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ChangeLog 1.0.11

Yichun Zhang , 13 May 2012 (created 13 May 2012)

Stable Release - 25 March 2012

Same as the devel release

Components bundled with this release:

  • LuaJIT-2.0.0-beta9 (hotfix #1)
  • array-var-nginx-module-0.03rc1
  • auth-request-nginx-module-0.2
  • drizzle-nginx-module-0.1.2rc6
  • echo-nginx-module-0.38rc2
  • encrypted-session-nginx-module-0.02
  • form-input-nginx-module-0.07rc5
  • headers-more-nginx-module-0.17rc1
  • iconv-nginx-module-0.10rc7
  • lua-5.1.4
  • lua-cjson-1.0.3
  • lua-rds-parser-0.04
  • lua-redis-parser-0.09rc7
  • lua-resty-memcached-0.06
  • lua-resty-mysql-0.06
  • lua-resty-redis-0.08
  • lua-resty-string-0.05
  • lua-resty-upload-0.02
  • memc-nginx-module-0.13rc3
  • nginx-1.0.11
  • ngx_coolkit-0.2rc1
  • ngx_devel_kit-0.2.17
  • ngx_lua-0.5.0rc21
  • ngx_postgres-0.9
  • rds-csv-nginx-module-0.05rc1
  • rds-json-nginx-module-0.12rc7
  • redis2-nginx-module-0.08rc4
  • set-misc-nginx-module-0.22rc5
  • srcache-nginx-module-0.13rc6
  • upstream-keepalive-nginx-module-0.7
  • xss-nginx-module-0.03rc9

Mainline Version - 22 March 2012

  • upgraded Lua Nginx Module to 0.5.0rc21.
    • bugfix: made the sha1 library (or OpenSSL) an optional dependency, as suggested by runner-mei in github issue #94.
    • bugfix: we did not declare C variables at the beginning of the current code block in ngx_http_lua_del_thread, reported by runner-mei in github issue #93.
    • bugfix: incorrectly used ngx_conf_log_error by feeding NGX_ERROR as the first argument, as reported by runner-mei in github issue #92.
    • bugfix: spelling errors in Lua exception message text.
  • upgraded Echo Nginx Module to 0.38rc2.
    • bugfix: $echo_request_body variable was not able to work on arbitrary request body chains (i.e., more than 2 chain links), just like the standard $request_body variable that only processes the first two chain links. now $echo_request_body no longer has this limitation.
  • applied the upstream_pipelining patch to the nginx core, as discussed here: this patch is required at least for the pipelined requests support in nginx upstream modules.

Mainline Version - 16 March 2012

  • applied the null-character-fixes patch from the mainstream. The bug did result in a disclosure of previously freed memory if upstream server returned specially crafted response, potentially exposing sensitive information.
  • upgraded Srcache Nginx Module to 0.13rc6.
    • bugfix: fixed a typo in an error message text for response truncation check in srcache_store.

Mainline Version - 15 March 2012

  • upgraded Lua Nginx Module to 0.5.0rc19.
    • feature: added new directive lua_http10_buffering which is on by default.
    • feature: added new constant ngx.DECLINED.
    • bugfix: access_by_lua could not work with the satisfy any configuration.
    • bugfix: now we recycle the special flush buffer and chain link for ngx.flush to prevent request-scoped memory leaks when emitting long data streams to the downstream.
  • upgraded Srcache Nginx Module to 0.13rc5.
    • feature: now srcache_store discards responses that are obviously truncated when the actual output data is shorter than what is declared in its Content-Length response header. thanks Greg Grensteiner.
    • bugfix: the access phase handler actually ran in a phase later than the access phase.
    • bugfix: HTTP HEAD requests that lead to a cache hits would cause memory issues like invalid reads.
  • upgraded Lua Resty Redis Library to 0.08.
    • feature: implemened redis pipelining API by adding new methods init_pipeline, commit_pipeline, and cancel_pipeline.

