Announcing: Cloudera Enterprise 5.1.5 and 5.2.5

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Dear CDH, Cloudera Manager, Impala, and Cloudera Navigator users,

We are pleased to announce the release of Cloudera Enterprise 5.1.5 (CDH 5.1.5, Cloudera Manager 5.1.5, and Cloudera Navigator 2.0.5) and Cloudera Enterprise 5.2.5 (CDH 5.2.5, Cloudera Manager 5.2.5, and Cloudera Navigator 2.1.5).

Cloudera Enterprise 5.1.5

This release fixes key bugs and includes the following.

CDH

• Replacing DataNode disks or manually changing the Storage IDs of volumes in a cluster may result in data loss. Fixed as part of HDFS-7575, HDFS-7596, HDFS-7960 and HDFS-7208.

• Fixes to the dfsadmin command-line option and the inclusion of a command to manually trigger full block reports from a DataNode.

• Improved recovery speed after service or host failure, and fixes to handle race conditions with HDFS integration in Search.

• Bug fixes in YARN for handling display of clock skew, consistent time zone on the web UI, and ResourceManager high availability.

• Fix to address LDAP authentication, integration of Hive with HBase through Oozie, and other bug fixes in Hive.

• Bug fixes in Hue and Parquet.

• Fixes in Impala to address memory leaks with secure transport, performance improvements in the Python SASL client, and other issues with SASL transport.

For full list of upstream JIRAs fixed in CDH 5.1.5, please see the Known issues fixed section of the Release Notes.

Cloudera Manager

• Starting new ZooKeeper servers shortly after adding them no longer causes ZooKeeper data loss when the number of new servers exceeds the number of old servers.

Cloudera Navigator

• Fixed memory leak in Navigator Audit Server due to an error during batch operations. 

Cloudera Enterprise 5.2.5

This release fixes key bugs and includes the following.

CDH

• Replacing DataNode disks or mManually changing the Storage IDs of volumes in a cluster may result in data loss. Fixed as part of HDFS-7575, HDFS-7596, HDFS-7960 and HDFS-7208.

• Bug fixes in YARN for handling display of clock skew and consistent time zone on the web UI.

• Performance improvements, fixes to handle race conditions, hanging jobs and other issues in MapReduce.

• Index corruption during replication and other fixes in Search.

• Bug fixes in Hive, Hue, Sentry and Sqoop.

• A compatibility mode for handling timestamps generated by Hive in Parquet, fixes to handle memory leaks amongst other fixes in Impala.

For full list of upstream JIRAs fixed in CDH 5.2.5, please see the Known issues fixed section of the Release Notes.

Cloudera Manager

• Starting new ZooKeeper servers shortly after adding them no longer causes ZooKeeper data loss when the number of new servers exceeds the number of old servers.

• Permissions set incorrectly on YARN Keytab files

Cloudera Navigator

• Navigator Audit Server reports invalid null characters in HBase audit events when using the PostgreSQL database

We look forward to you trying it out, using the information below:

• Download Cloudera Enterprise from: http://www.cloudera.com/content/support/en/downloads.html

• View the documentation:

• CDH 5 Release Notes

• Cloudera Manager Release Notes

• Cloudera Navigator Release Notes

As always, we are happy to hear your feedback. Please send your comments and suggestions to the user group or through our community forums.  You can also file bugs through our external JIRA projects on issues.cloudera.org.