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https://issues.apache.org/jira/browse/FLINK-14740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16973194#comment-16973194
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lining commented on FLINK-14740:
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cc [~chesnay]
> Create OperatorID for OperatorMetricGroup which in batch job
> -------------------------------------------------------------
>
> Key: FLINK-14740
> URL: https://issues.apache.org/jira/browse/FLINK-14740
> Project: Flink
> Issue Type: Wish
> Components: Runtime / Metrics
> Reporter: lining
> Priority: Major
>
> Now OperatorMetricGroup which in batch job use VertexId as OperatorId. For
> chain operator, they'll use the same id, if two chain operators which have
> same name. It's no good. We could update in JobGraphGenerator.compileJobGraph
> {code:java}
> for (TaskInChain tic : this.chainedTasksInSequence) {
> TaskConfig t = new
> TaskConfig(tic.getContainingVertex().getConfiguration());
> Integer nodeId = tic.getPlanNode().getOptimizerNode().getId();
> OperatorID operatorID = this.nodeId2OperatorId.get(nodeId);
> if(operatorID == null) {
> operatorID = new OperatorID();
> this.nodeId2OperatorId.put(nodeId, operatorID);
> }
> t.addChainedTask(tic.getChainedTask(), tic.getTaskConfig(),
> tic.getTaskName(), operatorID.toString());
> }
> {code}
> Then we could get id from TaskInfo.
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