Yichun Zhang (agentzh)
January 11, 2014 12:46AM
Hello folks!

I am happy to announce that the new mainline version of ngx_openresty,, is now released:


This is the first openresty release with the latest nginx 1.5.8 core
bundled. And we have a lot of components updated as usual, which
reflects the ongoing active development in this project.

Special thanks go to all our contributors for making this happen!

This release still reflects our current focus on stability and
performance improvements. Getting things right and fast is always of
our first priority. More speedup will come from both the ngx_lua
module and LuaJIT v2.1 soon. But we may also add more new features in
the near future to make more users happy :)

Below is the complete change log for this release, as compared to the
last (mainline) release,

* change: now we default to LuaJIT instead of the standard Lua 5.1
interpreter. the "--with-luajit" option for "./configure" is now
the default. To use the standard Lua 5.1 interpreter, specify
the "--with-lua51" option explicitly. thanks smallfish for the

* bugfix: Nginx's built-in resolver did not accept fully qualified
domain names (with a trailing dot).

* optimize: shortened the "Server" response header string
"ngx_openresty" to "openresty".

* upgraded the Nginx core to 1.5.8.

* see the changes here: http://nginx.org/en/CHANGES

* upgraded LuaJIT to v2.1-20140109.

* bugfix: fixed ABC (Array Bounds Check) elimination. (Mike

* bugfix: fixed MinGW build. (Mike Pall)

* bugfix: x86: fixed stack slot counting for IR_CALLA (affects
table.new). (Mike Pall) this could lead to random table
field missing issues in LuaRestyMySQLLibrary on i386. thanks
lhmwzy for the report.

* bugfix: fixed compilation of "string.byte(s, nil, n)". (Mike

* bugfix: MIPS: Cosmetic fix for interpreter. (Mike Pall)

* upgraded LuaNginxModule to 0.9.4.

* feature: allow use of ngx.exit() in the context of
header_filter_by_lua* to perform a "filter finalization".
but in this context ngx.exit() is an asynchronous operation
and returns immediately.

* feature: added the optional 5th argument, "res_table", to
ngx.re.match() which is the user-supplied result table for
the resulting captures. This feature can give 12%+ speedup
for simple ngx.re.match() calls with 4 submatch captures.

* feature: ngx.escape_uri() and ngx.unescape_uri() now accept
a "nil" argument, which is equivalent to an empty string.

* feature: added new pure C API,
"ngx_http_lua_ffi_max_regex_cache_size", for FFI-based
implementations like LuaRestyCoreLibrary.

* change: ngx.decode_base64() now only accepts string

* bugfix: coroutines might incorrectly enter the "dead" state
even right after creation with coroutine.create(). thanks
James Hurst for the report.

* bugfix: segmentation fault might happen when aborting a
"light thread" pending on downstream cosocket writes. thanks
Aviram Cohen for the report.

* bugfix: we might try sending the response header again in
ngx.exit() when the header was already sent.

* bugfix: subrequests initiated by ngx.location.capture()
might send their own response headers more than once. this
issue might also lead to the alert message "header already
sent" and request aborts when nginx 1.5.4+ was used.

* bugfix: fixed incompatibilities in Nginx 1.5.8 which breaks
the resolver API in the Nginx core.

* bugfix: fixed a compilation warning when PCRE is disabled in
the build. thanks Jay for the patch.

* bugfix: we did not set the shortcut fields in
"r->headers_in" for request headers in our subrequests
created by ngx.location.capture*(), which might cause
inter-operative issues with other Nginx modules. thanks
Aviram Cohen for the original patch.

* optimize: we no longer clear the "lua_State" pointers for
dead "light threads" such that their coroutine context
structs could be reused by other "light threads" and user
coroutines. this can lead to smaller memory footprint.

* doc: documented that the coroutine.* API can be used in
init_by_lua* since 0.9.2. thanks Ruoshan Huang for the

* upgraded LuaRestyMemcachedLibrary to 0.13.

* optimize: saved one cosocket receive() call in the get() and
gets() methods.

* bugfix: the Memcached connection might enter a bad state
when read timeout happens because LuaNginxModule's cosocket
reading calls no longer automatically close the connection
in this case. thanks Dane Knecht for the report.

* upgraded LuaRestyRedisLibrary to 0.18.

* optimize: eliminated one (potentially expensive)
"string.sub()" call in the Redis reply parser.

* bugfix: the Redis connection might enter a bad state when
read timeout happens because LuaNginxModule's cosocket
reading calls no longer automatically close the connection
in this case.

* upgraded LuaRestyLockLibrary to 0.02.

* bugfix: the lock() method accepted nil keys silently.

* upgraded LuaRestyDNSLibrary to 0.11.

* bugfix: avoided use of the module() built-in to define the
Lua module.

* bugfix: we did not reject bad domain names with a leading
dot. thanks Dane Knecht for the report.

* bugfix: error handling fixes in the query and tcp_query

* upgraded LuaRestyCoreLibrary to 0.0.3.

* feature: updated to comply with LuaNginxModule 0.9.4.

* bugfix: resty.core.regex: the ngx.re API did not honour the
lua_regex_cache_max_entries configuration directive.

* optimize: ngx.re.gsub used to use literal type string "const
char *" in ffi.cast() which is expensive in interpreter
mode. now we use the ctype object directly, which leads to
11% in interpreter mode.

* upgraded EchoNginxModule to 0.51.

* bugfix: for Nginx 1.2.6+ and 1.3.9+, the main request
reference count might go out of sync when Nginx's request
body reader returned status code 300+. thanks Hungpu DU for
the report.

* bugfix: echo_request_body truncated the response body
prematurely when the request body was in memory (because the
request reader sets "last_buf" in this case). thanks Hungpu
DU for the original patch.

* bugfix: using $echo_timer_elapsed variable alone in the
configuration caused segmentation faults. thanks Hungpu DU
for the report.

* doc: typo fix in the echo_foreach_split sample code. thanks
Hungpu DU for the report.

* upgraded DrizzleNginxModule to 0.1.7.

* bugfix: fixed most of warnings and errors from the Microsoft
Visual C++ compiler, reported by Edwin Cleton.

* upgraded HeadersMoreNginxModule to 0.25.

* bugfix: fixed a warning from the Microsoft C compiler.
thanks Edwin Cleton for the report.

* doc: documented the limitation that we cannot remove the
"Connection" response header with this module. thanks
Michael Orlando for bringing this up.

* upgraded SetMiscNginxModule to 0.24.

* bugfix: fixed the warnings from the Microsoft C compiler.
thanks Edwin Cleton for the report.

* upgraded SrcacheNginxModule to 0.25.

* feature: now the value specified in srcache_store_skip is
evaluated and tested again right after the end of the
response body data stream is seen. thanks Eldar Zaitov for
the patch.

The HTML version of the change log with lots of helpful hyper-links
can be browsed here:


OpenResty (aka. ngx_openresty) is a full-fledged web application
server by bundling the standard Nginx core, lots of 3rd-party Nginx
modules and Lua libraries, as well as most of their external
dependencies. See OpenResty's homepage for details:


We have run extensive testing on our Amazon EC2 test cluster and
ensured that all the components (including the Nginx core) play well
together. The latest test report can always be found here:


Enjoy and happy new year!

Best regards,

nginx mailing list
Subject Author Posted

[ANN] ngx_openresty mainline version released

Yichun Zhang (agentzh) January 11, 2014 12:46AM

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