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From Johannes Zillmann <>
Subject [ANNOUNCE] Katta 0.6 released
Date Thu, 04 Feb 2010 19:47:35 GMT
Release 0.6 of Katta is now available.
Katta - Lucene (or Hadoop Mapfiles or any content which can be split into shards) in the cloud.

The key changes of the 0.6 release among dozens of bug fixes:
- upgrade lucene to 3.0
- upgrade zookeeper to  3.2.2
- upgrade hadoop to 0.20.1
- generalize katta for serving shard-able content (lucene is one implementation, hadoop mapfiles
another one)
- basic lucene field sort capability
- more robust zookeeper session expiration handling
- throttling of shard deployment (kb/sec configurable) to hava a stabe search while deploying
- load test facility
- monitoring facility
- alpha version of web-gui

The changes from 0.6.rc1 release:
 KATTA-120, fix listIndices for wrong file pathes
 KATTA-117, add command line option to print stacktrace on error
 KATTA-116, fix distribution of shards does not take currently deploying shards into account

 KATTA-107, fix katta execution on cygwin 
 KATTA-112, ship build.xml in core distribution 
 KATTA-110, use a released 0.1 version of zkclient instead of the snapshot

See full list of changes at

Binary distribution is available at

The Katta Team
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