svn commit: r258914 - head/release/doc/en_US.ISO8859-1/relnotes
Craig Rodrigues
rodrigc at FreeBSD.org
Wed Dec 4 08:20:05 UTC 2013
Author: rodrigc
Date: Wed Dec 4 08:20:04 2013
New Revision: 258914
URL: http://svnweb.freebsd.org/changeset/base/258914
Log:
Update release notes.
Submitted by: skreuzer
Modified:
head/release/doc/en_US.ISO8859-1/relnotes/article.xml
Modified: head/release/doc/en_US.ISO8859-1/relnotes/article.xml
==============================================================================
--- head/release/doc/en_US.ISO8859-1/relnotes/article.xml Wed Dec 4 07:55:49 2013 (r258913)
+++ head/release/doc/en_US.ISO8859-1/relnotes/article.xml Wed Dec 4 08:20:04 2013 (r258914)
@@ -120,6 +120,9 @@
<sect2 xml:id="kernel">
<title>Kernel Changes</title>
+ <para arch="amd64">The maximum amount of memory the &os; kernel
+ can address has been increased from 1TB to 4TB.</para>
+
<para>A new &man.cpuset.2; API has been added
for thread to CPU binding and CPU resource grouping and
assignment. The &man.cpuset.1; userland utility has been added
@@ -201,7 +204,9 @@
<sect4 xml:id="mm">
<title>Multimedia Support</title>
- <para/>
+ <para>Support for version 2.0 of the USB Audio reference design
+ has been added. New devices should support higher bandwidth,
+ increased sampling frequency and wider dynamic range.</para>
</sect4>
@@ -249,26 +254,23 @@
<sect3 xml:id="net-proto">
<title>Network Protocols</title>
- <para>The &man.bpf.4; packet filter and capture facility now
- supports a zero-copy mode of operation, in which buffers are
- loaned from a user process to the kernel. This feature can
- be enabled by setting
- the <varname>net.bpf.zerocopy_enable</varname> sysctl
- variable to <literal>1</literal>.</para>
-
- <para>ISDN4BSD(I4B), <filename>netatm</filename>, and all
- related subsystems have been removed due to lack of
- multi-processor support.</para>
-
- <para role="merged">A bug in TCP options padding, where the wrong padding
- bytes were used, has been fixed.</para>
-
- <para role="merged">The IEEE 802.11s element identifiers have
- been updated to reflect the final version of the amendment. This
- update breaks compatibility with older mesh setups but is necessary
- as the previous IDs are used by another amendment leading to
- unexpected results when trying to associate with an accesspoint
- using the affected IDs.</para>
+ <para>&man.carp.4; has been rewritten to make addresses
+ more sane from the viewpoint of routing daemons such as
+ quagga/zebra. It also brings support for a single redundant
+ address on the subnet (carpdev), switching state with
+ ifconfig, better locking and using modern kernel
+ interfaces to allocate multicast memberships.</para>
+
+ <para>The &man.pf.4; firewall now supports fine-grain locking
+ and better utilization on multi-cpu machines resulting in
+ significant improvements in performance.</para>
+
+ <para>Support for up to 65536 routing tables has been
+ introduced.</para>
+
+ <para>Support for setting/matching differentiated services
+ codepoints (DSCP) in IP header has been added to
+ &man.ipfw.8;.</para>
</sect3>
@@ -293,19 +295,34 @@
<sect3 xml:id="fs">
<title>File Systems</title>
- <para>A problem with using &man.mmap.2; on ZFS filesystems has
- been fixed.</para>
+ <para>A new kernel-based iSCSI target and initiator has been
+ added</para>
- <para>A new kernel-mode NFS lock manager has been added,
- improving performance and behavior of NFS locking. A new
- &man.clear.locks.8; command has been added to clear locks held
- on behalf of an NFS client.</para>
-
- <para role="merged">The <application>ZFS</application> file system
- has been upgraded to version 28. Changes include Data
- Deduplication, Triple parity RAIDZ, and zfs diff.</para>
+ <para>UFS filesystems can now be enlarged with &man.growfs.8; while
+ mounted read-write. This is especially useful for virtual
+ machines, allowing the addition of more harddrive space without
+ interruption of service.</para>
+
+ <para>A state of the art FUSE implementation is now part of the
+ base system. It allows the use of nearly all fusefs file
+ systems</para>
+
+ <para>Support for the high performance LZ4 compression algorithm
+ has been added to ZFS. LZ4 is usually faster and can achieve a
+ higher compression ratio than LZJB, the default compression
+ algorithm</para>
+
+ <para>Support for L2ARC compression has been added to ZFS.</para>
+
+ <para>ZFS will now compare the checksums of incoming writes to
+ the checksum of the existing on-disk data and avoid issuing any
+ write I/O for data that has not changed. This will reduce I/O
+ as well as space usage because if the old block is referenced
+ by a snapshot, both copies of the block are kept even though
+ both contain the same data.</para>
</sect3>
+
</sect2>
<sect2 xml:id="userland">
@@ -443,8 +460,8 @@
<para role="merged"><application>bzip2</application> has been updated from 1.0.4
to 1.0.5.</para>
- <para><application>CVS</application> has been updated from 1.11.17
- to a post-1.11.22 snapshot from 10 March 2008.</para>
+ <para><application>CVS</application> has been removed from the
+ base system, but is still available from ports</para>
<para><application>FILE</application> has been updated from 4.23
to 5.03.</para>
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