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[expand - 2 more] - Re: Re-swizzle 2.3 - HDFS - [mail # dev]
...+1 to reverting those JIRAs from branch-2.3.  As YARN-1689 is fixing aproblem caused by YARN-1493 I think we can revert it in branch-2.3 as well.I think we should leave them in branch-2...
   Author: Sandy Ryza, 2014-02-07, 01:15
Re: Issues with ResourceManager scheduling functions - HDFS - [mail # user]
...Are you requesting the different container types at different priorities?  -Sandy   On Sun, Dec 8, 2013 at 8:52 PM, Bill Q  wrote:  ...
   Author: Sandy Ryza, 2013-12-09, 07:53
Re: Perfect configuration setting - HDFS - [mail # user]
...Weird.  I just tried exiting the Cloudera VPN and opening it from a browser I never use and was still able to access it.   On Tue, Dec 3, 2013 at 5:46 PM, Azuryy Yu  wrote: &n...
   Author: Sandy Ryza, 2013-12-04, 01:49
Re: MRV2 job takes to long to start - HDFS - [mail # user]
...What scheduler are you using?  What do you mean by "start"?  For the first map task to start?  -Sandy   On Thu, Nov 28, 2013 at 6:07 AM, Juan Martin Pampliega <[EMAIL ...
   Author: Sandy Ryza, 2013-11-28, 17:13
Re: Allocating Containers on a particular Node in Yarn - HDFS - [mail # user]
...[moving to user list]  Right.  relaxLocality needs to be set on the next level up.  It determines whether locality can be relaxed to that level.  Confusing, I know.  ...
   Author: Sandy Ryza, 2013-11-14, 00:24
Re: Why my tests shows Yarn is worse than MRv1 for terasort? - HDFS - [mail # user]
...Increasing the slowstart is not meant to increase performance, but should make for a fairer comparison.  Have you tried making sure that in MR2 only 8 map tasks are running concurrently...
   Author: Sandy Ryza, 2013-10-23, 20:17
Re: Which Subphases Do Times on JobHistory Web UI Cover - HDFS - [mail # user]
...Average map time includes everything the map task is doing, i.e. all the things you mentioned.  Reduce time does not cover shuffle time.  Reduce time is the time spent calling the ...
   Author: Sandy Ryza, 2013-09-25, 02:17
Re: Semantics of ApplicationResourceUsageReport - HDFS - [mail # user]
...Hi Albert,  You're correct about used.  Reserved is a little bit more arcane - it refers to a mechanism that schedulers use to prevent applications with larger container sizes from...
   Author: Sandy Ryza, 2013-09-21, 08:22
Re: API difference between hadoop branch1 and branch2? - HDFS - [mail # user]
...Hi Li Yu,  I don't think it has been published yet, but a document on the MapReduce changes was recently completed at https://issues.apache.org/jira/browse/MAPREDUCE-5184.  -Sandy ...
   Author: Sandy Ryza, 2013-07-18, 17:46
[expand - 1 more] - Re: Containers and CPU - HDFS - [mail # user]
...That's correct.  -Sandy   On Tue, Jul 2, 2013 at 12:28 PM, John Lilley wrote:  ...
   Author: Sandy Ryza, 2013-07-02, 20:04
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