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Easier to maintain and add new executables this way
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Copy and pasting from the RDoc web page and passing
"\342\200\224config-file" to the command-line does not work.
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Must have multiple headers to test this effectively
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Rack::Lint says they just have to work when to_i is
called on the status, so that's what we'll do.
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2 seconds is still prone to race conditions under high load.
We're intentionally less accurate than we could be in order to
reduce syscall and method dispatch overhead.
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Ensure we preserve both internal and external encodings
when reopening logs.
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This makes it easier to use "killall -$SIGNAL unicorn"
without having to lookup the correct PID.
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Timeouts of less than 2 seconds are unsafe due to the lack of
subsecond resolution in most POSIX filesystems. This is the
trade-off for using a low-complexity solution for timeouts.
Since this type of timeout is a last resort; 2 seconds is not
entirely unreasonable IMNSHO. Additionally, timing out too
aggressively can put us in a fork loop and slow down the system.
Of course, the default is 60 seconds and most people do not
bother to change it.
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"out" was an invalid variable in that context...
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Most of this should be applicable to Mongrel and other
web servers, too.
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Don't allow newly created IO objects to get GC'ed and
subsequently close(2)-ed. We're not reopening the
{$std,STD}{in,out,err} variables since those can't be
trusted to have fileno 1, 2 and 3 respectively.
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This was done in Bourne shell because it's easier for UNIX
sysadmins who don't know Ruby to understand and modify.
Additionally, it can be used for nginx or anything else
that shares compatible signal handling.
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It seems most applications use buffered IO#read instead of
IO#sysread. So make sure our encoding is set correctly for
buffered IO#read applications, too.
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Keep in mind that it's plenty possible to use Unicorn as a
library without using Rack itself. Most of the unit tests
do not depend on Rack, for example.
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We were closing a no-longer-existent I/O object to break out of
IO.select. This was broken in 0.6.0 but did not affect the
worker when it was busy.
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The following specifications to bind port 8080 on all interfaces
are now accepted in the configuration file:
listen "8080" # (with quotes)
listen 8080 # (without quotes)
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We do this in both the worker and master processes, so avoid
repeating ourselves.
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This allows dynamic tuning of the worker_processes count without
having to restart existing ones. This also allows
worker_processes to be set to a low initial amount in the config
file for low-traffic deployments/upgrades and then scaled up as
the old processes are killed off.
Remove the proposed reexec_worker_processes from TODO since this
is far more flexible and powerful.
This will allow not-yet-existent third-party monitoring tools to
dynamically change and scale worker processes according to site
load without increasing the complexity of Unicorn itself.
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Seems like a good idea to be able to relocate log
files on a config reload.
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Saying to the world that I may have OCD...
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As long as our speculative accept()s are succeeding, then avoid
checking for master process death and keep processing requests.
This allows us to save some syscalls under extremely heavy
traffic spikes.
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Oops, this was broken in another yak-shaving commit:
9206bb5e54a0837e394e8b1c1a96e27ebaf44e77
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Avoid scaring the thread-safety-first crowd (as much :)
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Since it has to work inside signal handlers, there's
no point in making it a per-object instance variable
given the price of an instance variable in MRI...
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Avoid creating garbage every time we lookup the status code
along with the message. Also, we can use global const arrays
for a little extra performance because we only write one-at-a
time
Looking at MRI 1.8, Array#join with an empty string argument is
slightly better because it skips an append for every iteration.
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Otherwise the GC will unlink sockets. A better
solution (purgatory?) may be needed...
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Instance variables are expensive and we'd be encouraging
something like a thread-safe mentality for using ivars
when dealing with things that are global to the entire
process.
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Since file descriptors are only private to a process,
do not treat them as Object-specific.
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This leads to a ~10% improvement in test/benchmark/request.rb
Some of these changes will need to be reworked for
multi-threaded servers (Mongrel); but Unicorn will always be
single-threaded.
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* commit 'v0.5.4':
unicorn 0.5.4
Fix data corruption with small uploads via browsers
Conflicts:
lib/unicorn/http_request.rb
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I've experienced occasional problems with this so it's
probably best to stay on the safe side.
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It was just a waste of space and would've caused line wrapping.
This reinstates the "unicorn" prefix when we create tempfiles,
too.
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StringIO.new(partial_body) does not update the offset for new
writes. So instead create the StringIO object and then syswrite
to it and try to follow the same code path used by large uploads
which use Tempfiles.
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StringIO.new(partial_body) does not update the offset for new
writes. So instead create the StringIO object and then syswrite
to it and try to follow the same code path used by large uploads
which use Tempfiles.
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Installation dependencies weren't being resolved correctly
(since "install-test") wasn't .PHONY. Removed the
"install-test" target entirely since it should never
be invoked by hand.
On the other hand, "ragel" can be useful to invoke by hand
so add a target for that.
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They aren't common, but apparently there exist
URLs with them, so we'll support them.
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