[jira] [Commented] (FLINK-7246) Big latency shown on operator.latency

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

    [ https://issues.apache.org/jira/browse/FLINK-7246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16105056#comment-16105056 ] 

Stephan Ewen commented on FLINK-7246:
-------------------------------------

Have a look here, please to see the impact on latency parameters: https://ci.apache.org/projects/flink/flink-docs-master/dev/datastream_api.html#controlling-latency


We are currently changing this so that this parameter is not needed and you always get lower latency.

> Big latency shown on operator.latency
> -------------------------------------
>
>                 Key: FLINK-7246
>                 URL: https://issues.apache.org/jira/browse/FLINK-7246
>             Project: Flink
>          Issue Type: Bug
>          Components: DataStream API, Metrics
>    Affects Versions: 1.2.1
>         Environment: Local
>            Reporter: yinhua.dai
>
> I was running flink 1.2.1, and I have set metrics reporter to JMX to check latency of my job.
> But the result is that the latency I observerd is over 100ms even there is no processing in my job.
> And then I ran the example SocketWordCount streaming job, and again I saw the latency is over 100ms, I am wondering if there is something misconfiguration or problems.
> I was using start-local.bat and flink run to start up the job, all with default configs.
> Thank you in advance.



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