r4606 - trunk/varnish-cache/doc
tfheen at projects.linpro.no
tfheen at projects.linpro.no
Wed Mar 10 10:17:37 CET 2010
Author: tfheen
Date: 2010-03-10 10:17:36 +0100 (Wed, 10 Mar 2010)
New Revision: 4606
Added:
trunk/varnish-cache/doc/changes-2.0.1-2.0.2.xml
trunk/varnish-cache/doc/changes-2.0.3-2.0.4.xml
trunk/varnish-cache/doc/changes-2.0.3.xml
trunk/varnish-cache/doc/changes-2.0.4-2.0.5.xml
trunk/varnish-cache/doc/changes-2.0.5-2.0.6.xml
trunk/varnish-cache/doc/changes-2.0.5.xml
trunk/varnish-cache/doc/changes-2.0.6.xml
Modified:
trunk/varnish-cache/doc/Makefile.am
Log:
Merge changelogs from the 2.0 branch
Modified: trunk/varnish-cache/doc/Makefile.am
===================================================================
--- trunk/varnish-cache/doc/Makefile.am 2010-03-09 11:27:08 UTC (rev 4605)
+++ trunk/varnish-cache/doc/Makefile.am 2010-03-10 09:17:36 UTC (rev 4606)
@@ -1,6 +1,11 @@
# $Id$
CHANGELOGS = \
+ changes-2.0.6.html \
+ changes-2.0.5.html \
+ changes-2.0.4.html \
+ changes-2.0.3.html \
+ changes-2.0.2.html \
changes-2.0.1.html \
changes-2.0.html \
changes-1.1.2.html \
@@ -9,6 +14,11 @@
changes-1.0.4.html
XML = \
+ changes-2.0.5-2.0.6.xml \
+ changes-2.0.4-2.0.5.xml \
+ changes-2.0.3-2.0.4.xml \
+ changes-2.0.2-2.0.3.xml \
+ changes-2.0.1-2.0.2.xml \
changes-2.0-2.0.1.xml \
changes-1.1.2-2.0.xml \
changes-1.1.1-1.1.2.xml \
Added: trunk/varnish-cache/doc/changes-2.0.1-2.0.2.xml
===================================================================
--- trunk/varnish-cache/doc/changes-2.0.1-2.0.2.xml (rev 0)
+++ trunk/varnish-cache/doc/changes-2.0.1-2.0.2.xml 2010-03-10 09:17:36 UTC (rev 4606)
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE group [
+<!ENTITY mdash "—">
+]>
+<!-- $Id$ -->
+<group from="2.0.1" to="2.0.2">
+ <subsystem>
+ <name>varnishd</name>
+
+ <change type="bug" ref="345">
+ <para>In high-load situations, when using
+ ESI, <code>varnishd</code> would sometimes mishandle objects and
+ crash. This has been worked around. </para>
+ </change>
+ </subsystem>
+
+ <subsystem>
+ <name>varnishreplay</name>
+
+ <change type="bug">
+ <para><code>varnishreplay</code> did not work correctly on
+ Linux, due to a too small stack. This has now been fixed.</para>
+ </change>
+ </subsystem>
+</group>
Added: trunk/varnish-cache/doc/changes-2.0.3-2.0.4.xml
===================================================================
--- trunk/varnish-cache/doc/changes-2.0.3-2.0.4.xml (rev 0)
+++ trunk/varnish-cache/doc/changes-2.0.3-2.0.4.xml 2010-03-10 09:17:36 UTC (rev 4606)
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE group [
+<!ENTITY mdash "—">
+]>
+<!-- $Id$ -->
+<group from="2.0.3" to="2.0.4">
+ <subsystem>
+ <name>varnishd</name>
+
+ <change type="enh">
+ <para>Make Varnish more portable by pulling in fixes for
+ Solaris and NetBSD.</para>
+ </change>
+
+ <change type="bug">
+ <para>Correct description of -a in the manual page.</para>
+ </change>
+
+ <change type="bug">
+ <para>Ensure we are compiling in C99 mode.</para>
+ </change>
+
+ <change type="bug" ref="458">
+ <para>If error was called with a null reason, we would crash on
+ Solaris. Make sure this no longer happens.</para>
+ </change>
+
+ <change type="bug" ref="428">
+ <para>Varnish used to crash if you asked it to use a
+ non-existent waiter. This has now been fixed.</para>
+ </change>
+
+ <change type="enh">
+ <para>Add documentation to the default VCL explaining that
+ using <code>Connection: close</code> in <code>vcl_close</code>
+ is generally a good idea.</para>
+ </change>
+
+ <change type="enh">
+ <para>Add minimal facility for dealing with TELNET option
+ negotiation by returning WONT to DO and DONT requests.</para>
+ </change>
+
+ <change type="enh">
+ <para>If the backend is unhealthy, use a graced object if one is
+ available.</para>
+ </change>
+
+ <change type="enh">
+ <para>Make <code>server.hostname</code>
+ and <code>server.identity</code> available to VCL. The latter
+ can be set with the <code>-i</code> parameter
