Any ETA on b3? On Fri, Aug 20, 2010 at 9:51 PM, Todd Lipcon <[email protected]> wrote: > Hey Vidhya, > > Also, YDH 0.20.100 doesn't include the Hadoop patch series from > branch-0.20-append that Cloudera and Facebook developed together to add > durability to HBase. Without these patches there are a lot of failure > scenarios that can cause a cluster to become inconsistent or lose some data. > > Our next beta of CDH will have all of the append-related patches for HBase > plus all of the YDH changes for security, MR improvements, etc, merged > together. > > Thanks > -Todd > > On Tue, Aug 17, 2010 at 10:36 PM, Gary Helmling <[email protected]> wrote: > >> On Tue, Aug 17, 2010 at 7:39 PM, Vidhyashankar Venkataraman < >> [email protected]> wrote: >> >> > When I try to start HBAse 0.89 along with Hadoop 0.20.100, Hbase fails to >> > start up with these errors in the namenode whioch leads to exceptions in >> > master and regionservers.. >> > >> > >> When you say Hadoop 0.20.100, do you mean the yahoo-0.20.100 github branch, >> with backported security features? >> >> If so, HBase 0.89 will not currently run on it due to incompatible changes >> to security related classes (UserGroupInformation interface changes, >> removal >> of UnixUserGroupInformation class) that were also used in HBase. >> >> I have a work-in-progress branch on github that ports over some of the >> security changes here: >> http://github.com/ghelmling/hbase/tree/security >> >> What's there is experimental, and not fully tested, though. And it still >> needs work before being proposed for actual inclusion. But it should work >> for testing, depending on your needs. >> >> --gh >> > > > > -- > Todd Lipcon > Software Engineer, Cloudera >
-- Alexey Kovyrin http://kovyrin.net/
