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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2943) Confusing Bytes/Records "read" and "write" labels in WebUI job view
Date Tue, 03 Nov 2015 15:32:28 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14987467#comment-14987467
] 

ASF GitHub Bot commented on FLINK-2943:
---------------------------------------

GitHub user sachingoel0101 opened a pull request:

    https://github.com/apache/flink/pull/1323

    [FLINK-2943][web-dashboard] Confusing Bytes/Records "read" and "write" labels in WebUI
job view

    Also includes a hotfix for the taskmanager charts legend and FLINK-2903.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/sachingoel0101/flink frontend-fixes

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/1323.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1323
    
----
commit 2828ad71e647de9697e6ec07e409dda0805396da
Author: Sachin Goel <sachingoel0101@gmail.com>
Date:   2015-11-03T13:52:03Z

    [hotfix][web-dashboard] Fix taskmanager charts legend.
    
    [FLINK-2943][web-dashboard] Rename bytes/records read/written to
    received/sent for correctness and clarity.
    [FLINK-2903][web-dashboard] Format numeric values with commas for better
    readability.

----


> Confusing Bytes/Records "read" and "write" labels in WebUI job view
> -------------------------------------------------------------------
>
>                 Key: FLINK-2943
>                 URL: https://issues.apache.org/jira/browse/FLINK-2943
>             Project: Flink
>          Issue Type: Improvement
>          Components: Webfrontend
>    Affects Versions: 0.10
>            Reporter: Fabian Hueske
>              Labels: starter
>             Fix For: 0.10
>
>
> The job detail view of the WebUI shows the amount of data and records received from and
sent out by each individual operator. This information is very valuable, if correctly interpreted.

> However, the table headings for the corresponding columns ("Bytes read", "Records read",
"Bytes written", and "Records written") are confusing in my opinion because they do not indicate
that only incoming and outgoing data is tracked and disk IO is not considered at all. 
> For example, the UI shows no "Bytes/Records read" and only "Bytes/Records written" for
DataSources which I find counter-intuitive.
> I propose to rename these labels to either "X received" and "X sent" or "X incoming"
and "X outgoing" to make clear that this information only affects incoming and outgoing data.
> Opinions?



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