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From "yuqi (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (FLINK-9453) Flink 1.5 incorrectly shows statistics in web UI
Date Tue, 29 May 2018 01:46:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-9453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

yuqi reassigned FLINK-9453:
---------------------------

    Assignee: yuqi

> Flink 1.5 incorrectly shows statistics in web UI
> ------------------------------------------------
>
>                 Key: FLINK-9453
>                 URL: https://issues.apache.org/jira/browse/FLINK-9453
>             Project: Flink
>          Issue Type: Bug
>          Components: Streaming, Web Client, Webfrontend
>    Affects Versions: 1.5.0
>            Reporter: Andrei Shumanski
>            Assignee: yuqi
>            Priority: Major
>         Attachments: Flink_1.4.PNG, Flink_1.5.PNG
>
>
> Flink 1.5.0 incorrectly shows execution statistics and differently from Flink 1.4.1.
> I attach screenshots from both versions. It looks like 1.5.0 sums all steps in operators
connected with "forward()". It makes it impossible to understand how much data was actually
consumed.
> My test code:
>  
> {code:java}
> public static void main(String[] args) throws Exception {
> StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
> List<Integer> input = new ArrayList<>();
> input.add(1);
> input.add(2);
> input.add(3);
> input.add(4);
> input.add(5);
> DataStream<Integer> stream = env.fromCollection(input).rebalance();
> stream.map(i -> i+1).name("incr").forward().map(i -> i-1).name("decr").forward().print();
> env.execute();
> }
> {code}
>  



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