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This makes SIGHUP handling more consistent across different
configurations, and allows togging preload_app to take effect
when SIGHUP is issued.
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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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Reword and expand a bit
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This will only be enabled if we're daemonized and "real" WINCH
signals cannot be generated by resizing the terminal. This is
to avoid confusing developers who run in the foreground of a
terminal.
Additionally document procedures for reexecuting a running
binary.
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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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Reformat README to avoid preformatted text.
Document signal handling in SIGNALS.
Split out DESIGN, it's probably not as useful to end-users
Update CONTRIBUTORS
LICENSE: copyright is for me (Eric Wong), not Zed since this
is a Mongrel fork.
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