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[expand - 1 more] - RE: Issue with Hadoop/Kerberos security as client - Hadoop - [mail # user]
...Follow-up: problem seem to be solved.The issue is purely a JNI issue and actually doesn't have anything to do with security per se.  Calling vm->AttachCurrentThread() sets the contex...
   Author: John Lilley, 2014-09-18, 22:52
[expand - 1 more] - RE: How can I increase the speed balancing? - Hadoop - [mail # user]
...Srikanth,The cluster is idle while balancing, and it seems to move about 2MB/minute.  There is no discernable CPU load.johnFrom: Srikanth upputuri [mailto:[EMAIL PROTECTED]]Sent: Thursd...
   Author: John Lilley, 2014-09-16, 11:18
RE: HDFS balance - Hadoop - [mail # user]
...Can you run the load from an "edge node" that is not a DataNode?johnJohn LilleyChief Architect, RedPoint Global Inc.1515 Walnut Street | Suite 300 | Boulder, CO 80302T: +1 303 541 1516  | M:...
   Author: John Lilley, 2014-09-03, 14:51
[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
[expand - 5 more] - RE: State of the C++ vs Java implementations - Avro - [mail # user]
...Thanks Steve!As for this approach: "As for the compression - as Doug has already answered, C++ only supports null (no) codec and deflate. You can always use the Avro java tools 'recodec' com...
   Author: John Lilley, 2014-08-18, 12:53
Metadata conventions/tools - HBase - [mail # user]
...Greetings!  We are an ISV of ETL/DI/DQ software and desire to support connections to HBase for "classic tabular" data like one would store in an RDBMS.  To that end, I am trying to...
   Author: John Lilley, 2014-07-08, 18:17
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
[expand - 1 more] - RE: How to make AM terminate if client crashes? - MapReduce - [mail # user]
...In our application the "client" is actually one step of many in an application.  If the "client" goes away entirely, that means the entire application has crashed or has been terminated...
   Author: John Lilley, 2014-01-17, 14:19
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