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Re: Heads Up - hadoop-2.0.3 release - Hadoop - [mail # general]
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...+1 from me, too. I wanted to let it sit in trunk for a few weeks to see if anyone found issues, but it's now been a bit over a month all the feedback I've gotten so far has been good, tests ...
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Author: Todd Lipcon,
2012-11-16, 21:14
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Re: Why don't the ipc Server use ArrayBlockingQueue for callQueue? - Hadoop - [mail # dev]
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...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 ...
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Author: Todd Lipcon,
2012-10-31, 18:03
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[HADOOP-8929] Add toString, other improvements for SampleQuantiles - Hadoop - [issue]
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...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...
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http://issues.apache.org/jira/browse/HADOOP-8929
Author: Todd Lipcon,
2012-10-17, 14:21
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[HADOOP-7149] Topology script should have some kind of timeout - Hadoop - [issue]
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...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 ...
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http://issues.apache.org/jira/browse/HADOOP-7149
Author: Todd Lipcon,
2012-10-15, 10:54
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[HADOOP-8894] GenericTestUtils.waitFor should dump thread stacks on timeout - Hadoop - [issue]
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...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...
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http://issues.apache.org/jira/browse/HADOOP-8894
Author: Todd Lipcon,
2012-10-09, 15:00
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[HADOOP-6069] Remove explicit dynamic loading of libz in native code - Hadoop - [issue]
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...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...
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http://issues.apache.org/jira/browse/HADOOP-6069
Author: Todd Lipcon,
2012-10-09, 01:56
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[HADOOP-8855] SSL-based image transfer does not work when Kerberos is disabled - Hadoop - [issue]
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...In SecurityUtil.openSecureHttpConnection, we first check UserGroupInformation.isSecurityEnabled(). However, this only checks the kerberos config, which is independent of hadoop.ssl.enabled. ...
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http://issues.apache.org/jira/browse/HADOOP-8855
Author: Todd Lipcon,
2012-10-04, 20:21
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[HADOOP-7154] Should set MALLOC_ARENA_MAX in hadoop-config.sh - Hadoop - [issue]
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...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...
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http://issues.apache.org/jira/browse/HADOOP-7154
Author: Todd Lipcon,
2012-10-03, 05:07
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[HADOOP-7317] RPC.stopProxy doesn't actually close proxy - Hadoop - [issue]
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...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'...
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http://issues.apache.org/jira/browse/HADOOP-7317
Author: Todd Lipcon,
2012-09-26, 20:15
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[HADOOP-8151] Error handling in snappy decompressor throws invalid exceptions - Hadoop - [issue]
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...SnappyDecompressor.c has the following code in a few places:THROW(env, "Ljava/lang/InternalError", "Could not decompress data. Buffer length is too small.");this is incorrect, though, since ...
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http://issues.apache.org/jira/browse/HADOOP-8151
Author: Todd Lipcon,
2012-09-23, 14:58
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