+ to <code>varnishd</code>.</para>
+ </change>
+
+ <change type="enh">
+ <para>Make <code>restart</code> available
+ from <code>vcl_error</code>.</para>
+ </change>
+
+ <change type="enh">
+ <para>Previously, only the TTL of an object was considered in
+ whether it would be marked as cacheable. This has been changed
+ to take the grace into consideration as well.</para>
+ </change>
+
+ <change type="bug" ref="445">
+ <para>Previously, if an included ESI fragment had a zero size,
+ we would send out a zero-sized chunk which signifies
+ end-of-transmission. We now ignore zero-sized chunks.</para>
+ </change>
+
+ <change type="bug">
+ <para>We accidentially slept for far too long when we reached
+ the maximum number of open file descriptors. This has been
+ corrected and <code>accept_fd_holdoff</code> now works
+ correctly.</para>
+ </change>
+ <change type="bug" ref="476">
+ <para>Previously, when ESI processing, we did not look at the
+ full length, but stopped at the first NULL byte. We no longer
+ do that, enabling ESI processing of binary data.</para>
+ </change>
+ </subsystem>
+
+ <subsystem>
+ <name>varnishtest</name>
+ <change type="bug">
+ <para>Make sure system "..." returns successfully to ensure
+ test failures do not go unnoticed.</para>
+ </change>
+
+ <change type="enh">
+ <para>Make it possible to send NULL bytes through the testing
+ framework.</para>
+ </change>
+ </subsystem>
+</group>
Added: trunk/varnish-cache/doc/changes-2.0.3.xml
===================================================================
--- trunk/varnish-cache/doc/changes-2.0.3.xml (rev 0)
+++ trunk/varnish-cache/doc/changes-2.0.3.xml 2010-03-10 09:17:36 UTC (rev 4606)
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet type="text/xml" href="changes-html.xsl"?>
+<!DOCTYPE changelog [
+ <!ENTITY mdash "—">
+]>
+<!-- $Id$ -->
+<changelog xmlns:xi="http://www.w3.org/2001/XInclude">
+ <package>Varnish</package>
+ <version>2.0.3</version>
+
+ <xi:include href="changes-2.0.2-2.0.3.xml"/>
+</changelog>
Added: trunk/varnish-cache/doc/changes-2.0.4-2.0.5.xml
===================================================================
--- trunk/varnish-cache/doc/changes-2.0.4-2.0.5.xml (rev 0)
+++ trunk/varnish-cache/doc/changes-2.0.4-2.0.5.xml 2010-03-10 09:17:36 UTC (rev 4606)
@@ -0,0 +1,161 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE group [
+<!ENTITY mdash "—">
+]>
+<!-- $Id$ -->
+<group from="2.0.4" to="2.0.5">
+ <subsystem>
+ <name>varnishd</name>
+
+ <change type="bug" ref="498">
+ <para>Handle object workspace overruns better.</para>
+ </change>
+
+ <change type="enh">
+ <para>Allow turning off ESI processing per request by using
+ <code>set req.esi = off</code>.</para>
+ </change>
+
+ <change type="enh">
+ <para>Tell the kernel that we expect to use the mmap-ed file in
+ a random fashion. On Linux, this turns off/down readahead and
+ increases performance.</para>
+ </change>
+
+ <change type="enh">
+ <para>Make it possible to change the maximum number of HTTP
+ headers we allow by
+ passing <code>--with-max-header-fields=NUM</code> rather than
+ changing the code.</para>
+ </change>
+
+ <change type="enh" ref="428">
+ <para>Implement support for HTTP continuation lines.</para>
+ </change>
+
+ <change type="enh">
+ <para>Change how connections are closed and only use SO_LINGER
+ for orderly connection closure. This should hopefully make
+ worker threads less prone to hangups on network problems.</para>
+ </change>
+
+ <change type="bug" ref="502">
+ <para>Handle multi-element purges correctly. Previously we
+ ended up with parse errors when this was done from VCL.</para>
+ </change>
+
+ <change type="bug" ref="506, 549">
+ <para>Handle illegal responses from the backend better by
+ serving a 503 page rather than panic-ing.</para>
+ </change>
+
+ <change type="enh">
+ <para>When we run into an assertion that is not true, Varnish
+ would previously dump a little bit of information about itself.
