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[HADOOP-9122] Add powermock library for writing better unit tests - Hadoop - [issue]
...This library is extension of mockito and easymock libraries. It allows testing of private methods, private variables and other otherwise untestable stuff.    Author: Radim Kolar , 2017-09-29, 16:35
[YARN-1526] change owner before setting setguid - YARN - [issue]
...if nodemgr work directory has copy group from parent flag (often set on /tmp), chmod fails to set gid bit because owners group does not match caller chown first, then chmod...    Author: Radim Kolar , 2016-10-27, 18:31
[YARN-1519] check if sysconf is implemented before using it - YARN - [issue]
...If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to segfault because invalid pointer gets passed to libc function.fix: enforce minimum value 1024, same method is used in ha...    Author: Radim Kolar , 2016-08-30, 01:31
[MAPREDUCE-5465] Tasks are often killed before they exit on their own - MapReduce - [issue]
...If there is profiling enabled for mapper or reducer then hprof dumps profile.out at process exit. It is dumped after task signaled to AM that work is finished.AM kills container with finishe...    Author: Radim Kolar , 2016-08-30, 01:20
[YARN-178] Fix custom ProcessTree instance creation - YARN - [issue]
...1. In current pluggable resourcecalculatorprocesstree is not passed root process id to custom implementation making it unusable.2. pstree do not extend Configured as it shouldAdded construct...    Author: Radim Kolar , 2016-05-12, 18:30
[YARN-210] Make TestQueueParsing unit test to work again - YARN - [issue]
...revieve testMaxCapacity() from TestQueueParsing...    Author: Radim Kolar , 2016-05-12, 18:30
[YARN-1327] Fix nodemgr native compilation problems on FreeBSD9 - YARN - [issue]
...There are several portability problems preventing from compiling native component on freebsd.1. libgen.h is not included. correct function prototype is there but linux glibc has workaround t...    Author: Radim Kolar , 2016-05-12, 18:29
[HADOOP-8360] empty-configuration.xml fails xml validation - Hadoop - [issue]
.../hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/empty-configuration.xml<?xml> declaration cant follow comment...    Author: Radim Kolar , 2016-05-12, 18:27
[MAPREDUCE-4887] Rehashing partitioner for better distribution - MapReduce - [issue]
...rehash value returned by Object.hashCode() to get better distribution...    Author: Radim Kolar , 2016-05-12, 18:23
[HADOOP-8527] Dont use JDK6 tools as dependency - Hadoop - [issue]
...In hadoop-project/pom.xml there is dependency on with system scope. This dependency breaks maven-assembly jar-with-dependencies because it tries to find artifact whic...    Author: Radim Kolar , 2016-05-12, 18:23