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From "Eric Yang (JIRA)" <>
Subject [jira] Updated: (CHUKWA-441) Real time hadoop activity monitoring capabilities via Client Trace Logs
Date Wed, 30 Dec 2009 00:04:29 GMT


Eric Yang updated CHUKWA-441:

    Attachment: CHUKWA-441.patch

- Implemented Socket Data Loader, ClientTrace REST API, and Hadoop Activity widget.
- Test cases included.

> Real time hadoop activity monitoring capabilities via Client Trace Logs
> -----------------------------------------------------------------------
>                 Key: CHUKWA-441
>                 URL:
>             Project: Hadoop Chukwa
>          Issue Type: New Feature
>          Components: data collection, User Interface
>         Environment: Redhat EL 5.1, Java 6
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>             Fix For: 0.4.0
>         Attachments: CHUKWA-441.patch
> Many moons ago, in one of the HUG talk for Chukwa, one user ask if it is possible to
create a splitter interface for Chukwa Collector for monitoring data at near real time.  The
answer was possible, but there was no code to show this capabilities.  Over the Xmas holidays,
I decided to take on this task and write something simple to show how this is done.
> The idea is to reuse existing Chukwa Collector with PipelineStageWriter coupled with
SocketTeeWriter for data stream split.  By adding a SocketDataLoader inside HICC to act as
data stream subscriber and extract client trace information to render on the browser.  Hence,
the additional pipeline looks like this:
> Adaptor -> Agent -> Collector -> SocketTeeWriter <- Socket Data Loader <-

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