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[HADOOP-9608] ZKFC should abort if it sees an unrecognized NN become active - Hadoop - [issue]
...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...
http://issues.apache.org/jira/browse/HADOOP-9608    Author: Todd Lipcon, 2013-05-31, 01:51
[HADOOP-7101] UserGroupInformation.getCurrentUser() fails when called from non-Hadoop JAAS context - Hadoop - [issue]
...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....
http://issues.apache.org/jira/browse/HADOOP-7101    Author: Todd Lipcon, 2013-05-28, 17:29
[HADOOP-6171] "package" task in build.xml should copy source with preservelastmodified - Hadoop - [issue]
...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 ...
http://issues.apache.org/jira/browse/HADOOP-6171    Author: Todd Lipcon, 2013-05-27, 15:22
[HADOOP-9545] Improve logging in ActiveStandbyElector - Hadoop - [issue]
...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...
http://issues.apache.org/jira/browse/HADOOP-9545    Author: Todd Lipcon, 2013-05-10, 05:18
[HADOOP-8905] Add metrics for HTTP Server - Hadoop - [issue]
...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...
http://issues.apache.org/jira/browse/HADOOP-8905    Author: Todd Lipcon, 2013-05-08, 13:31
[HADOOP-6311] Add support for unix domain sockets to JNI libs - Hadoop - [issue]
...For HDFS-347 we need to use unix domain sockets. This JIRA is to include a library in common which adds a o.a.h.net.unix package based on the code from Android (apache 2 license)...
http://issues.apache.org/jira/browse/HADOOP-6311    Author: Todd Lipcon, 2013-05-03, 18:30
[HADOOP-6522] TestUTF8 fails - Hadoop - [issue]
...TestUTF8 is actually flaky. It generates 10 random strings to run the test on. If you change this number to 100000 it fails every time....
http://issues.apache.org/jira/browse/HADOOP-6522    Author: Todd Lipcon, 2013-05-03, 18:22
[HADOOP-9399] protoc maven plugin doesn't work on mvn 3.0.2 - Hadoop - [issue]
...On my machine with mvn 3.0.2, I get a ClassCastException trying to use the maven protoc plugin. The issue seems to be that mvn 3.0.2 sees the List<File> parameter, and doesn't see the ...
http://issues.apache.org/jira/browse/HADOOP-9399    Author: Todd Lipcon, 2013-04-26, 03:14
[HADOOP-9150] Unnecessary DNS resolution attempts for logical URIs - Hadoop - [issue]
...In the FileSystem code, we accidentally try to DNS-resolve the logical name before it is converted to an actual domain name. In some DNS setups, this can cause a big slowdown - eg in one mis...
http://issues.apache.org/jira/browse/HADOOP-9150    Author: Todd Lipcon, 2013-03-29, 14:05
[HADOOP-9358] "Auth failed" log should include exception string - Hadoop - [issue]
...Currently, when authentication fails, we see a WARN message like:2013-02-28 22:49:03,152 WARN  ipc.Server (Server.java:saslReadAndProcess(1056)) - Auth failed for
http://issues.apache.org/jira/browse/HADOOP-9358    Author: Todd Lipcon, 2013-03-29, 14:05
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