Is there a requirement for hadoop 0.20 for HBase 0.20?
On Wed, Jun 17, 2009 at 1:44 AM, Andrew Purtell <[email protected]> wrote: > Minor correction/addition: "Stargate" is undergoing shared development in > two github trees: > http://github.com/macdiesel/stargate/tree/master > http://github.com/apurtell/stargate/tree/master > The github network view can show which branch is leading at any point in > time: > http://github.com/apurtell/stargate/network > > - Andy > > > > > ________________________________ > From: stack <[email protected]> > To: [email protected]; [email protected] > Sent: Tuesday, June 16, 2009 10:23:20 PM > Subject: [ANN] HBase 0.20.0-alpha available for download > > An alpha version of HBase 0.20.0 is available for download at: > > > http://people.apache.org/~stack/hbase-0.20.0-alpha/<http://people.apache.org/%7Estack/hbase-0.20.0-alpha/> > > We are making this release available to preview what is coming in HBase > 0.20.0. In short, 0.20.0 is about performance and high-availability. > Also, > a new, richer API has been added and the old deprecated. Here is a list of > almost 300 issues addressed so far in 0.20.0: http://tinyurl.com/ntvheo > > This alpha release contains known bugs. See http://tinyurl.com/kvfsft for > the current list. In particular, this alpha release is without a migration > script to bring your 0.19.x era data forward to work on hbase 0.20.0. A > working, well-tested migration script will be in place before we cut the > first HBase 0.20.0 release candidate some time in the next week or so. > > After download, please take the time to review the 0.20.0 'Getting Started' > also available here: > > http://people.apache.org/~stack/hbase-0.20.0-alpha/docs/api/overview-summary.html#overview_description<http://people.apache.org/%7Estack/hbase-0.20.0-alpha/docs/api/overview-summary.html#overview_description> > . > HBase 0.20.0 has new dependencies, in particular it now depends on > ZooKeeper. With ZooKeeper in the mix a few core HBase configurations have > been removed and replaced with ZooKeeper configurations instead. > > Also of note, HBase 0.20.0 will include "Stargate", an improved REST > connector for HBase. The old, bundled REST connector will be deprecated. > Stargate is implemented using the Jersey framework. It includes protobuf > encoding support, has caching proxy awareness, supports batching for > scanners and updates, and in general has the goal of enabling Web scale > storage systems (a la S3) backed by HBase. Currently its only available up > on github, http://github.com/macdiesel/stargate/tree/master. It will be > added to a new contrib directory before we cut a release candidate. > > Please let us know if you have difficulty with the install, if you find the > documentation missing or, if you trip over bugs hbasing. > > Yours, > The HBasistas > > > > > -- Pro Hadoop, a book to guide you from beginner to hadoop mastery, http://www.amazon.com/dp/1430219424?tag=jewlerymall www.prohadoopbook.com a community for Hadoop Professionals
