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<tt><br>
</tt><tt>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. </tt><tt><br>
</tt>
<ul>
<li><tt>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.</tt></li>
<li><tt>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.</tt></li>
<li><tt>Real-time kernel and userspace patching with Ksplice for
Oracle Linux to simplify managing cloud infrastructure and
improve security.</tt></li>
<li><tt>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.</tt></li>
<li><tt>Enhancements to Oracle Linux DTrace for dynamic, real-time
system tracing on production systems</tt></li>
<li><tt>The production release and support of Ceph Storage for
Oracle Linux Release 1.0, based on the upstream Firefly
release</tt></li>
<li><tt>New real-time kernel features including timerless
(tickless) multitasking and the addition of the deadline
scheduling class</tt></li>
<li><tt>Enhanced infiniband features including improved protocols,
drivers and firmware.</tt></li>
<li><tt>A number of updates to key areas such as XFS, Btrfs, Ext4,
NFS, FUSE and the Overlay file systems.</tt></li>
<li><tt>A number of driver updates supporting the latest hardware.</tt></li>
</ul>
<tt>For more information on this release, please review the release
notes <a
href="https://docs.oracle.com/cd/E52668_01/E69348/html/index.html">here</a>.</tt><tt><br>
</tt><br>
<pre style="color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Software Accessibility
All packages are available on the <a href="http://linux.oracle.com">Unbreakable Linux Network</a>
Thank You
Sincerely.
The Oracle Linux Team
</pre>
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