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[HADOOP-8608] Add Configuration API for parsing time durations - Hadoop - [issue]
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...Hadoop has a lot of configurations which specify durations or intervals of time. Unfortunately these different configurations have little consistency in units - eg some are in milliseconds, ...
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http://issues.apache.org/jira/browse/HADOOP-8608
Author: Todd Lipcon,
2013-06-20, 02:43
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[HADOOP-9601] Support native CRC on byte arrays - Hadoop - [issue]
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...When we first implemented the Native CRC code, we only did so for direct byte buffers, because these correspond directly to native heap memory and thus make it easy to access via JNI. We'd g...
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http://issues.apache.org/jira/browse/HADOOP-9601
Author: Todd Lipcon,
2013-06-12, 16:16
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[HADOOP-9618] Add thread which detects JVM pauses - Hadoop - [issue]
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...Often times users struggle to understand what happened when a long JVM pause (GC or otherwise) causes things to malfunction inside a Hadoop daemon. For example, a long GC pause while logging...
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http://issues.apache.org/jira/browse/HADOOP-9618
Author: Todd Lipcon,
2013-06-06, 17:39
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[HADOOP-9608] ZKFC should abort if it sees an unrecognized NN become active - Hadoop - [issue]
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...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...
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http://issues.apache.org/jira/browse/HADOOP-9608
Author: Todd Lipcon,
2013-05-31, 01:51
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[HADOOP-7101] UserGroupInformation.getCurrentUser() fails when called from non-Hadoop JAAS context - Hadoop - [issue]
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...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....
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http://issues.apache.org/jira/browse/HADOOP-7101
Author: Todd Lipcon,
2013-05-28, 17:29
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[HADOOP-6171] "package" task in build.xml should copy source with preservelastmodified - Hadoop - [issue]
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...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 ...
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http://issues.apache.org/jira/browse/HADOOP-6171
Author: Todd Lipcon,
2013-05-27, 15:22
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[HADOOP-9307] BufferedFSInputStream.read returns wrong results after certain seeks - Hadoop - [issue]
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...After certain sequences of seek/read, BufferedFSInputStream can silently return data from the wrong part of the file. Further description in first comment below....
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http://issues.apache.org/jira/browse/HADOOP-9307
Author: Todd Lipcon,
2013-05-15, 15:06
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[HADOOP-9545] Improve logging in ActiveStandbyElector - Hadoop - [issue]
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...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...
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http://issues.apache.org/jira/browse/HADOOP-9545
Author: Todd Lipcon,
2013-05-10, 05:18
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[HADOOP-8905] Add metrics for HTTP Server - Hadoop - [issue]
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...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...
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http://issues.apache.org/jira/browse/HADOOP-8905
Author: Todd Lipcon,
2013-05-08, 13:31
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[HADOOP-6311] Add support for unix domain sockets to JNI libs - Hadoop - [issue]
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...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)...
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http://issues.apache.org/jira/browse/HADOOP-6311
Author: Todd Lipcon,
2013-05-03, 18:30
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