Hey Thilee, Thanks for contributing. We don't process pull request on the git mirrors, please upload a patch against trunk and branch-1 if you'd like this included in Hadoop 1.x and 2.x releases. More info here: http://wiki.apache.org/hadoop/HowToContribute
Thanks, Eli On Fri, Oct 5, 2012 at 10:27 AM, Thilee Subramaniam <thi...@quantcast.com> wrote: > We at Quantcast have released QFS 1.0 (Quantcast File System) to open > source. This is based on the KFS 0.5 (Kosmos Distributed File System), > a C++ distributed filesystem implementation. KFS plugs into Apache > Hadoop via the 'kfs' shim that is part of Hadoop codebase. > > QFS has added support for permissions, and also, provides fault tolerance > through Reed-Solomon encoding as well as replication. There are also a > number of performance and stability improvements, including a rewrite of > the client library to allow parallel concurrent I/Os. Going forward, new > releases of KFS will come from QFS. > > The open source release of QFS is at http://quantcast.github.com/qfs > > QFS plugs into Apache Hadoop the same way KFS does. Currently, one would > apply the patches or JARs from the QFS source tree onto Apache Hadoop to > make Hadoop use QFS. The patch for Apache Hadoop 1.0.X can be found at > https://github.com/quantcast/qfs/blob/master/hadoop/hadoop-1.0.X.patch > > In order to make the integration seamless, we would like to add a 'qfs' > shim to Apache Hadoop so that the current active branches (1.0.X, 2.X.X, > 0.23.X) of Apache Hadoop can use QFS. > > Towards this, I've submited an ASF JIRA feature ticket (HADOOP-8885) under > hadoop-common project, and send a pull request with the QFS shim changes > to https://github.com/apache/hadoop-common/tree/branch-1.0.2 > > I will subsequently submit pull requests to the other active Hadoop > branches. > > If you have any question, I will be happy yo answer or provide more > details on QFS. > > - Thilee >
