A Free Software, multi-threaded, non-blocking network application server
designed for low _idle_ power consumption. It is primarily optimized
for applications with occasional users which see little or no traffic.
yahns currently hosts Rack/HTTP applications, but may eventually support
other application types. Unlike some existing servers, yahns is
extremely sensitive to fatal bugs in the applications it hosts.
Changes: reduced allocations and bugfixes
This release fixes a bug where previously-configured-but-now-removed
listeners were inherited across USR2 upgrades are not shutdown
immediately in the child.
There are also minor reductions in allocations which can save a few
hundred bytes statically and also whenever write buffering is necessary
for large responses.
Some minor documentation updates improvements in extras, too.
shortlog of changes since 1.5.0:
README: add link to mailing list archives
test_ssl: factor out server SSLContext creation
doc: add design_notes document
reduce File::Stat object allocations
update comments about wbuf_close return values
wbuf: lazily (re)create temporary file
fix compatibility with unicorn.git
skip tests requiring String#b on 1.9.3
use the monotonic clock under Ruby 2.1+
favor Class.new for method-less classes
extras/proxy_pass: save memory in String#split arg
extras/proxy_pass: do not name unused variable
extras/proxy_pass: log exceptions leading to 502
extras/proxy_pass: flesh out upload support + tests
acceptor: close inherited-but-unneeded sockets
See the git repository for more: git clone git://yhbt.net/yahns
Please note the disclaimer:
yahns is extremely sensitive to fatal bugs in the apps it hosts. There
is no (and never will be) any built-in "watchdog"-type feature to kill
stuck processes/threads. Each yahns process may be handling thousands
of clients; unexpectedly killing the process will abort _all_ of those
connections. Lives may be lost!
yahns hackers are not responsible for your application/library bugs.
Use an application server which is tolerant of buggy applications
if you cannot be bothered to fix all your fatal bugs.
* git clone git://yhbt.net/yahns
* http://yahns.yhbt.net/README
* http://yahns.yhbt.net/NEWS.atom.xml
* we like plain-text email yahns-public@yhbt.net
* and archive all the mail we receive: http://yhbt.net/yahns-public/
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