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[HADOOP-6947] Kerberos relogin should set refreshKrb5Config to true - Hadoop - [issue]
...In working on securing a daemon that uses two different principals from different threads, I found that I wasn't able to login from a second keytab after I'd logged in from the first. This i...
http://issues.apache.org/jira/browse/HADOOP-6947    Author: Todd Lipcon, 2014-06-20, 11:15
[HADOOP-9618] Add thread which detects JVM pauses - Hadoop - [issue]
...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...
http://issues.apache.org/jira/browse/HADOOP-9618    Author: Todd Lipcon, 2014-05-07, 21:41
[HADOOP-7147] setnetgrent in native code is not portable - Hadoop - [issue]
...HADOOP-6864 uses the setnetgrent function in a way which is not compatible with BSD APIs, where the call returns void rather than int. This prevents the native libs from building on OSX, for...
http://issues.apache.org/jira/browse/HADOOP-7147    Author: Todd Lipcon, 2014-04-21, 21:05
[HADOOP-8608] Add Configuration API for parsing time durations - Hadoop - [issue]
...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, ...
http://issues.apache.org/jira/browse/HADOOP-8608    Author: Todd Lipcon, 2014-03-05, 15:42
[HADOOP-9898] Set SO_KEEPALIVE on all our sockets - Hadoop - [issue]
...We recently saw an issue where network issues between slaves and the NN caused ESTABLISHED TCP connections to pile up and leak on the NN side. It looks like the RST packets were getting drop...
http://issues.apache.org/jira/browse/HADOOP-9898    Author: Todd Lipcon, 2014-02-24, 20:58
[HADOOP-6408] Add a /conf servlet to dump running configuration - Hadoop - [issue]
...HADOOP-6184 added a command line flag to dump the running configuration. It would be great for cluster troubleshooting to provide access to this as a servlet, preferably in both JSON and XML...
http://issues.apache.org/jira/browse/HADOOP-6408    Author: Todd Lipcon, 2014-02-04, 01:45
[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
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