+ Extend that information with a backtrace. Note that this relies
+ on the varnish binary being unstripped.</para>
+ </change>
+
+ <change type="enh">
+ <para>Add a session_max parameter that limits the maximum
+ number of sessions we keep open before we start dropping new
+ connections summarily.</para>
+ </change>
+
+ <change type="bug">
+ <para>Try to consume less memory when doing ESI processing by
+ properly rolling back used workspace after processing an
+ object. This should make it possible to
+ turn <code>sess_workspace</code> quite a bit for users with
+ ESI-heavy pages.</para>
+ </change>
+
+ <change type="enh">
+ <para>Turn on <code>session_linger</code> by default. Tests
+ have shown that <code>session_linger</code> helps a fair bit
+ with performance.</para>
+ </change>
+
+ <change type="enh">
+ <para>Rewrite the epoll acceptor for better performance. This
+ should lead to both higher processing rates and maximum number
+ of connections on Linux.</para>
+ </change>
+
+ <change type="enh">
+ <para>Add If-None-Match support, this gives significant
+ bandwidth savings for users with compliant browsers.</para>
+ </change>
+
+ <change type="bug" ref="529">
+ <para>RFC2616 specifies
+ that <code>ETag</code>, <code>Content-Location</code>, <code>Expires</code>, <code>Cache-Control</code>
+ and <code>Vary</code> should be emitted when delivering a
+ response with the 304 response code.</para>
+ </change>
+
+ <change type="bug" ref="531">
+ <para>Various fixes which makes Varnish compile and work on AIX.</para>
+ </change>
+
+ <change type="enh">
+ <para>Turn on TCP_DEFER_ACCEPT on Linux. This should make us
+ less suspecible to denial of service attacks as well as give us
+ slightly better performance.</para>
+ </change>
+
+ <change type="enh">
+ <para>Add an <code>.initial</code> property to the backend
+ probe specification. This is the number of good probes we
+ pretend to have seen. The default is one less than .threshold,
+ which means the first probe will decide if we consider the
+ backend healthy.</para>
+ </change>
+
+ <change type="enh">
+ <para>Make it possible to compare strings against other
+ string-like objects, not just plain strings. This allows you to
+ compare two headers, for instance.</para>
+ </change>
+
+ <change type="bug">
+ <para>When support for <code>restart</code>
+ in <code>vcl_error</code> was added, there was no check to
+ prevent infinte recursion. This has now been fixed.
