[jira] [Comment Edited] (HBASE-25469) Create RIT servlet in HMaster to track more detailed RIT info not captured in metrics

["Caroline Zhou (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-25469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17388214#comment-17388214 ] 

Caroline Zhou edited comment on HBASE-25469 at 7/27/21, 5:44 PM:
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[~apurtell] [~stack] [~tianjingyun] [~bharathv] [~vjasani] Please take a look. Added a few fields to the rit.jsp page as well as created a new servlet to serve individual RIT information as json (RIT info in one place, can be parsed for metrics). A couple of things to consider/I would like your feedback on:
 * Any other fields we should add to the json output? (Aggregates like ritCount, ritCountOverThreshold, etc. can be found in AssignmentManager metrics so I didn't include those here, but we could also provide counts by RIT state/by server.)
 * Should we include the ability for the json to display only RIT over threshold/RITs grouped by state or server name?

I would also like to backport this to branch-1, after master PR is approved.

Thanks.


was (Author: caroliney14):
[~apurtell] [~stack] [~tianjingyun] [~bharathv] [~vjasani] Please take a look. Added a few fields to the rit.jsp page as well as created a new servlet to serve individual RIT information as json (RIT info in one place, can be parsed for metrics). A couple of things to consider/I would like your feedback on:
 * Any other fields we should add to the json output? (Aggregates like ritCount, ritCountOverThreshold, etc. can be found in AssignmentManager metrics so I didn't include those here.)
 * Should we include the ability for the json to display only RIT over threshold/RITs grouped by state or server name?

I would also like to backport this to branch-1, after master PR is approved.

Thanks.

> Create RIT servlet in HMaster to track more detailed RIT info not captured in metrics
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-25469
>                 URL: https://issues.apache.org/jira/browse/HBASE-25469
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Caroline Zhou
>            Assignee: Caroline Zhou
>            Priority: Minor
>         Attachments: Screen Shot 2021-07-27 at 10.34.45.png, Screen Shot 2021-07-27 at 10.34.53.png
>
>
> In HBase 2.1+, there is a RIT JSP page that was added as part of HBASE-21410.
> There are some additional RIT details that would be helpful to have in one place:
>  * RIT Start Time
>  * RIT Duration (ms)
>  * Server
>  * Procedure Type
> This info can be added to the table under the {{/rit.jsp}} page, and we can also add a button on that page to view info as JSON, for easy parsing into metrics, etc. This JSON dump can be served as a servlet.
> We may also consider different ways of grouping the JSON results, such as by state or server name.
> !Screen Shot 2021-07-27 at 10.34.45.png!
> !Screen Shot 2021-07-27 at 10.34.53.png!



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