions: 1.18.0
> Reporter: Yuxin Tan
> Assignee: Yuxin Tan
> Priority: Minor
>
> When running TPC-DS tests, I encountered the read buffer request timeout
> because of configuring too less read buffers. But I found the timeout time
> may be less than 5m occasionally, 5m is the expected time.
> I read the docs of System.nanotime, the docs say that t1 < t0 should not be
> used, because of the possibility of numerical overflow. I tested the
> System.currentTimeMillis and it can work as expected.
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