+ </para>
+ </change>
+
+ <change type="enh">
+ <para>Turn on purge_dups by default. This should make us
+ consume less memory when there are many bans for the same
+ pattern added.</para>
+ </change>
+
+ <change type="enh">
+ <para>Add a new log tag called <code>FetchError</code> which
+ tries to explain why we could not fetch an object from the
+ backend.</para>
+ </change>
+
+ <change type="enh">
+ <para>Change the default <code>srcaddr_ttl</code> to 0. It is
+ not used by anything and has been removed in the development
+ version. This will increase performance somewhat.</para>
+ </change>
+
+ </subsystem>
+
+ <subsystem>
+ <name>varnishtop</name>
+ <change type="bug" ref="514">
+ <para>varnishtop did not handle variable-length log fields
+ correctly. This is now fixed.</para>
+ </change>
+
+ <change type="enh">
+ <para>varnishtop previously did not print the name of the tag,
+ which made it very hard to understand. We now print out the
+ tag name.</para>
+ </change>
+ </subsystem>
+</group>
Added: trunk/varnish-cache/doc/changes-2.0.5-2.0.6.xml
===================================================================
--- trunk/varnish-cache/doc/changes-2.0.5-2.0.6.xml (rev 0)
+++ trunk/varnish-cache/doc/changes-2.0.5-2.0.6.xml 2010-03-10 09:17:36 UTC (rev 4606)
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE group [
+<!ENTITY mdash "—">
+]>
+<!-- $Id$ -->
+<group from="2.0.5" to="2.0.6">
+ <subsystem>
+ <name>varnishd</name>
+
+ <change type="bug" ref="585">
+ <para>2.0.5 had an off-by-one error in the ESI handling causing
+ includes to fail a large part of the time. This has now been
+ fixed.</para>
+ </change>
+
+ <change type="bug" ref="584">
+ <para>Try harder to not confuse backends when sending them
+ backend probes. We half-closed the connection, something some
+ backends thought meant we had dropped the connection. Stop
+ doing so, and add the capability for specifying the expected
+ response code.</para>
+ </change>
+
+ <change type="bug">
+ <para>In 2.0.5, session lingering was turned on. This caused
+ statistics to not be counted often enough in some cases. This
+ has now been fixed.</para>
+ </change>
+
+ <change type="bug" ref="547">
+ <para>Avoid triggering an assert if the other end closes the
+ connection while we are lingering and waiting for another
+ request from them.</para>
+ </change>
+
+ <change type="bug" ref="577">
+ <para>When generating backtraces, prefer the built-in backtrace
+ function if such exists. This fixes a problem compiling 2.0.5
+ on Solaris.</para>
+ </change>
+
+ <change type="enh" ref="572">
+ <para>Make it possible to specify the per-thread stack size.
+ This might be useful on 32 bit systems with their limited
+ address space.</para>
+ </change>
+
+ <change type="bug" ref="559">
+ <para>Document the <code>-C</code> option
+ to <code>varnishd</code>.</para>
+ </change>
+ </subsystem>
+</group>
Added: trunk/varnish-cache/doc/changes-2.0.5.xml
===================================================================
--- trunk/varnish-cache/doc/changes-2.0.5.xml (rev 0)
+++ trunk/varnish-cache/doc/changes-2.0.5.xml 2010-03-10 09:17:36 UTC (rev 4606)
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet type="text/xml" href="changes-html.xsl"?>
+<!DOCTYPE changelog [
+ <!ENTITY mdash "—">
+]>
+<!-- $Id$ -->
+<changelog xmlns:xi="http://www.w3.org/2001/XInclude">
+ <package>Varnish</package>
+ <version>2.0.5</version>
+
+ <xi:include href="changes-2.0.4-2.0.5.xml"/>
+</changelog>
Added: trunk/varnish-cache/doc/changes-2.0.6.xml
===================================================================
--- trunk/varnish-cache/doc/changes-2.0.6.xml (rev 0)
+++ trunk/varnish-cache/doc/changes-2.0.6.xml 2010-03-10 09:17:36 UTC (rev 4606)
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet type="text/xml" href="changes-html.xsl"?>
+<!DOCTYPE changelog [
+ <!ENTITY mdash "—">
+]>
+<!-- $Id$ -->
+<changelog xmlns:xi="http://www.w3.org/2001/XInclude">
+ <package>Varnish</package>
+ <version>2.0.6</version>
+
+ <xi:include href="changes-2.0.5-2.0.6.xml"/>
+</changelog>
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