Date: Tue, 18 Feb 2014 03:59:30 +0000 (UTC) From: Warren Block <wblock@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r43976 - head/en_US.ISO8859-1/htdocs Message-ID: <201402180359.s1I3xUm3013091@svn.freebsd.org>
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Author: wblock Date: Tue Feb 18 03:59:30 2014 New Revision: 43976 URL: http://svnweb.freebsd.org/changeset/doc/43976 Log: Update the features page. Modified version of patch supplied. PR: docs/186614 Submitted by: Allan Jude <freebsd@allanjude.com> Modified: head/en_US.ISO8859-1/htdocs/features.xml Modified: head/en_US.ISO8859-1/htdocs/features.xml ============================================================================== --- head/en_US.ISO8859-1/htdocs/features.xml Tue Feb 18 02:30:23 2014 (r43975) +++ head/en_US.ISO8859-1/htdocs/features.xml Tue Feb 18 03:59:30 2014 (r43976) @@ -36,11 +36,68 @@ diverse and world-wide membership of the volunteer &os; Project.</p> - <p><b>&os; 9.0</b>, brings many new features + <p><b>&os; 10.X</b> introduced many new features + and replaces many legacy tools with updated versions.</p> + + <ul> + <li><b>bhyve</b>: + A new BSD licensed, legacy-free hypervisor has been imported + to the &os; base system. It is currently able to run all + supported versions of &os;, and with the help of the + grub-bhyve port, OpenBSD and Linux.</li> + + <li><b>KMS And New drm2 Video Drivers</b>: + The new drm2 driver provides support for AMD GPUs up to the + Radeon HD 6000 series and provides partial support for + the Radeon HD 7000 family. &os; now also supports + Kernel Mode Setting for AMD and Intel GPUs.</li> + + <li><b>Capsicum Enabled By Default</b>: + Capsicum has been enabled in the kernel by default, allowing + sandboxing of several programs that work within the + "capabilities mode", such as: + <ul> + <li>tcpdump</li> + <li>dhclient</li> + <li>hast</li> + <li>rwhod</li> + <li>kdump</li> + </ul> + </li> + + <li><b>New Binary Packaging System</b>: + &os; now uses pkg, a vastly improved package management + system that supports multiple repositories, signed packages, + and safe upgrades. The improved system is combined with + more frequent official package builds for all supported + platforms and a new stable branch of the ports tree for + better long term support.</li> + + <li><b>Unmapped I/O</b>: + The newly implemented concept of unmapped VMIO buffers + eliminates the need to perform costly TLB shootdowns for + buffer creation and reuse, reducing system CPU time by up to + 25-30% on large SMP machines under heavy I/O load.</li> + </ul> + + <p><b>&os; 9.X</b> brought many new features and performance enhancements with a special focus on desktop - support and security features.</p> + support and security.</p> <ul> + <li><b>OpenZFS</b>: + &os; 9.2 includes OpenZFS v5000 (Feature Flags), including + the feature flags: + <ul> + <li>async_destroy</li> + <li>empty_bpobj</li> + <li>lz4_compress</li> + </ul> + which allow ZFS destroy operations to happen in the + background, make snapshots consume less disk space, and + offers a better compression algorithm for compressed + datasets.</li> + <li><b>Capsicum Capability Mode</b>: Capsicum is a set of features for sandboxing support, using a capability model in which the capabilities are file @@ -59,14 +116,14 @@ These allow a structured way to dynamically extend the kernel at runtime in an ABI preserving manner.</li> - <li><b>Accounting API:</b> has been implemented. It can keep + <li><b>Accounting API</b> has been implemented. It can keep per-process, per-jail, and per-login class resource accounting information. Note that this is neither built nor installed by default. To build and install this, specify the option RACCT in the kernel configuration file and rebuild the base system as described in the &os; Handbook.</li> - <li><b>Resource-limiting API:</b> has been implemented. + <li><b>Resource-limiting API</b> has been implemented. It works in conjunction with the RACCT resource accounting implementation and takes user-configurable actions based on the set of rules it maintains and the current resource @@ -74,17 +131,17 @@ rules in userland. Note that this is neither built nor installed by default.