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https://issues.apache.org/jira/browse/FLINK-18850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17181153#comment-17181153
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ZhuShang commented on FLINK-18850:
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hi [~libenchao], can i take this,if no one else working on this issus.
my solution is : when the element is late to be droped,inc the
numLateRecordsDropped accumulator.
like this
{code:java}
org.apache.flink.table.runtime.operators.window.WindowOperator
if (isElementDropped) {
numLateRecordsDropped.inc();// ← add here
// markEvent will increase numLateRecordsDropped
lateRecordsDroppedRate.markEvent();
}
{code}
what do you think?
> Add late records dropped metric for row time over windows
> ---------------------------------------------------------
>
> Key: FLINK-18850
> URL: https://issues.apache.org/jira/browse/FLINK-18850
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Runtime
> Reporter: Benchao Li
> Priority: Major
> Labels: Starter
>
> Currently all the row time over windows in blink planner runtime discards
> late records silently, it would be good to have a metric about the late
> records dropping.
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