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CHUKWA-727. Updated release node for Chukwa 0.6.0. (Eric Yang)
git-svn-id: 13f79535-47bb-0310-9956-ffa450edef68
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macroadster committed Aug 16, 2014
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Release Notes - Hadoop Chukwa - Version 0.5
Release Notes - Hadoop Chukwa - Version 0.6

Overall Status

This is the third public release of Chukwa, a log analysis framework on top of Hadoop
This is the fourth public release of Chukwa, a log analysis framework on top of Hadoop
and HBase. Chukwa has been tested at scale and used in some production settings, and
is reasonably robust and well behaved. For instructions on setting up Chukwa, see the
administration guide and the rest of the Chukwa documentation.

The collection components of Chukwa -- adaptors, agents, and collectors have been fairly
aggressively tested, and can be counted on to perform properly and recover from failures.

The demux pipeline has been cleaned up somewhat, and is now documented. See the programming
guide for a discussion of how to customize demux for your purposes.

HICC, the visualization component, is still "beta" quality. It's been used succesfully at
multiple sites, but work is ongoing.

Important Changes Since Last Release

* Chukwa can store data on HBase for improved random read/write performance.
* Chukwa can store data on HBase for improved low latency read performance.

* New addition of SocketAdaptor for streaming Log4JSocketAppender traffic.
* Chukwa collector has been deprecated. HBase and HDFS can support better reliability
for data injection. The original purpose of collector is superseded by both services.

* There have been a number of bug fixes and code cleanups since the last release;
check the changelog and JIRA for details.


Chukwa relies on Java 1.6, and requires maven 3.0.3 to build.
The back-end processing requires Hadoop, HBase 0.90.4+, and Pig 0.9.1+.
The back-end processing requires Hadoop 1.2.1+, HBase 0.96+, and Pig 0.9.1+.

Known Limitations

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