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

We are pleased to announce the release of Cloudera Enterprise 5.3.4 (CDH 5.3.4, Cloudera Manager 5.3.4, and Cloudera Navigator 2.2.4).  

Cloudera Enterprise 5.3.4

This release fixes key bugs and includes the following.

• CDH

• Multiple fixes for HDFS rolling upgrades

• Multiple YARN fair scheduler fixes

• Impala performance and query fixes

• HS2 no longer leaks open file descriptors when using UDFs

For full list of upstream JIRAs fixed in CDH 5.3.4, see the Known issues fixed section of the Release Notes.

• Cloudera Manager fixes for the following issues:

• Slowness observed when accessing replication page.

• Cloudera Manager overwrites the krb5.conf file after disabling management by Cloudera Manager.

• Header injection vulnerability in internal logging call.

• Graph for "Total Containers Running Across NodeManagers" displays incorrect high values.

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.