</li> - <li><b>USB:</b> subsystem now supports USB packet filter. + <li><b>USB</b> subsystem now supports USB packet filter. This allows capturing packets which go through each USB host. The architecture of the packet filter is similar to that of bpf. The userland program usbdump(8) has been added.</li> - <li><b>Infiniband support:</b>, OFED (OpenFabrics Enterprise + <li><b>Infiniband support</b>: OFED (OpenFabrics Enterprise Distribution) version 1.5.3 has been imported into the base system.</li> - <li><b>TCP/IP network:</b> stack now supports the mod_cc(9) + <li><b>TCP/IP network</b> stack now supports the mod_cc(9) pluggable congestion control framework. This allows TCP congestion control algorithms to be implemented as dynamically loadable kernel modules. Many kernel @@ -96,42 +153,48 @@ can be set by a new sysctl(8) variable net.inet.tcp.cc.algorithm.</li> - <li><b>SU+J:</b> &os;'s Fast File System now supports soft + <li><b>SU+J</b>: &os;'s Fast File System now supports soft updates with journaling. It introduces an intent log into a softupdates-enabled file system which eliminates the need for background fsck(8) even on unclean shutdowns.</li> </ul> - <p><b>&os; 8.X</b> brought many new - features and performance enhancements. With special focus on - a new USB stack, &os; 8.X also shipped with experimental support - for NFSv4. A new TTY layer was introduced, which improves - scalability and resources handling in SMP enabled systems.</p> + <p>&os; includes a number of other great features:</p> <ul> - <li><b>Netisr framework:</b> has been reimplemented for - parallel threading support. This is a kernel network - dispatch interface which allows device drivers (and other - packet sources) to direct packets to protocols for directly - dispatched or deferred processing. The new implementation - supports up to one netisr thread per CPU, and several - benchmarks on SMP machines show substantial performance - improvement over the previous version.</li> - - <li><b>Jail improvements:</b> Jails now support multiple IPv4 - and IPv6 addresses per jail, and also support SCTP. - Hierarchies of jails (jails-within-jails) are now supported, - and jails can now be restricted to subsets of available - CPUs.</li> - - <li><b>Linux emulation:</b> layer has been updated to version - 2.6.16 and the default Linux infrastructure port is now - emulators/linux_base-f10 (Fedora 10).</li> + <li><b>Firewalls:</b> + The base system includes IPFW and IPFilter, as well as a + modified version of the popular pf with improved SMP + performance. IPFW also includes the dummynet feature, + allowing network administrators to simular adverse network + conditions, including latency, jitter, packet loss and + limited bandwidth.</li> + + <li><b>Jails</b> + are a light-weight alternative to virtualization. + Allowing processes to be restricted to a namespace with + access only to the file systems and network addresses + assigned to that namespace. Jails are also Hierarchical, + allowing jails-within-jails.</li> + + <li><b>Linux emulation</b> + provides a system call translation layer that allows + unmodified Linux binaries to be run on &os; systems.</li> + + <li><b>DTrace</b> + provides a comprehensive framework for tracing and + troubleshooting kernel and application performance issues + while under live load.</li> + + <li><b>The Ports Collection</b> is a set of more than 23,000 third + party applications that can be easily installed and run on + &os;. The ports architecture also allows for easy + customization of the compile time options of many of the + applications.</li> <li><b>Network Virtualization:</b> A container ("vimage") has been implemented, extending the &os; kernel to maintain - multiple independent instances of networking state. - Vimage facilities can be used independently to create fully + multiple independent instances of networking state. Vimage facilities can be used independently to create fully virtualized network topologies, and jail(8) can directly take advantage of a fully virtualized network stack.</li> </ul>
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