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https://issues.apache.org/jira/browse/FLINK-13813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16918441#comment-16918441
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lidesheng commented on FLINK-13813:
-----------------------------------
This is a counter, so rounding will not affect it's value.
> metrics is different between overview ui and metric response
> ------------------------------------------------------------
>
> Key: FLINK-13813
> URL: https://issues.apache.org/jira/browse/FLINK-13813
> Project: Flink
> Issue Type: Bug
> Environment: Flink 1.8.1 with hdfs
> Reporter: lidesheng
> Priority: Major
> Attachments: metrics.png, overview.png
>
>
> After a flink task is over, I get metrics by http request. The record count
> in response is different with job overview.After a flink task is over, I get
> metrics by http request. The record count in response is different with job
> overview.
> get http://x.x.x.x:8081/jobs/57969f3978edf3115354fab1a72fd0c8 returns:
> { "jid": "57969f3978edf3115354fab1a72fd0c8", "name":
> "3349_cjrw_1566177018152", "isStoppable": false, "state": "FINISHED", ...
> "vertices": [ \{ "id": "d1cdde18b91ef6ce7c6a1cfdfa9e968d", "name": "CHAIN
> DataSource (3349_cjrw_1566177018152/SOURCE/0) -> Map
> (3349_cjrw_1566177018152/AUDIT/0)", "parallelism": 1, "status": "FINISHED",
> ... "metrics": { "read-bytes": 0, "read-bytes-complete": true, "write-bytes":
> 555941888, "write-bytes-complete": true, "read-records": 0,
> "read-records-complete": true, "write-records": 5000000,
> "write-records-complete": true } ... } ... ] }}
> But, the metrics by
> http://x.x.x.x:8081/jobs/57969f3978edf3115354fab1a72fd0c8/vertices/d1cdde18b91ef6ce7c6a1cfdfa9e968d/metrics?get=0.numRecordsOut
> returns
> [\{"id":"0.numRecordsOut","value":"4084803"}]
> The overview record count is different with task metrics, please view the
> apppendix.
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