Thank you very much sir. great explaination. 0.20.20X is renamed to 1.0. So, 1.0 series is coming with security.
What about 2.0 series? It is with security or without? *Regards* *S.Suresh,* *Research Scholar,* *Department of Computer Applications,* *National Institute of Technology,* *Tiruchirappalli - 620015.* *+91-9941506562* On Sat, Apr 27, 2013 at 3:04 AM, Robert Evans <[email protected]> wrote: > It is kind of complex. > > Up until 0.20 everything was fairly regular like you would expect. In > 0.20 there was a split where security was added in to a branch and started > to be numbered as 0.20.20X. But the other releases went on without > security and became 0.21 and 0.22. 0.23 was created when YARN was > introduced and it also had security merged in. To be fair 0.22 had > security in it, but was never officially supported in a release. At about > this same time the community decided that we needed to do something better > with number and renamed 0.20.20X to be 1.0 and started releasing more > versions from this line. This is the current stable line. 0.23 was > renamed 2.0 and there have been a few releases but the code is still being > stabilized. To make things even more confusing some people kept 0.23 > alive and stabilized it, so there have been some releases of 0.23 in > parallel with 2.0. The difference between the two is that 2.0 had HDFS HA > in it where as 0.23 does not. > > --Bobby Evans > > On 4/26/13 12:39 AM, "Suresh S" <[email protected]> wrote: > > >Hello, > > > > I was confused with Hadoop versioning. > >I found that, some people working on version starting with "0". > >Some others, working on version starting with "2". > >Also, i was confused with "branch". > > > >Which version is really current version. > >*Regards* > >*S.Suresh,* > >*Research Scholar,* > >*Department of Computer Applications,* > >*National Institute of Technology,* > >*Tiruchirappalli - 620015.* > >*+91-9941506562* > >
