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https://issues.apache.org/jira/browse/STORM-820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14935638#comment-14935638
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ASF GitHub Bot commented on STORM-820:
--------------------------------------

GitHub user d2r reopened a pull request:

    https://github.com/apache/storm/pull/554

    [STORM-820] Aggregate topo stats on nimbus, not ui

    

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

    $ git pull https://github.com/d2r/storm storm-820-agg-stats-on-nimbus

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

    https://github.com/apache/storm/pull/554.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 #554
    
----
commit a16b50c961a1272315dcc3340ae369c516e25235
Author: Derek Dagit <[email protected]>
Date:   2015-05-21T16:24:13Z

    Aggregate topo stats on nimbus, not ui

commit b3abf05f02305260cdcbf081a8fe7d7db4b03ce7
Author: Derek Dagit <[email protected]>
Date:   2015-05-22T19:49:00Z

    rename macro to be clearer that output is to logs

commit c1cc0bab5c9f0338b18cc431d36f8b5b465a195f
Author: Derek Dagit <[email protected]>
Date:   2015-05-22T19:50:59Z

    clearer docstrings

commit 40ddae268d7c56156db7ca164788f0625d48c505
Author: Derek Dagit <[email protected]>
Date:   2015-05-22T19:53:17Z

    do not use multimethods when it does not help

commit 1392b24fd9ccfe6d263839e5733b3f556039591e
Author: Derek Dagit <[email protected]>
Date:   2015-05-22T19:54:08Z

    preserve REST API calls

commit a6b82f8b52533476b645cfbb5a80638f98703103
Author: Derek Dagit <[email protected]>
Date:   2015-05-22T19:55:42Z

    Renumber thrift struct fields consistently from 1

commit 4b11f71b7e2fe45a62ad5a26d9d6bc32ebdec6df
Author: Derek Dagit <[email protected]>
Date:   2015-05-22T21:51:10Z

    define a constant var for literal

commit 6b606cf68f60858bdc9064c1fe50c873e6dd1971
Author: Derek Dagit <[email protected]>
Date:   2015-05-28T20:08:54Z

    handle cases when heartbeats lack stats metrics

commit 7a0c3eeeb5fbcbc5c32d47cca692cec103a68244
Author: Derek Dagit <[email protected]>
Date:   2015-09-04T17:23:06Z

    correct key name

commit 5266a167169cbc7e36a31d55772fdc7ac33ccf94
Author: Derek Dagit <[email protected]>
Date:   2015-09-22T21:39:11Z

    component page renders with partial heartbeats

----


> UI Topology & Component Pages have long load times with large, 
> highly-connected Topologies
> ------------------------------------------------------------------------------------------
>
>                 Key: STORM-820
>                 URL: https://issues.apache.org/jira/browse/STORM-820
>             Project: Apache Storm
>          Issue Type: Improvement
>    Affects Versions: 0.11.0
>            Reporter: Derek Dagit
>            Assignee: Derek Dagit
>
> In the UI, the Topology Page and the Component Page each make a 
> getTopologyInfoWithOpts thrift call to nimbus for executor heartbeat data. 
> Metrics from this data are then aggregated in by the UI daemon for display.
> When large topologies, with high-connectedness, are viewed in this way, the 
> load times for each page can be minutes long.  In addition, heap usage by the 
> nimbus JVM can grow substantially as data for each executor, component, & 
> stream is serialized to be sent to the UI.



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