[El-errata] Unbreakable Enterprise Kernel Release 4 for x86_64
Errata Announcements for Oracle Linux
el-errata at oss.oracle.com
Fri Jan 8 10:31:36 PST 2016
The Oracle Linux team is pleased to announce the general availability of
the Unbreakable Enterprise Kernel (UEK) Release 4 for Oracle Linux 6 and
Oracle Linux 7. This release, based on the 4.1 mainline kernel,
delivers many important new features and enhancements engineered for
modern cloud infrastructure.
* Significant performance improvements through enhancements to
features like automatic NUMA balancing and CPU schedulers, and the
introduction of new features like zswap, zram, the LZ4 compression
algorithm, network batch transmissions and low-latency network polling.
* More options for boosting the security of systems and the
applications they host. UEK Release 4 now includes kernel address
space randomization, a new random number system call and updates in
key areas like SELinux, nftables, SHA256 and SHA512.
* Real-time kernel and userspace patching with Ksplice for Oracle
Linux to simplify managing cloud infrastructure and improve security.
* Support for key cloud technologies. Xen host and guest domain
feature and performance enhancements, Open vSwitch and VXLAN
improvements for networking, cgroups and namespace enhancements for
linux containers and Docker.
* Enhancements to Oracle Linux DTrace for dynamic, real-time system
tracing on production systems
* The production release and support of Ceph Storage for Oracle Linux
Release 1.0, based on the upstream Firefly release
* New real-time kernel features including timerless (tickless)
multitasking and the addition of the deadline scheduling class
* Enhanced infiniband features including improved protocols, drivers
* A number of updates to key areas such as XFS, Btrfs, Ext4, NFS, FUSE
and the Overlay file systems.
* A number of driver updates supporting the latest hardware.
For more information on this release, please review the release notes
All packages are available on theUnbreakable Linux Network <http://linux.oracle.com>
The Oracle Linux Team
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