Re: What's the difference between release 1.1.1, 1.2.0 and 3.0.0?

2012-11-28 Thread Harsh J
Hi, On Wed, Nov 28, 2012 at 11:24 AM, sam liu wrote: > > Hi Harsh, > > Thanks very much for your detailed explanation! > > For 1.x line, we really want to know which release could be used by us, so > have further questions: > - Is 1.2.0 more advanced that 1.1.1? > - Do we have general release ti

Re: What's the difference between release 1.1.1, 1.2.0 and 3.0.0?

2012-11-28 Thread Chris Nauroth
Hi Sam, Also notable in 3.x (trunk) is the switch to YARN as the underlying framework for MapReduce. It's backwards-compatible though, so your existing MapReduce jobs will still work. More on YARN here: http://hadoop.apache.org/docs/r0.23.0/hadoop-yarn/hadoop-yarn-site/YARN.html --Chris On We

Re: What's the difference between release 1.1.1, 1.2.0 and 3.0.0?

2012-11-28 Thread Chris Nauroth
Sam, I also want to clarify one more thing about my last statement. YARN is present in the 2.x line also (not just 3.x/trunk). From your original question, it sounds like you're not considering the 2.x line, but I also didn't want to mislead you into thinking that YARN is only introduced in trunk

[jira] [Created] (HDFS-4231) Introduce HAState for BackupNode

2012-11-28 Thread Konstantin Shvachko (JIRA)
Konstantin Shvachko created HDFS-4231: - Summary: Introduce HAState for BackupNode Key: HDFS-4231 URL: https://issues.apache.org/jira/browse/HDFS-4231 Project: Hadoop HDFS Issue Type: Impr

[jira] [Created] (HDFS-4232) NN fails to write a fsimage with stale leases

2012-11-28 Thread Daryn Sharp (JIRA)
Daryn Sharp created HDFS-4232: - Summary: NN fails to write a fsimage with stale leases Key: HDFS-4232 URL: https://issues.apache.org/jira/browse/HDFS-4232 Project: Hadoop HDFS Issue Type: Bug

[jira] [Created] (HDFS-4233) NN keeps serving even after no journals started while rolling edit

2012-11-28 Thread Kihwal Lee (JIRA)
Kihwal Lee created HDFS-4233: Summary: NN keeps serving even after no journals started while rolling edit Key: HDFS-4233 URL: https://issues.apache.org/jira/browse/HDFS-4233 Project: Hadoop HDFS

[jira] [Created] (HDFS-4234) Use the generic code for choosing datanode in Balancer

2012-11-28 Thread Tsz Wo (Nicholas), SZE (JIRA)
Tsz Wo (Nicholas), SZE created HDFS-4234: Summary: Use the generic code for choosing datanode in Balancer Key: HDFS-4234 URL: https://issues.apache.org/jira/browse/HDFS-4234 Project: Hadoop HDF

[jira] [Created] (HDFS-4235) when outputting XML, OfflineEditsViewer can't handle some edits containing non-ASCII strings

2012-11-28 Thread Colin Patrick McCabe (JIRA)
Colin Patrick McCabe created HDFS-4235: -- Summary: when outputting XML, OfflineEditsViewer can't handle some edits containing non-ASCII strings Key: HDFS-4235 URL: https://issues.apache.org/jira/browse/HDFS-42

[jira] [Created] (HDFS-4236) Regression: HDFS-4171 puts artificial limit on username length

2012-11-28 Thread Allen Wittenauer (JIRA)
Allen Wittenauer created HDFS-4236: -- Summary: Regression: HDFS-4171 puts artificial limit on username length Key: HDFS-4236 URL: https://issues.apache.org/jira/browse/HDFS-4236 Project: Hadoop HDFS