* [ANN] yahns 1.11.0 -_- sleepy app server for Ruby
@ 2015-12-13 2:26 5% Eric Wong
0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2015-12-13 2:26 UTC (permalink / raw)
To: ruby-talk; +Cc: yahns-public
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:
yahns 1.11.0 - more minor updates
There's some minor test case fixes and documentation updates.
For OpenSSL users running the Ruby 2.3.0 preview releases,
we now use `exception: false' for for accept_nonblock to reduce
exceptions. Non-SSL I/O still uses kgio for now.
6 changes since 1.10.0:
wbuf: fix typo in bug check for sendfile gem
test_wbuf: deal with proper zero-copy for Unix sockets
README: clarify and update copyright year
doc: document and reference sd_listen_fds(3) behavior
test_server: fix race condition in hooks test
openssl_client: use `exception: false' for accept_nonblock
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 only accept plain-text email yahns-public@yhbt.net
* and archive all the mail we receive: http://yhbt.net/yahns-public/
* nntp://news.public-inbox.org/inbox.comp.lang.ruby.yahns
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* [PATCH] test_server: fix race condition in hooks test
@ 2015-12-13 2:03 7% Eric Wong
0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2015-12-13 2:03 UTC (permalink / raw)
To: yahns-public
We need to ensure the master process is done writing to logs
when we check them. Do that by sending a SIGQUIT to the master
to shut it down, as the master process will defer the SIGQUIT
until after the test log is written to the kernel.
---
test/test_server.rb | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/test/test_server.rb b/test/test_server.rb
index 2ed43a1..c753919 100644
--- a/test/test_server.rb
+++ b/test/test_server.rb
@@ -433,7 +433,7 @@ class TestServer < Testcase
stderr_path err.path
stdout_path out.path
end
- pid = mkserver(cfg)
+ master_pid = pid = mkserver(cfg)
c = get_tcp_client(host, port)
c.write("GET / HTTP/1.0\r\nHost: example.com\r\n\r\n")
buf = Timeout.timeout(10) { c.read }
@@ -442,19 +442,24 @@ class TestServer < Testcase
assert_match(/200 OK/, head)
assert_match(/\A\d+\z/, body)
worker_pid = body.to_i
+
+ # ensure atfork_parent has run
+ quit_wait(master_pid)
+ master_pid = nil
+
lines = out.readlines.map!(&:chomp!)
out.close!
assert_match %r{INFO hihi from app\.atfork_child}, File.read(err.path)
- assert_equal 3, lines.size
+ assert_equal 3, lines.size, lines.join("\n")
assert_equal("af #{pid} parent about to spawn", lines.shift)
# child/parent ordering is not guaranteed
assert_equal 1, lines.grep(/\Aaf #{pid} this is probably not useful\z/).size
assert_equal 1, lines.grep(/\Aaf #{worker_pid} worker is running\z/).size
ensure
- quit_wait(pid)
+ quit_wait(master_pid)
end
def test_mp_hooks_worker_nr
--
EW
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