Apache Hadoop Changelog

Release 2.6.6 - Unreleased (as of 2018-09-02)

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-13812 Upgrade Tomcat to 6.0.48 Blocker kms John Zhuge John Zhuge

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HDFS-8865 Improve quota initialization performance Major . Kihwal Lee Kihwal Lee
YARN-7590 Improve container-executor validation check Major security, yarn Eric Yang Eric Yang

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HDFS-9003 ForkJoin thread pool leaks Major . Kihwal Lee Kihwal Lee
YARN-4328 Findbugs warning in resourcemanager in branch-2.7 and branch-2.6 Minor resourcemanager Varun Saxena Akira Ajisaka
HDFS-11180 Intermittent deadlock in NameNode when failover happens. Blocker namenode Abhishek Modi Akira Ajisaka
HDFS-11352 Potential deadlock in NN when failing over Critical namenode Erik Krogen Erik Krogen
HADOOP-13433 Race in UGI.reloginFromKeytab Major security Duo Zhang Duo Zhang
YARN-6056 Yarn NM using LCE shows a failure when trying to delete a non-existing dir Major yarn Wilfred Spiegelenburg Wilfred Spiegelenburg
YARN-6615 AmIpFilter drops query parameters on redirect Major . Wilfred Spiegelenburg Wilfred Spiegelenburg
HADOOP-14474 Use OpenJDK 7 instead of Oracle JDK 7 to avoid oracle-java7-installer failures Major build Akira Ajisaka Akira Ajisaka
HADOOP-15143 NPE due to Invalid KerberosTicket in UGI Major . Jitendra Nath Pandey Mukul Kumar Singh

TESTS:

JIRA Summary Priority Component Reporter Contributor
HDFS-11290 TestFSNameSystemMBean should wait until JMX cache is cleared Major test Akira Ajisaka Erik Krogen