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[HADOOP-9775] Add tracking IDs to FS tokens to allow tracing FS operations back to job - Hadoop - [issue]
...It would be helpful for auditing to allow tracing of file system operations to the higher-level operations that encompass them (e.g. MR jobs).Approaches to achieving this by logging delegati...
http://issues.apache.org/jira/browse/HADOOP-9775    Author: Sandy Ryza, 2013-10-08, 20:06
Re: question about when do resource matching in YARN - Hadoop - [mail # dev]
...How would the ZK approach make things faster?  Are you saying the AMs would do the watching?  Currently containers assignments aren't actually sent to the NodeManagers on heartbeat...
   Author: Sandy Ryza, 2013-09-24, 15:44
Re: [VOTE] Release Apache Hadoop 2.1.1-beta - Hadoop - [mail # dev]
...YARN-1089, which reforms CPU as a resource, is an incompatible change that will need to go into 2.2.0.  Should it go into 2.1.1-beta as well?   On Mon, Sep 23, 2013 at 11:42 AM, An...
   Author: Sandy Ryza, 2013-09-23, 18:59
Fix version for 2.2.0? - Hadoop - [mail # dev]
...Hi All,  I just committed https://issues.apache.org/jira/browse/YARN-1128, which fixes a severe Fair Scheduler bug, to branch-2.1-beta.  2.2.0 is the right heading to put it under ...
   Author: Sandy Ryza, 2013-09-22, 02:02
Re: YARN MapReduce 2 concepts - Hadoop - [mail # user]
...Hi Mohit, answers inline   On Fri, Sep 20, 2013 at 1:33 AM, Mohit Anchlia wrote:   Correct    The ResourceManager contains a pluggable scheduler that is responsible for d...
   Author: Sandy Ryza, 2013-09-20, 02:32
Re: Scheduler question - Hadoop - [mail # user]
...Hi John,  YARN schedulers handle this with the concept of "reservations".  Scheduling decisions occur on node heartbeats.  When a node that is full heartbeats, the next applic...
   Author: Sandy Ryza, 2013-09-09, 10:17
Re: question about fair scheduler - Hadoop - [mail # user]
...That's right that the other 2 apps will end up getting 10 resources each, but as more resources become released, eventually the cluster will converge to a fair state.  I.e. if the first...
   Author: Sandy Ryza, 2013-08-23, 09:14
[HADOOP-9672] Upgrade Avro dependency to 1.7.4 - Hadoop - [issue]
...Hadoop still depends on Avro-1.5.3, when the latest release is 1.7.4.  I've observed this cause problems when using Hadoop 2 with Crunch, which uses a more recent version of Avro....
http://issues.apache.org/jira/browse/HADOOP-9672    Author: Sandy Ryza, 2013-08-10, 14:04
[HADOOP-9675] use svn:eol-style native for html to prevent line ending issues - Hadoop - [issue]
...hadoop-common-project/hadoop-common/src/main/docs/releasenotes.htmlshows up as modified even though I haven't touched it, and I can't check it out or reset to a previous version to make that...
http://issues.apache.org/jira/browse/HADOOP-9675    Author: Sandy Ryza, 2013-08-10, 14:04
Re: Java 7 and Hadoop - Hadoop - [mail # dev]
...How do we go about setting up builds on jdk7?  Couldn't figure out how to do it on Jenkins, so I'm assuming it either requires PMC or Infra?  -Sandy   On Thu, Jul 25, 2013 at ...
   Author: Sandy Ryza, 2013-08-02, 17:55
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