title: Release 1.0.4 available date: 2012-10-12

This is a Security Patch release for version 1.0.

There are four bug fixes and feature enhancements in this minor release:

  • Security issue CVE-2012-4449: Hadoop tokens use a 20-bit secret
  • HADOOP-7154 - set MALLOC_ARENA_MAX in hadoop-config.sh to resolve problems with glibc in RHEL-6
  • HDFS-3652 - FSEditLog failure removes the wrong edit stream when storage dirs have same name
  • MAPREDUCE-4399 - Fix (up to 3x) performance regression in shuffle

Please see the Hadoop 1.0.4 Release Notes for details.