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Re: Hadoop build slaves software - Hadoop - [mail # dev]
...It was missing the c++ libraries though: https://builds.apache.org/job/PreCommit-HADOOP-Build/2002/artifact/trunk/patchprocess/patchJavacWarnings.txt  -Todd  On Mon, Jan 7, 2013 at...
   Author: Todd Lipcon, 2013-01-07, 23:48
Re: Heads Up - hadoop-2.0.3 release - Hadoop - [mail # general]
...Any news on how this is progressing? Some folks in this thread below inquired about getting this release out around the New Year timeframe, but it looks like YARN-117 subtasks have gone pret...
   Author: Todd Lipcon, 2012-12-18, 19:45
[HADOOP-8410] SPNEGO filter should have better error messages when not fully configured - Hadoop - [issue]
...I upgraded to a build which includes SPNEGO, but neglected to configure  dfs.web.authentication.kerberos.principal. This resulted in the following error:12/05/18 14:46:20 INFO server.Ke...
http://issues.apache.org/jira/browse/HADOOP-8410    Author: Todd Lipcon, 2012-11-16, 23:22
Re: Why don't the ipc Server use ArrayBlockingQueue for callQueue? - Hadoop - [mail # dev]
...Hi Luoli  Why would it be more efficient? When suggesting an improvement, it would be good to back it up with your reasoning.  -Todd  On Wed, Oct 31, 2012 at 1:19 AM, 罗李  ...
   Author: Todd Lipcon, 2012-10-31, 18:03
[HADOOP-8929] Add toString, other improvements for SampleQuantiles - Hadoop - [issue]
...The new SampleQuantiles class is useful in the context of benchmarks, but currently there is no way to print it out outside the context of a metrics sink. It would be nice to have a convenie...
http://issues.apache.org/jira/browse/HADOOP-8929    Author: Todd Lipcon, 2012-10-17, 14:21
[HADOOP-7149] Topology script should have some kind of timeout - Hadoop - [issue]
...We've seen an issue where a custom topology script was hanging for some external reason. This caused the NN to block during startup without any kind of clear indication what was going on.We ...
http://issues.apache.org/jira/browse/HADOOP-7149    Author: Todd Lipcon, 2012-10-15, 10:54
[HADOOP-8894] GenericTestUtils.waitFor should dump thread stacks on timeout - Hadoop - [issue]
...Many tests use this utility to wait for a condition to become true. In the event that it times out, we should dump all the thread stack traces, in case the timeout was due to a deadlock. Thi...
http://issues.apache.org/jira/browse/HADOOP-8894    Author: Todd Lipcon, 2012-10-09, 15:00
[HADOOP-6069] Remove explicit dynamic loading of libz in native code - Hadoop - [issue]
...The native zlib code currently uses dlopen/dlsym to dynamically load libz. This used to make sense when there was an lzo option (so you could load libhadoop for lzo purposes without requirin...
http://issues.apache.org/jira/browse/HADOOP-6069    Author: Todd Lipcon, 2012-10-09, 01:56
[HADOOP-7154] Should set MALLOC_ARENA_MAX in hadoop-config.sh - Hadoop - [issue]
...New versions of glibc present in RHEL6 include a new arena allocator design. In several clusters we've seen this new allocator cause huge amounts of virtual memory to be used, since when mul...
http://issues.apache.org/jira/browse/HADOOP-7154    Author: Todd Lipcon, 2012-10-03, 05:07
[HADOOP-7317] RPC.stopProxy doesn't actually close proxy - Hadoop - [issue]
...Discovered while investigating HDFS-1965, it turns out that the reference-counting done in WritableRpcEngine.ClientCache doesn't map one-to-one with open TCP connections. This means that it'...
http://issues.apache.org/jira/browse/HADOOP-7317    Author: Todd Lipcon, 2012-09-26, 20:15
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