Started some work on the FAQ. Split into different sections and ported some of the old faq from wikisyntax into ReST.\nNo real plan behind the split, just adding sections that seem useful to have as I go through the old FAQ.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@4785 d4fa192b-c00b-0410-8231-f00ffab90ce4

Started some work on the FAQ. Split into different sections and ported some of the old faq from wikisyntax into ReST.\nNo real plan behind the split, just adding sections that seem useful to have as I go through the old FAQ.

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In Learn mode, a backend port can be specified as

	backend fs {
		.host = "127.0.0.1";
		.port = Learn(2);
	}

which complements the varnishtest server::-listen directive:

	server s1 -listen 2 {
		rxreq
		txresp -hdr "Foo: bar" -body "Hello World!"
	} -start -wait

Obviously, the 127.0.0.1 is mandatory for this to work.


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- enable -d
- set listen address to ($L)
- set telnet address to ($L + 1)
- if no storage configured, use "-smalloc, 1m"
- set -n to /tmp/varnish_L_$L
- set ping_interval to zero

Still missing:  VCC magic to hack backends port number.




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- make struct VSL_data the uniform handle.
- eliminate global variables (this allows a program to have multiple
  shmlogs open at the same time).
- add a VSL_Delete() to clean up

This breaks libvarnishapi compatibility with the 2.x series.






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obj.http.*



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single sourcefile, which appears in both libvarnish and libvarnishapi.



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typical of "lets just try to get this into the release" features.

The resent addition of experimental Range: header support, broke
a cornercase in normal content delivery.

If an object was delivered from the backend using chunked encoding,
and was larger than the storage segment size (default: 128k) this
bug may bite.

The effect of the bug is that up to storage segment worth of junk
may be appended to the transmitted object.

This is mostly harmless, because the Content-Length header will make
the browser do the right thing, but certain load-balancers will
go cross-eyed and act really weird at the TCP level, spewing
interesting RST packets to the client.

This bug is only in 2.1.1, not in 2.1.0.

Fixes:			#694
Isolated by:		ay
Fool who did this:	phk


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be used for the examples in the tutorial.

The argument is the base port TCP number for the examples.

Servers listen on ports starting 10 above the base.

Server -listen oand client -connect arguments are numeric offsets to
the base TCP port number.

Polish the log-message output a bit, both with and without -L.



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mapping more VM than a 32bit machine can cope with, if /tmp is huge.



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we are not trying to create a file but a directory.



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work as expected.



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VCC infrastructure to do so.

Fixes:	#638



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bitmaps for read and write.



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