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[HADOOP-10893] isolated classloader on the client side - Hadoop - [issue]
...We have the job classloader on the mapreduce tasks that run on the cluster. It has a benefit of being able to isolate class space for user code and avoid version clashes.Although it occurs l...
http://issues.apache.org/jira/browse/HADOOP-10893    Author: Sangjin Lee, 2014-08-20, 20:37
Re: [VOTE] Migration from subversion to git for version control - Hadoop - [mail # dev]
...+1 (non-binding)On Sat, Aug 9, 2014 at 9:34 AM, Sandy Ryza  wrote: ...
   Author: Sangjin Lee, 2014-08-10, 18:03
[expand - 1 more] - Re: hadoop-2.5 - June end? - Hadoop - [mail # dev]
...Hi Karthik,Regarding YARN-1492 (shared cache), it should not hold up 2.5 if it is notthere. If it's not there, it's not there.Also, FYI, since it turns out the changes are not too large and ...
   Author: Sangjin Lee, 2014-06-28, 02:39
[expand - 1 more] - Re: Plans of moving towards JDK7 in trunk - Hadoop - [mail # dev]
...I would say, to an extent. The current state of the jetty version is*severe*. We're 3 major versions behind, and if my understanding iscorrect, it was a long time ago they EOF'ed version 6.x...
   Author: Sangjin Lee, 2014-04-14, 17:19
[expand - 2 more] - Re: very old dependencies - Hadoop - [mail # dev]
...I agree.We should still be diligent in keeping dependencies up-to-date as long asthe changes are fairly non-destructive (I hear you about guava). That wouldbe a pretty big service to not onl...
   Author: Sangjin Lee, 2014-03-31, 17:57
Re: [VOTE] Release Apache Hadoop 2.3.0 - Hadoop - [mail # dev]
...If it's not too late, I'd like to bring your attention to YARN-1692.We get a ConcurrentModificationException with the fair scheduler when itupdates demand, and we saw RM get into a pretty ba...
   Author: Sangjin Lee, 2014-02-12, 19:57
Re: Logistics for releasing 2.4 - Hadoop - [mail # dev]
...I also wanted to bring your attention to HADOOP-9652. As this would addressa major performance issue with the local filesystem, it would be good toget this in for 2.4 (or is it 2.3?).Regards...
   Author: Sangjin Lee, 2014-01-24, 00:54
[HADOOP-9639] truly shared cache for jars (jobjar/libjar) - Hadoop - [issue]
...Currently there is the distributed cache that enables you to cache jars and files so that attempts from the same job can reuse them. However, sharing is limited with the distributed cache be...
http://issues.apache.org/jira/browse/HADOOP-9639    Author: Sangjin Lee, 2013-12-10, 23:15
[expand - 1 more] - Re: [ANNOUNCE] New Hadoop Committer - Karthik Kambatla - Hadoop - [mail # general]
...Congratulations!   On Tue, Nov 19, 2013 at 9:49 AM, Tsuyoshi OZAWA wrote:  ...
   Author: Sangjin Lee, 2013-11-19, 20:42
[HADOOP-9854] Configuration.set() may be called before all the deprecated keys are registered, causing inconsistent state - Hadoop - [issue]
...Currently deprecated keys are registered at various times. Some are registered  when the Configuration class itself is initialized, but the vast majority are registered when the JobConf...
http://issues.apache.org/jira/browse/HADOOP-9854    Author: Sangjin Lee, 2013-09-23, 21:17
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