We are happy to announce that Cascading 1.2 is now publicly available for download.

This release features many performance and usability enhancements while remaining backwards compatible with 1.0 and 1.1.

Specifically:

• Performance optimizations during grouping (StreamComparator)
• Composable map-side partial aggregations (AggregateBy)
• Native Riffle support for non-Cascading (or nested iterative Cascading) processes (ProcessFlow and Riffle)

For a detailed list of changes see:
CHANGES.txt

We are also happy to announce that Cascading and its extensions have their own Maven/Ivy Jar repository,Conjars. Conjars is a public repository, any developer wishing to publish Cascading libraries and extensions can register their public key and push artifacts. Conjars is a simple fork of the Clojars repo code.

Along with this release are a number of extensions created by the Cascading user community.

Among these extension are:

• Cascading.Avro – Cascading Scheme for the Apache Avro data serialization format.
• Cascading.Memcached – Integration with Memcached, Membase, and ElasticSearch.
• Bixo – a web mining toolkit
• DBMigrate – a tool for migrating data to/from RDBMSs into Hadoop
• Apache HBase, Amazon SimpleDB, and JDBC integration
• JRuby and Clojure based scripting languages for Cascading
• Cascalog – a robust interactive extensible query language

This release will run against 0.19.x, and 0.20.x. Including Amazon Elastic MapReduce.