Apache Hadoop Changelog

Release 0.18.2 - 2008-11-03

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-4228 dfs datanode metrics, bytes_read, bytes_written overflows due to incorrect type used. Blocker metrics Eric Yang Eric Yang

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-2421 Release JDiff report of changes between different versions of Hadoop Minor documentation Nigel Daley Doug Cutting

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-4277 Checksum verification is disabled for LocalFS Blocker . Raghu Angadi Raghu Angadi
HADOOP-4271 Bug in FSInputChecker makes it possible to read from an invalid buffer Blocker fs Ning Li Ning Li
HADOOP-3614 TestLeaseRecovery fails when run with assertions enabled. Blocker . Konstantin Shvachko Tsz Wo Nicholas Sze
HADOOP-4314 TestReplication fails quite often Blocker test Raghu Angadi Raghu Angadi
HADOOP-4326 ChecksumFileSystem does not override all create(…) methods Blocker fs Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-4395 Reloading FSImage and FSEditLog may erase user and group information Blocker . Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-4351 ArrayIndexOutOfBoundsException during fsck Blocker . Brian Bockelman Hairong Kuang
HADOOP-4407 HADOOP-4395 should use a Java 1.5 API for 0.18 Blocker . Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-4292 append() does not work for LocalFileSystem Blocker fs Raghu Angadi Hairong Kuang
HADOOP-3217 [HOD] Be less agressive when querying job status from resource manager. Blocker contrib/hod Hemanth Yamijala Hemanth Yamijala
HADOOP-3786 Changes in HOD documentation Blocker documentation Suman Sehgal Vinod Kumar Vavilapalli
HADOOP-4399 fuse-dfs per FD context is not thread safe and can cause segfaults and corruptions Blocker . Pete Wyckoff Pete Wyckoff
HADOOP-4369 Metric Averages are not averages Blocker metrics Brian Bockelman Brian Bockelman
HADOOP-4469 ant jar file not being included in tar distribution Blocker build Nigel Daley Nigel Daley
HADOOP-3914 checksumOk implementation in DFSClient can break applications Blocker . Christian Kunz Christian Kunz
HADOOP-4467 SerializationFactory should use current context ClassLoader Blocker . Chris K Wensel Chris K Wensel
HADOOP-4517 unstable dfs when running jobs on 0.18.1 Blocker . Christian Kunz Tsz Wo Nicholas Sze
HADOOP-4526 fsck failing with NullPointerException (return value 0) Major . Koji Noguchi Hairong Kuang
HADOOP-4533 HDFS client of hadoop 0.18.1 and HDFS server 0.18.2 (0.18 branch) not compatible Blocker . Runping Qi Hairong Kuang
HADOOP-4483 getBlockArray in DatanodeDescriptor does not honor passed in maxblocks value Critical . Ahad Rana Ahad Rana
HADOOP-4340 “hadoop jar” always returns exit code 0 (success) to the shell when jar throws a fatal exception Major . David Litster Arun C Murthy

TESTS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-4403 TestLeaseRecovery.testBlockSynchronization failed on trunk Blocker test Hemanth Yamijala Tsz Wo Nicholas Sze