Mainline Version - 7 March 2012

  • upgraded Lua Resty Redis Library to 0.07.
    • feature: added the evalsha command to the redis command table. thanks Chris Love.
  • upgraded Lua Resty String Library to 0.05.
    • feature: added new modules resty.sha224, resty.sha256, resty.sha384, and resty.sha512 to exposes the OpenSSL API for the complete SHA-2 hash function set. thanks @lhmwzy.
  • upgraded Lua Nginx Module to 0.5.0rc17.
    • bugfix: time stamps could overflow on 32-bit systems in the shared dict API; now we explicitly use 64-bit integers.
    • feature: added new method flush_all to the shared dict. thanks Weiqiang Li.
    • docs: documented the max concurrent subrequest count limitation and max error log line size limit.

Mainline Version - 1 March 2012

  • upgraded Redis2 Nginx Module to 0.08rc4.
    • bugfix: redis "nil multi bulk replies" did not parse at all. thanks 郭颖 for reporting this issue.
  • upgraded Lua Redis Parser Library to 0.09rc7.
    • bugfix: redis "nil multi bulk replies" did not parse at all. thanks 郭颖 for reporting this issue.

Mainline Version - 29 February 2012

  • feature: bundle Lua Resty MySQL Library 0.06, which is enabled by default.
  • feature: bundle Lua Resty Redis Library 0.06, which is enabled by default.
  • feature: bundle Lua Resty Memcached Library 0.06, which is enabled by default.
  • feature: bundle Lua Resty Upload Library 0.02, which is enabled by default.
  • feature: bundle Lua Resty String Library 0.04, which is enabled by default.
  • bugfix: no longer enable -DLUAJIT_USE_VALGRIND for LuaJIT when --with-debug option is specified.
  • bugfix: applied the official hotfix #1 patch for LuaJIT 2.0.0 beta9.
  • feature: raised the default NGX_HTTP_MAX_SUBREQUESTS to 200, in sync with the official repository.
  • upgraded Lua Nginx Module to 0.5.0rc16.
    • bugfix: the shared dict storage might leak memory in the store: ngx_http_lua_shdict_lookup incorrectly assumed that nodes with identical keys are linked together, which might not be true after tree re-balancing. thanks the patch from Lanshun Zhou.
    • optimize: removed a redundant piece of code for subrequest headers_in fixes in ngx_http_lua_adjust_subrequest.

Mainline Version - 24 February 2012

  • now we enable the -DLUAJIT_USE_VALGRIND -DLUA_USE_APICHECK -DLUA_USE_ASSERT flags for LuaJIT when the --with-debug option is specified.
  • apply the max_subrequests patch to allow the NGX_HTTP_MAX_SUBREQUESTS macro to be overridden from the outside and adjusted the default value from 50 to 100 because 50 is a little too conservative.
  • upgraded Xss Nginx Module to 0.03rc9, Rds Csv Nginx Module to 0.05rc1, and Redis2 Nginx Module to 0.08rc3, allowing enabling DDEBUG=1 globally.
  • upgraded Iconv Nginx Module to 0.10rc7.
    • bugfix: enabling DDEBUG=1 globally lead to compilation errors.
    • bugfix: could not work with HTTP 1.0 requests.
    • optimize: only register output filters when the iconv_filter is actually used in the config file.
  • upgraded Lua Nginx Module to 0.5.0rc15.
    • bugfix: the exptime argument to shdict:set/add/etc methods was incorrectly ignored when the flags argument is also specified. thanks the patch from Brian Akins.
    • docs: fixed various typos in docs. thanks 王斌.
    • bugfix: for big input data, the cosocket reading methods could result in crashes due to incorrect use of luaL_Buffer. now we eliminate luaL_Buffer altogether by managing the recv buffers ourselves. the recv buffers can also be recycled.
    • bugfix: now we avoid using luaL_checkstring which could do another long jump on its own. thanks 王斌.
    • bugfix: tcpsocket:setkeepalive() did not return errors when the current connection has readable data or there is still unread data in the Lua Nginx Module upstream buffer.
    • bugfix: cosocket methods no longer explicitly return nil error strings upon success.
    • bugfix: when the parent request takes a request body, the subrequest does not take any bodies, and the subrequest's method is neither PUT nor POST, then the subrequest will no longer inherit the parent request's request body. thanks 欧远宁 for reporting this issue.
    • bugfix: data might be accidentally read into the Lua space on idle sockets when the last operation is a read operation and a read event suddenly arrives for edge-triggered event models. the same might also apply to write operations too.
    • bugfix: invalid reads might happen in the reading iterators returned by the receiveuntil() method which could lead to segfaults. this was a bug in the DFA minimizer's optimized code path.
    • bugfix: the closed error would occur for long-running requests that hold the idle cosocket object for a period of time that is longer than the read timeout setting: we should delete the read event timer in time when the receive call has already got a read event. thanks 欧远宁 for reporting this issue.
    • logs: added error logs for cosocket timeout errors.
    • logs: added detailed error logs for cosocket closed errors.
    • optimize: introduced a minor optimization that we can save one recv call when the read event is active and the read event is not ready.
    • optimize: now we recycle the downstream output buffers to save memory and dynamic allocation times for long-running requests with huge outputs.
    • bugfix: C macro directives were used inside a C macro argument which made (at least) gcc 3.2.3 unhappy. thanks Feng Bin.

