* [ANN] unicorn 5.0.0.pre1 - incompatible changes!
@ 2015-06-15 22:56 4% Eric Wong
0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2015-06-15 22:56 UTC (permalink / raw)
To: unicorn-public
This release finally drops Ruby 1.8 support and requires Ruby 1.9.3
or later. The horrible "Status:" header in our HTTP response is
finally gone, saving at least 16 precious bytes in every single HTTP
response.
Under Ruby 2.1 and later, the monotonic clock is used for timeout
handling for better accuracy.
Several experimental, unused and undocumented features are removed.
There's also tiny, minor performance and memory improvements from
dropping 1.8 compatibility, but probably nothing noticeable on a
typical real-life (bloated) app.
The biggest performance improvement we made was to our website by
switching to olddoc. Depending on connection speed, latency, and
renderer performance, it typically loads two to four times faster.
Finally, for the billionth time: unicorn must never be exposed
to slow clients, as it will never ever use new-fangled things
like non-blocking socket I/O, threads, epoll or kqueue. unicorn
must be used with a fully-buffering reverse proxy such as nginx
for slow clients.
I'll tag 5.0.0 final in a week or so if all goes well
= gem install --pre unicorn
= git clone git://bogomips.org/unicorn.git
= http://unicorn.bogomips.org/
* ISSUES: update with mailing list subscription
* GIT-VERSION-GEN: start 5.0.0 development
* http: remove xftrust options
* FAQ: add entry for Rails autoflush_log
* dev: remove isolate dependency
* unicorn.gemspec: depend on test-unit 3.0
* http_response: remove Status: header
* remove RubyForge and Freecode references
* remove mongrel.rubyforge.org references
* http: remove the keepalive requests limit
* http: reduce parser from 72 to 56 bytes on 64-bit
* examples: add run_once to before_fork hook example
* worker: remove old tmp accessor
* http_server: save 450+ bytes of memory on x86-64
* t/t0002-parser-error.sh: relax test for rack 1.6.0
* remove SSL support
* tmpio: drop the "size" method
* switch docs + website to olddoc
* README: clarify/reduce references to unicorn_rails
* gemspec: fixup olddoc migration
* use the monotonic clock under Ruby 2.1+
* http: -Wshorten-64-to-32 warnings on clang
* remove old inetd+git examples and exec_cgi
* http: standalone require + reduction in binary size
* GNUmakefile: fix clean gem build + reduce build cruft
* socket_helper: reduce constant lookups and caching
* remove 1.8, <= 1.9.1 fallback for missing IO#autoclose=
* favor IO#close_on_exec= over fcntl in 1.9+
* use require_relative to reduce syscalls at startup
* doc: update support status for Ruby versions
* fix uninstalled testing and reduce require paths
* test_socket_helper: do not depend on SO_REUSEPORT
* favor "a.b(&:c)" form over "a.b { |x| x.c }"
* ISSUES: add section for bugs in other projects
* http_server: favor ivars over constants
* explain 11 byte magic number for self-pipe
* const: drop constants used by Rainbows!
* reduce and localize constant string use
* Links: mark Rainbows! as historical, reference yahns
* save about 200 bytes of memory on x86-64
* http: remove deprecated reset method
* http: remove experimental dechunk! method
* socket_helper: update comments
* doc: document UNICORN_FD in manpage
* doc: document Etc.nprocessors for worker_processes
* favor more string literals for cold call sites
* tee_input: support for Rack::TempfileReaper middleware
* support TempfileReaper in deployment and development envs
* favor kgio_wait_readable for single FD over select
* Merge tag 'v4.9.0'
* http_request: support rack.hijack by default
* avoid extra allocation for hijack proc creation
* FAQ: add note about ECONNRESET errors from bodies
* process SIGWINCH unless stdin is a TTY
* ISSUES: discourage HTML mail strongly, welcome nyms
* http: use rb_hash_clear in Ruby 2.0+
* http_response: avoid special-casing for Rack < 1.5
* www: install NEWS.atom.xml properly
* http_server: remove a few more accessors and constants
* http_response: simplify regular expression
* move the socket into Rack env for hijacking
* http: move response_start_sent into the C ext
* FAQ: reorder bit on Rack 1.1.x and Rails 2.3.x
* ensure body is closed during hijack
--
EW
^ permalink raw reply [relevance 4%]
* [PATCH] favor kgio_wait_readable for single FD over select
@ 2015-05-07 22:16 7% Eric Wong
0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2015-05-07 22:16 UTC (permalink / raw)
To: unicorn-public
kgio_wait_readable is superior for single FDs in that it may use the
ppoll syscall on Linux via Ruby, making it immune to the slowdown
high FDs with select() and the array allocations enforced by the
Ruby wrapper interface.
Note: IO#wait in the io/wait stdlib has the same effect, but as of
2.2 still needlessly checks the FIONREAD ioctl. So avoid needing to
force a new require on users which also incur shared object loading
costs. The longer term plan is to rely entirely on Ruby IO
primitives entirely and drop kgio, but that won't happen until we
can depend on Ruby 2.3 for exception-free accept_nonblock
(which will be released December 2015).
---
lib/unicorn/http_server.rb | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/unicorn/http_server.rb b/lib/unicorn/http_server.rb
index a726c91..82747b8 100644
--- a/lib/unicorn/http_server.rb
+++ b/lib/unicorn/http_server.rb
@@ -369,7 +369,7 @@ class Unicorn::HttpServer
# wait for a signal hander to wake us up and then consume the pipe
def master_sleep(sec)
- IO.select([ @self_pipe[0] ], nil, nil, sec) or return
+ @self_pipe[0].kgio_wait_readable(sec) or return
# 11 bytes is the maximum string length which can be embedded within
# the Ruby itself and not require a separate malloc (on 32-bit MRI 1.9+).
# Most reads are only one byte here and uncommon, so it's not worth a
--
EW
^ permalink raw reply related [relevance 7%]
Results 1-2 of 2 | reverse | options above
-- pct% links below jump to the message on this page, permalinks otherwise --
2015-05-07 22:16 7% [PATCH] favor kgio_wait_readable for single FD over select Eric Wong
2015-06-15 22:56 4% [ANN] unicorn 5.0.0.pre1 - incompatible changes! Eric Wong
Code repositories for project(s) associated with this public inbox
https://yhbt.net/unicorn.git/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).