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Posted to issues@ambari.apache.org by "Sumit Mohanty (JIRA)" <ji...@apache.org> on 2017/04/18 00:37:42 UTC
[jira] [Updated] (AMBARI-19907) On certain actions, there's no
feedback from the UI when API takes a long time to respond - not reassuring
and the user is encouraged to keep triggering the same heavy action to make
the problem worse
[ https://issues.apache.org/jira/browse/AMBARI-19907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sumit Mohanty updated AMBARI-19907:
-----------------------------------
Fix Version/s: 2.4.3
> On certain actions, there's no feedback from the UI when API takes a long time to respond - not reassuring and the user is encouraged to keep triggering the same heavy action to make the problem worse
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-19907
> URL: https://issues.apache.org/jira/browse/AMBARI-19907
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.5.0
> Reporter: Vivek Ratnavel Subramanian
> Assignee: Vivek Ratnavel Subramanian
> Priority: Critical
> Fix For: 2.5.0, 2.4.3
>
> Attachments: AMBARI-19907_branch-2.5_final.patch, AMBARI-19907_fix1.patch, AMBARI-19907_trunk_final.patch, AMBARI-19907.v0.branch-2.5.patch, AMBARI-19907.v1.patch
>
>
> On a big cluster, it takes the server a long time to process the API request for certain operations, like "Stop All", "Start All", etc.
> On a small cluster, the "background operations" popup appears within a few seconds to acknowledge to the user that the server is working on handling the request.
> However, when the cluster gets bigger and the request API takes the server much longer (e.g., on a 1000-node cluster, it took ~35 seconds), there's no indication on the UI that the server received the request. This is not reassuring to the user and the user is tempted to keep re-triggering the action and overwhelming the server.
> This problem is not just for "Start All", "Stop All". This problem actually happens for "Stop" and "Start" of a single service as well (and likely other places, like Hosts / Host Detail pages.) On the 1000-node cluster, this takes about 6-7 seconds, enough to make the user wonder if the request got to the server or not.
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