This is the documentation for CDH 4.7.1. Documentation for other versions is available at Cloudera Documentation.

Cloudera Manager 4 and CDH 4 have reached End of Maintenance (EOM) on August 9, 2015. Cloudera will not support or provide patches for any of the Cloudera Manager 4 or CDH 4 releases after that date.

What's New in CDH4.1.5

This is a maintenance release that fixes a security issue, as well as a number of issues including the following.

  • Hadoop Common
    • HADOOP-9439 - JniBasedUnixGroupsMapping: fix some crash bugs
    • HADOOP-8151 - Error handling in snappy decompressor throws invalid exceptions
  • HDFS
    • HDFS-4799 - Corrupt replica can be prematurely removed from corruptReplicas map
    • HDFS-4621 - Additional logging to help diagnose slow QJM logSync
  • Oozie
    • OOZIE-1377 - OpenJPA runtime enhancement should be disabled and update OpenJPA to 2.2.2
    • OOZIE-1440 - Build fails in certain environments due to xerces OpenJPA issue
This page last updated August 5, 2015