Mainline Version - 14 February 2012

Mainline Version - 13 February 2012

  • upgraded Lua Nginx Module to 0.5.0rc6.
    • bugfix: could not compile with nginx 0.8.x. thanks 欧远宁. this bug had appeared in Lua Nginx Module v0.5.0rc1.
    • feature: added the ngx.sha1_bin method which returns the binary form of the SHA-1 digest.
    • bugfix: we incorrectly allowed ngx.null in the string table argument to cosocket:send() method.
    • feature: allow use of ngx.null in ngx.log() and print() arguments.
  • added Piotr Sikora's Coolkit Nginx Module 0.2rc1 to the bundle, which is also enabled by default.

Mainline Version - 7 February 2012

  • upgraded Lua Nginx Module to 0.5.0rc5.
    • feature: added constant ngx.null which is a NULL light userdata to represent nil values in Lua tables and etc. this is compatible with at least lua-cjson library's cjson.null constant.

Mainline Version - 7 February 2012

  • upgraded Lua Nginx Module to 0.5.0rc4.
    • bugfix: setting ngx.header.last_modified was not implemented fully. thanks Brian Akins.

Mainline Version - 6 February 2012

  • upgraded Lua Nginx Module to 0.5.0rc3.
    • feature: now tcpsocket:send() method supports lua tables of string fragments which can save unnecessary string concatenation operations on the Lua land that are usually quite expensive.
    • bugfix: fixed issues in debugging logs for the cosocket API.
    • feature: added user flags support to the shared dictionary API. thanks Brian Akins.
  • upgraded Lua Redis Parser Library to 0.09rc6.
    • bugfix: remove unneeded string push operations. thanks Brian Akins.

Mainline Version - 2 February 2012

  • upgraded the Nginx core to 1.0.11.
  • upgraded Lua Nginx Module to 0.5.0rc1.
    • feature: implemented the coroutine-based TCP and Unix Domain client socket API (aka the "cosocket" API) that is mostly compatible with the LuaSocket library.
    • feature: implemented built-in connection pool support for the cosocket API.
    • feature: added new function ngx.req.socket() to return a cosocket object for the downstream connection so as to do streaming request body reading. thanks Taylor Weibley for sponsoring the development work.
    • optimization: optimized the chain-link and buf recycle logic for the subrequest API and make it share free buffers with the cosocket API.
  • upgraded Postgres Nginx Module to 0.9.
    • bugfix: Fix compatibility with poll, select and /dev/poll event models.
    • bugfix: Fix compatibility with PostgreSQL 9.x.
    • bugfix: Fix compatibility with nginx-1.1.4+.

See ChangeLog 1.0.10 for change log for ngx_openresty 1.0.10.x.