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Date: Sat, 18 Sep 2010 19:36:32 -0400 (EDT)
From: "Eric Yang (JIRA)" <jira@apache.org>
To: chukwa-dev@incubator.apache.org
Subject: [jira] Commented: (CHUKWA-520) Metrics graphing REST api for HBase
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    [ https://issues.apache.org/jira/browse/CHUKWA-520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12911119#action_12911119 ] 

Eric Yang commented on CHUKWA-520:
----------------------------------

The finalized design:

1. Get series data by row key.
{noformat}
/hicc/v1/metrics/series/[table]/[column]/rowkey/[rkey]?start=[yyyyMMddHHmmss]&end=[yyyyMMddHHmmss]
{noformat}

2. Get series data by HICC session macro.
{noformat}
/hicc/v1/metrics/series/[table]/[column]/session/[sessionKey]?start=[yyyyMMddHHmmss]&end=[yyyyMMddHHmmss]
{noformat}

3. Get list of HBase tables
{noformat}
/hicc/v1/metrics/schema
{noformat}

4. Get list of column family
{noformat}
/hicc/v1/metrics/schema/[table]
{noformat}

5. Get list of columns in a column family
{noformat}
/hicc/v1/metrics/schema/[table]/[family]?start=[yyyyMMddHHmmss]&end=[yyyyMMddHHmmss]
{noformat}

6. Get list of row key associated with a column
{noformat}
/hicc/v1/metrics/schema/[table]/[column]?start=[yyyyMMddHHmmss]&end=[yyyyMMddHHmmss]
{noformat}

> 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
>         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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