CDH 4 Release Notes

The following lists all Apache Zookeeper Jiras included in CDH 4 that are not included in the Apache Zookeeper base version 3.4.3. The zookeeper-3.4.3-cdh4.1.1.CHANGES.txt file lists all changes included in CDH 4. The patch for each change can be found in the cloudera/patches directory in the release tarball.

Changes Not In Apache Zookeeper 3.4.3

CDH

Improvement

[DISTRO-301] - Publish ZooKeeper test JAR to CDH Maven repository

Zookeeper

Bug

[ZOOKEEPER-1522] - intermittent failures in Zab test due to NPE in recursiveDelete test function
[ZOOKEEPER-1465] - Cluster availability following new leader election takes a long time with large datasets - is correlated to dataset size
[ZOOKEEPER-1427] - Writing to local files is done non-atomically
[ZOOKEEPER-1521] - LearnerHandler initLimit/syncLimit problems specifying follower socket timeout limits
[ZOOKEEPER-1489] - Data loss after truncate on transaction log
[ZOOKEEPER-1256] - ClientPortBindTest is failing on Mac OS X
[ZOOKEEPER-1419] - Leader election never settles for a 5-node cluster
[ZOOKEEPER-1412] - java client watches inconsistently triggered on reconnect
[ZOOKEEPER-1277] - servers stop serving when lower 32bits of zxid roll over
[ZOOKEEPER-1354] - AuthTest.testBadAuthThenSendOtherCommands fails intermittently
[ZOOKEEPER-1386] - avoid flaky URL redirection in "ant javadoc" : replace "http://java.sun.com/javase/6/docs/api/" with "http://download.oracle.com/javase/6/docs/api/"

Improvement

[ZOOKEEPER-1497] - Allow server-side SASL login with JAAS configuration to be programmatically set (rather than only by reading JAAS configuration file)
[ZOOKEEPER-1510] - Should not log SASL errors for non-secure usage
[ZOOKEEPER-1503] - remove redundant JAAS configuration code in SaslAuthTest and SaslAuthFailTest
[ZOOKEEPER-1435] - cap space usage of default log4j rolling policy
[ZOOKEEPER-1433] - improve ZxidRolloverTest (test seems flakey)
[ZOOKEEPER-1389] - it would be nice if start-foreground used exec $JAVA in order to get rid of the intermediate shell process

New Feature

[ZOOKEEPER-1161] - Provide an option for disabling auto-creation of the data directory