Date | Commit message (Collapse) |
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This fixes a bug where listener names in the master process
would be incorrectly matched with the existing set; causing UNIX
sockets to be unbound and rebound; breaking things for child
processes.
This is a better fit anyways since it's higher level.
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In nearly every app, if the current working directory
disappears, the app becomes broken, sometimes subtly. It can be
especially broken when preload_app is false (the default).
So just shut ourselves down to spare ourselves the
wasted CPU cycles on a dead app.
As a (hopefully) pleasant side effect, this allows
configurations with preload_app==false (the default) to do
application code reloads via SIGHUP (in addition to unicorn
config reloads).
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This is useful for freeing certain resources you
do NOT want passed to child processes.
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Unicorn will always continue to run in the directory it started
in, it does not chdir to "/". Since the default start_ctx[:cwd]
is symlink-aware, this should not be a problem for
Capistrano-deployed applications.
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The config file format changed from add_listener => listen.
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As opposed to doing this in the shell, this allows the files to
be reopened reliably after rotation.
While we're at it, use $stderr/$stdout instead of STDERR/STDOUT
since they seem to be more favored.
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This means processes will share less memory but things
should be compatible with all existing setups.
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This allows Unicorn to be constantly started in symlink
paths such as the ones Capistrano creates
(e.g. "/u/apps/$app/current")
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The Configurator includes error checking and opens the way for
better reloading/error-checking abilities.
This also renames many of the config settings with something
nginx-like to minimize the learning/setup curve since nginx is
the only recommended reverse-proxy for this.
s/pid_file/pid/
=> blech!, more confusing :<
s/listen_backlog/backlog/
=> maybe more confusing to some, or less...
s/nr_workers/worker_processes/
=> less confusing to non-AWKers for sure
s/hot_config_file/config_file/
=> the config file is now general purpose,
not just hot reloads
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