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[expand - 2 more] - RE: YARN userapp cache lifetime: can't find core dump - Hadoop - [mail # user]
...I think I found it:yarn.nodemanager.delete.debug-delay-secFrom: John Lilley [mailto:[EMAIL PROTECTED]]Sent: Tuesday, September 02, 2014 2:02 PMTo: '[EMAIL PROTECTED]'Subject: YARN userapp ca...
   Author: John Lilley, 2014-09-02, 21:29
[expand - 2 more] - RE: winutils and security - Hadoop - [mail # user]
...One more follow up, in case someone stumbles across this in the future.  From what we can tell, the Hadoop security initialization is very sensitive to startup order, and this has been ...
   Author: John Lilley, 2014-08-27, 01:00
Issue with Hadoop/Kerberos security as client - Hadoop - [mail # user]
...We are encountering a really strange issue accessing Hadoop securely as a client.  We go through the motions of calling setting the security configuration:    YarnConfigu...
   Author: John Lilley, 2014-08-19, 23:36
RE: very long timeout on failed RM connect - Hadoop - [mail # user]
...Setting    conf.set("yarn.resourcemanager.connect.max-wait.ms", "500");    conf.set("yarn.resourcemanager.connect.retry-interval.ms", "500");still results in a ...
   Author: John Lilley, 2014-02-12, 16:36
optimizing HDFS writes with replication=1 - Hadoop - [mail # user]
...I am writing temp files to HDFS with replication=1, so I expect the blocks to be stored on the writing node.  Are there any tips, in general, for optimizing write performance to HDFS? &...
   Author: John Lilley, 2014-01-22, 00:10
FileSystem iterative or limited alternative to listStatus() - Hadoop - [mail # user]
...Is there an HDFS file system method for listing a directory contents iteratively, or at least stopping at some limit?  We have an application in which the user can type wildcards, which...
   Author: John Lilley, 2014-01-11, 23:52
How to make AM terminate if client crashes? - Hadoop - [mail # user]
...We have a YARN application that we want to automatically terminate if the YARN client disconnects or crashes.  Is it possible to configure the YarnClient-RM connection so that if the cl...
   Author: John Lilley, 2014-01-11, 19:37
[expand - 1 more] - RE: YARN log access - Hadoop - [mail # user]
...Thanks, I missed the target 2.4.0 release.  For 2.2.0, is there any way to reach the individual task container logs? John  From: Ted Yu [mailto:[EMAIL PROTECTED]] Sent: Saturday, J...
   Author: John Lilley, 2014-01-05, 21:24
RE: LocalResource size/time limits - Hadoop - [mail # user]
...Fantastic.  Just what I needed to know. john  From: Hardik Pandya [mailto:[EMAIL PROTECTED]] Sent: Saturday, January 04, 2014 11:15 AM To: [EMAIL PROTECTED] Subject: Re: LocalResou...
   Author: John Lilley, 2014-01-05, 21:23
[expand - 1 more] - RE: HDFS short-circuit reads - Hadoop - [mail # user]
...Ah, I see - thanks for clarifying. john  From: Chris Nauroth [mailto:[EMAIL PROTECTED]] Sent: Tuesday, December 17, 2013 4:32 PM To: [EMAIL PROTECTED] Subject: Re: HDFS short-circuit re...
   Author: John Lilley, 2013-12-19, 14:34
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