Release 1.1.0 available
This is a beta release for version 1.1.
This release has approximately 135 enhancements and bug fixes compared
to Hadoop-1.0.4, including:
- Many performance improvements in HDFS, backported from trunk
- Improvements in Security to use SPNEGO instead of Kerberized SSL for
HTTP transactions
- Lower default minimum heartbeat for task trackers from 3 sec to
300msec to increase job throughput on small clusters
- Port of Gridmix v3
- Set MALLOC_ARENA_MAX in hadoop-config.sh to resolve problems with
glibc in RHEL-6
- Splittable bzip2 files
- Of course it also has the same security fix as release 1.0.4.
Please see the Hadoop 1.1.0 Release
Notes for
details.
2012 Oct 13