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From "Ari Rabkin (JIRA)" <>
Subject [jira] Commented: (CHUKWA-520) Metrics graphing REST api for HBase
Date Sun, 12 Sep 2010 19:55:32 GMT


Ari Rabkin commented on CHUKWA-520:

Hm.  Javadoc doesn't really strike me as a good way to provide documentation for users.  
Do we need a separate HICC user guide?

> Metrics graphing REST api for HBase
> -----------------------------------
>                 Key: CHUKWA-520
>                 URL:
>             Project: Chukwa
>          Issue Type: New Feature
>          Components: User Interface
>         Environment: Java 6, Mac OS X 10.6
>            Reporter: Eric Yang
>         Attachments: chart_example.png, CHUKWA-520.patch
> HICC chart.jsp has the ability to graph metrics from web service API.  The usage pattern
looks like this:
> {noformat}
> /hicc/jsp/chart.jsp?data=[url to json data]
> {noformat}
> The expected data format for the data url looks like this:
> {noformat}
> { "name": "series name", "data": [[x,y],[x2,y2],...[x1000,y1000]]}
> {noformat}
> Metrics graphing REST api should load data from HBase and convert to the above JSON output
format for graphing.
> The suggested REST API looks like this:
> {noformat}
> /hicc/v1/metrics/[table_name]/[column_family]:[column]/[row_key]?start=[yyyyMMddHHmmss]&end=[yyyyMMddHHmmss]
> {noformat}
> row_key can be supplied like a macro, i.e. [host].  This will pick up selected host from
HICC session variable.

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