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Colin Patrick McCabe
Arun C Murthy
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[HADOOP-7335] Force entropy to come from non-true random for tests
...Passing the system property -Djava.security.egd=file:///dev/urandom forces the JVM to seed its PRNG from non-true random (/dev/urandom) instead of the true random (/dev/random). This makes t...
, 2013-08-09, 19:59
[HADOOP-7841] Run tests with non-secure random
...Post-mavenization we lost the improvement made by HADOOP-7335 which set up a system property such that Random is seeded by urandom. This makes the tests run faster and prevents timeouts due ...
, 2013-08-09, 19:59
[HADOOP-6578] Configuration should trim whitespace around a lot of value types
...I've seen multiple users make an error where they've listed some whitespace around a class name (eg for configuring a scheduler). This results in a ClassNotFoundException which is very hard ...
, 2013-08-09, 10:31
[HADOOP-9707] Fix register lists for crc32c inline assembly
...The inline assembly used for the crc32 instructions has an incorrect clobber list: the computed CRC values are "in-out" variables and thus need to use the "matching constraint" syntax in the...
, 2013-07-16, 15:40
[HADOOP-7140] IPC Reader threads do not stop when server stops
...After HADOOP-6713, the new IPC "Reader" threads are not properly stopped when the server shuts down. One repercussion of this is that conditions that are supposed to shut down a daemon no lo...
, 2013-06-21, 06:03
[HADOOP-9608] ZKFC should abort if it sees an unrecognized NN become active
...We recently had an issue where one NameNode and ZKFC was updated to a new configuration/IP address but the ZKFC on the other node was not rebooted. Then, next time a failover occurred, the s...
, 2013-05-31, 01:51
[HADOOP-7101] UserGroupInformation.getCurrentUser() fails when called from non-Hadoop JAAS context
...If a Hadoop client is run from inside a container like Tomcat, and the current AccessControlContext has a Subject associated with it that is not created by Hadoop, then UserGroupInformation....
, 2013-05-28, 17:29
[HADOOP-6171] "package" task in build.xml should copy source with preservelastmodified
...In the package task, it copies the source to dist.dir without using preservelastmodified=true. This can cause issues with the autotools configure process for the C++ builds. Namely, it will ...
, 2013-05-27, 15:22
[HADOOP-9545] Improve logging in ActiveStandbyElector
...The ActiveStandbyElector currently logs a lot of stuff at DEBUG level which would be useful for troubleshooting. We've seen one instance in the wild of a ZKFC thinking it should be in standb...
, 2013-05-10, 05:18
[HADOOP-8905] Add metrics for HTTP Server
...Currently we don't expose any metrics about the HTTP server. It would be useful to be able to monitor the following: Number of threads currently actively serving servlet requests Total numbe...
, 2013-05-08, 13:31
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