GitHub user nellboy opened a pull request:
https://github.com/apache/flink/pull/3366
Webui/watermarks tab
implement watermarks tab and display low watermarks on graph nodes.

You can merge this pull request into a Git repository by running:
$ git pull https://github.com/nellboy/flink webui/watermarks-tab
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3366.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 #3366
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commit 25874c6c60889d0e9dd5c491a6612957763f338f
Author: paul <[email protected]>
Date: 2017-02-16T10:25:45Z
[FLINK-3427] [webui] implements watermarks tab
commit 0bc569635b88cd69d72f8b792862c03570dcdced
Author: paul <[email protected]>
Date: 2017-02-16T10:57:26Z
[FLINK-3427] [webui] display watermarks index only instead of full id
commit 90f727ca1535e2d0be5302efe5b8a834d29f901c
Author: paul <[email protected]>
Date: 2017-02-20T09:54:12Z
[FLINK-3427] [webui] replace watermarks parsing in controller with filters
commit 9fb2d4205b1e59ffe5d538fee5092abb0354ee4c
Author: paul <[email protected]>
Date: 2017-02-20T09:58:35Z
[FLINK-3427] [webui] set watermarks to null on node change
commit 93a7a61c8b5852dbc3c86336b247d7e21421b662
Author: paul <[email protected]>
Date: 2017-02-20T17:08:45Z
[FLINK-3427] [webui] display low watermarks on node graph
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