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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Created: (CHUKWA-520) Metrics graphing REST api for HBase
Date Sat, 11 Sep 2010 23:27:32 GMT
Metrics graphing REST api for HBase
-----------------------------------

                 Key: CHUKWA-520
                 URL: https://issues.apache.org/jira/browse/CHUKWA-520
             Project: Chukwa
          Issue Type: New Feature
          Components: User Interface
         Environment: Java 6, Mac OS X 10.6
            Reporter: Eric Yang


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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