Fast polling using C, memcached, nginx and libevent - amix.dk
Fast polling using C, memcached, nginx and libevent In this post I'll show you how to implement really fast polling using C and libevent, memcached and nginx. The performance of the server is over 2400 request pr. second on a not optimized Mac Book - that's 144.000 requests pr. minute. At Plurk we use polling and we have thousands of live users hammering the service with poll requests. It's beginn
Multi-Threaded HTTP Server using evhttp | kzk's blog
Few months ago, I need to write the multi-threaded http server which can be embedded into the C++ server. At that time, the performance and the stability was the most important point. I found the evhttp library, which is included in the libevent. evhttp is HTTP server/client library built on top of the libevent event loop. Single-Threaded Server The following code is a simple evhttp server. But th
gist:524427
gistfile1.diff � �j�U p3>k�U diff -ur libevent-1.3b.original/event.c libevent-1.3b/event.c --- libevent-1.3b.original/event.c 2007-02-16 09:49:06.000000000 +0900 +++ libevent-1.3b/event.c 2010-08-15 00:58:14.000000000 +0900 @@ -790,13 +790,13 @@ docount = 0; if (docount) - base->event_count--; + __sync_sub_and_fetch(&(base->event_count), 1); ev->ev_flags &= ~queue; switch (queue) { case EVLIST_ACT
libevent-1.3b, libmemcached-1.4.4 で固まる? - moratorium
libevent-1.3b, libmemcached-1.4.4 で固まる? 2010-08-13 (Fri) 0:56 Uncategorized mixiの件について、nealさんから情報を貰ったので数時間調査してみた。というのも、うちの製品でもlibevent(evhttp)をリクエスト処理に使っているので、これにバグが有ると非常に困る。 Nealさんのつぶやき ひとまず、libevent-1.3b, libmemcached-1.4.4をビルドする。memcachedは、-cで同時接続数を制限できる。で、この同時接続数というのは、実はファイルディスクリプタの数を制限する事で達成されている。memcached.cの以下の部分。 /* * If needed, increase rlimits to allow as many connections * as needed. */
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