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[HADOOP-10288] Explicit reference to Log4JLogger breaks non-log4j users - Hadoop - [issue]
...In HttpRequestLog, we make an explicit reference to the Log4JLogger class for an instanceof check. If the log4j implementation isn't actually on the classpath, the instanceof check throws No...
http://issues.apache.org/jira/browse/HADOOP-10288    Author: Todd Lipcon, 2014-01-28, 23:37
[HADOOP-9420] Add percentile or max metric for rpcQueueTime, processing time - Hadoop - [issue]
...Currently, we only export averages for rpcQueueTime and rpcProcessingTime. These metrics are most useful when looking at timeouts and slow responses, which in my experience are often caused ...
http://issues.apache.org/jira/browse/HADOOP-9420    Author: Todd Lipcon, 2014-01-10, 14:46
[HADOOP-9307] BufferedFSInputStream.read returns wrong results after certain seeks - Hadoop - [issue]
...After certain sequences of seek/read, BufferedFSInputStream can silently return data from the wrong part of the file. Further description in first comment below....
http://issues.apache.org/jira/browse/HADOOP-9307    Author: Todd Lipcon, 2013-12-24, 05:57
[HADOOP-8855] SSL-based image transfer does not work when Kerberos is disabled - Hadoop - [issue]
...In SecurityUtil.openSecureHttpConnection, we first check UserGroupInformation.isSecurityEnabled(). However, this only checks the kerberos config, which is independent of hadoop.ssl.enabled. ...
http://issues.apache.org/jira/browse/HADOOP-8855    Author: Todd Lipcon, 2013-10-31, 21:11
[HADOOP-7335] Force entropy to come from non-true random for tests - Hadoop - [issue]
...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...
http://issues.apache.org/jira/browse/HADOOP-7335    Author: Todd Lipcon, 2013-08-09, 19:59
[HADOOP-7841] Run tests with non-secure random - Hadoop - [issue]
...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 ...
http://issues.apache.org/jira/browse/HADOOP-7841    Author: Todd Lipcon, 2013-08-09, 19:59
[HADOOP-6578] Configuration should trim whitespace around a lot of value types - Hadoop - [issue]
...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 ...
http://issues.apache.org/jira/browse/HADOOP-6578    Author: Todd Lipcon, 2013-08-09, 10:31
[HADOOP-9707] Fix register lists for crc32c inline assembly - Hadoop - [issue]
...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...
http://issues.apache.org/jira/browse/HADOOP-9707    Author: Todd Lipcon, 2013-07-16, 15:40
[HADOOP-7140] IPC Reader threads do not stop when server stops - Hadoop - [issue]
...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...
http://issues.apache.org/jira/browse/HADOOP-7140    Author: Todd Lipcon, 2013-06-21, 06:03
[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
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB