[jira] [Closed] (FLINK-11603) Port MetricQueryService to RpcEndpoint

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

     [ https://issues.apache.org/jira/browse/FLINK-11603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler closed FLINK-11603.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.9.0

master: 6e8a3f312919f8f088c132b13b727cb2188eacb5

> Port MetricQueryService to RpcEndpoint
> --------------------------------------
>
>                 Key: FLINK-11603
>                 URL: https://issues.apache.org/jira/browse/FLINK-11603
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Metrics
>            Reporter: TisonKun
>            Assignee: TisonKun
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.9.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Given that a series TODO mention {{This is a temporary hack until we have ported the MetricQueryService to the new RpcEndpoint}}, I'd like to give it a try to implement the RpcEndpoint version of MetricQueryService.
> Basically, port {{onRecieve}} to 
> 1. {{addMetric(metricName, metric, group)}}
> 2. {{removeMetric(metric)}}
> 3. {{createDump()}}
> And then adjust tests and replace {{metricServiceQueryPath}} with a corresponding {{RpcGateway}}.
> I'd like to learn that if the statement if true --- when we call a Runnable/Callable with runAsync/callAsync, then the Runnable/Callable is running in the main thread of the underlying RPC service, specifically, in the actor thread?



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