[jira] [Updated] (FLINK-21858) TaskMetricGroup taskName is too long, especially in sql tasks.

["Flink Jira Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-21858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flink Jira Bot updated FLINK-21858:
-----------------------------------
    Labels: auto-unassigned stale-major  (was: auto-unassigned)

I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help the community manage its development. I see this issues has been marked as Major but is unassigned and neither itself nor its Sub-Tasks have been updated for 30 days. I have gone ahead and added a "stale-major" to the issue". If this ticket is a Major, please either assign yourself or give an update. Afterwards, please remove the label or in 7 days the issue will be deprioritized.


> TaskMetricGroup taskName is too long, especially in sql tasks.
> --------------------------------------------------------------
>
>                 Key: FLINK-21858
>                 URL: https://issues.apache.org/jira/browse/FLINK-21858
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Metrics
>    Affects Versions: 1.12.0, 1.12.1, 1.12.2
>            Reporter: Andrew.D.lin
>            Priority: Major
>              Labels: auto-unassigned, stale-major
>
> Now operatorName is limited to 80 by org.apache.flink.runtime.metrics.groups.TaskMetricGroup#METRICS_OPERATOR_NAME_MAX_LENGTH.
> So propose to limit the maximum length of metric name by configuration.
>  
> Here is an example:
>  
> "taskName":"GlobalGroupAggregate(groupBy=[dt, src, src1, src2, src3, ct1, ct2], select=[dt, src, src1, src2, src3, ct1, ct2, SUM_RETRACT((sum$0, count$1)) AS sx_pv, SUM_RETRACT((sum$2, count$3)) AS sx_uv, MAX_RETRACT(max$4) AS updt_time, MAX_RETRACT(max$5) AS time_id]) -> Calc(select=[((MD5((dt CONCAT _UTF-16LE'|' CONCAT src CONCAT _UTF-16LE'|' CONCAT src1 CONCAT _UTF-16LE'|' CONCAT src2 CONCAT _UTF-16LE'|' CONCAT src3 CONCAT _UTF-16LE'|' CONCAT ct1 CONCAT _UTF-16LE'|' CONCAT ct2 CONCAT _UTF-16LE'|' CONCAT time_id)) SUBSTR 1 SUBSTR 2) CONCAT _UTF-16LE'_' CONCAT (dt CONCAT _UTF-16LE'|' CONCAT src CONCAT _UTF-16LE'|' CONCAT src1 CONCAT _UTF-16LE'|' CONCAT src2 CONCAT _UTF-16LE'|' CONCAT src3 CONCAT _UTF-16LE'|' CONCAT ct1 CONCAT _UTF-16LE'|' CONCAT ct2 CONCAT _UTF-16LE'|' CONCAT time_id)) AS rowkey, sx_pv, sx_uv, updt_time]) -> LocalGroupAggregate(groupBy=[rowkey], select=[rowkey, MAX_RETRACT(sx_pv) AS max$0, MAX_RETRACT(sx_uv) AS max$1, MAX_RETRACT(updt_time) AS max$2, COUNT_RETRACT(*) AS count1$3])"
> "operatorName":"GlobalGroupAggregate(groupBy=[dt, src, src1, src2, src3, ct1, ct2], selec=[dt, s"
>  



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