Konstantin, HADOOP-7450 (and its subs for HDFS and MR) have patches for 0.22 now.
On Fri, Oct 28, 2011 at 10:53AM, Konstantin Boudnik wrote: > Konstantin, > > Great news! The progress is pretty spectacular I'd say. > > I am slowly working on Jetty back-port. Unfortunately, other things require my > attention too. Hopefully, it will be finished over next a couple days or so. > > Cos > > On Fri, Oct 28, 2011 at 02:29AM, Konstantin Shvachko wrote: > > Hi everybody, > > > > We reached the homestretch for hadoop-0.22 release. > > The testing proceeds very well. > > - The builds are building > > - HDFS and MR are running under load well now. > > - We applied pretty simple custom patches to make Hive (7) and Pig (8) > > work with 0.22. > > - HBase (92), which is expected to be released in the near future as I > > hear, is fully compatible with 0.22. > > > > There are 4 main items remaining on my plate. > > > > 1. We are down to four blockers, which represent three issues: > > HADOOP-7035. Document incompatible API changes between releases > > MAPREDUCE-1100 / 1716. User's task-logs filling up local disks on the > > TaskTrackers > > HDFS-2498. TestParallelRead times out > > > > I'd like also to include > > HDFS-1900. Clean up config key collision between common and HDFS > > and potentially further bug fixes. > > > > 2. Assemble build is needed. > > By assemble build I mean a Jenkins target which produces a tarball > > that includes all three sub-projects. It is like a daily build. One of > > this builds is assigned to be release a candidate and then the > > release. We can do it in traditional way, based on scripts developed > > in HADOOP-6846. Or we can try to do it with BigTop. > > > > 3. Jetty upgrade. > > 0.22 branch is on Jetty 6.1.14, while everything else moved to 6.1.26. > > Based on experiments I ran with Jetty 6.1.14 tasks hang forever if > > things go wrong, while with Jetty 6.1.26 you get a lot of "fetch > > failure"s. The latter at least fails fast, and does not need manual > > intervention, so I'd go for the upgrade. > > > > 4. Documentation. > > In addition to HADOOP-7035, which according to Tom needs a rerun of > > the tool, we need to confirm the documentation is up to date. I think > > it is, but re-checking would be good. > > > > I seek help from the good people of Hadoopland on these last steps. > > If you have suggestions for inclusion or plan to help with the items, > > please reply to the thread or drop me a line. I understand the next > > two weeks will be busy with conferences. I plan to release after > > Apachecon by mid November. If the assemble build is ready soon people > > will be able to try it early. > > > > Thanks, > > --Konstantin
