diff options
Diffstat (limited to 'release')
| -rw-r--r-- | release/doc/en_US.ISO8859-1/relnotes/article.xml | 75 |
1 files changed, 46 insertions, 29 deletions
diff --git a/release/doc/en_US.ISO8859-1/relnotes/article.xml b/release/doc/en_US.ISO8859-1/relnotes/article.xml index 47c1010..4440bdd 100644 --- a/release/doc/en_US.ISO8859-1/relnotes/article.xml +++ b/release/doc/en_US.ISO8859-1/relnotes/article.xml @@ -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>&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>ISDN4BSD(I4B), <filename>netatm</filename>, and all - related subsystems have been removed due to lack of - multi-processor support.</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 role="merged">A bug in TCP options padding, where the wrong padding - bytes were used, has been fixed.</para> + <para>Support for up to 65536 routing tables has been + introduced.</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>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>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>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>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 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>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> |
