Apache Hadoop Changelog

Release 2.8.3 - Unreleased (as of 2017-08-28)

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-13588 ConfServlet should respect Accept request header Major conf Weiwei Yang Weiwei Yang
HADOOP-14260 Configuration.dumpConfiguration should redact sensitive information Major conf, security Vihang Karajgaonkar John Zhuge

NEW FEATURES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-13933 Add haadmin -getAllServiceState option to get the HA state of all the NameNodes/ResourceManagers Major tools Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-10480 Add an admin command to list currently open files Major . Kihwal Lee Manoj Govindassamy

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-13628 Support to retrieve specific property from configuration via REST API Major conf Weiwei Yang Weiwei Yang
HDFS-12143 Improve performance of getting and removing inode features Major namenode Daryn Sharp Daryn Sharp
HDFS-12171 Reduce IIP object allocations for inode lookup Major namenode Daryn Sharp Daryn Sharp
HADOOP-14455 ViewFileSystem#rename should support be supported within same nameservice with different mountpoints Major viewfs Brahma Reddy Battula Brahma Reddy Battula
HDFS-12131 Add some of the FSNamesystem JMX values as metrics Minor hdfs, namenode Erik Krogen Erik Krogen
HADOOP-14627 Support MSI and DeviceCode token provider in ADLS Major fs/adl Atul Sikaria Atul Sikaria
HADOOP-14251 Credential provider should handle property key deprecation Critical security John Zhuge John Zhuge

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-10829 Iteration on CredentialProviderFactory.serviceLoader is thread-unsafe Major security Benoy Antony Benoy Antony
HADOOP-14578 Bind IPC connections to kerberos UPN host for proxy users Major ipc Daryn Sharp Daryn Sharp
HDFS-11896 Non-dfsUsed will be doubled on dead node re-registration Blocker . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-14677 mvn clean compile fails Major build Andras Bokor Andras Bokor
HADOOP-14702 Fix formatting issue and regression caused by conversion from APT to Markdown Minor documentation Doris Gu Doris Gu
YARN-6965 Duplicate instantiation in FairSchedulerQueueInfo Minor fairscheduler Masahiro Tanaka Masahiro Tanaka
HDFS-11738 Hedged pread takes more time when block moved from initial locations Major hdfs-client Vinayakumar B Vinayakumar B

SUB-TASKS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-14678 AdlFilesystem#initialize swallows exception when getting user name Minor fs/adl John Zhuge John Zhuge