[jira] [Assigned] (FLINK-9653) Add operator name to latency metrics

["vinoyang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-9653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

vinoyang reassigned FLINK-9653:
-------------------------------

    Assignee: vinoyang

> Add operator name to latency metrics
> ------------------------------------
>
>                 Key: FLINK-9653
>                 URL: https://issues.apache.org/jira/browse/FLINK-9653
>             Project: Flink
>          Issue Type: New Feature
>          Components: Metrics
>         Environment: All
>            Reporter: Julian Stephen
>            Assignee: vinoyang
>            Priority: Minor
>
> Currently the latency metrics reports latency between subtasks using this format: {{{{flink_taskmanager_job_latency_source_id_source_subtask_index_operator_id_operator_subtask_index_latency{ host="",instance="",job="", job_id="",job_name="",operator_id="",operator_subtask_index="0", quantile="0.99",source_id="",source_subtask_index="0",tm_id=""}}}}
> The request is to add {{operator_name}} along with {{operator_id}} to the metric labels.
> For a simple job, (e.g., {{source->map->sink)  }} you can see two sets of latency metrics. Each set shows all quantiles like (.5, .95..). Only thing different between the two sets is the {{operator_id}}. This makes sense assuming one {{operator_id}} belongs to the {{map}} operator and the other belongs to the {{sink}}.
>  Now the problem is that is no intuitive way to distinguish between the two (find out which operator_id is the {{map vs sink}}), just by looking at the metrics. 
> Assigning names to {{map}} and {{sink}} operator does not help. Even though these names show up in other metrics like {{numRecordsIn}}, the names does not show up in the latency metric.
> The feature request is to add {{operator_name}} along with {{operator_id}} to the metric label so that it can be easily used in dashboards and tracking.
>  
>  



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