{ "version": "https://jsonfeed.org/version/1", "title": "memcached", "description": "\u5206\u5e03\u5f0f\u7684\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf", "home_page_url": "go/memcached", "feed_url": "feed/memcached.json", "icon": "https://cdn.v2ex.com/navatar/6cfe/0e61/967_large.png?m=1488154290", "favicon": "https://cdn.v2ex.com/navatar/6cfe/0e61/967_normal.png?m=1488154290", "items": [ { "author": { "url": "member/Semloh", "name": "Semloh", "avatar": "https://cdn.v2ex.com/gravatar/1ccda1e76c49bf50b84b8170335fb82e?s=73&d=retro" }, "url": "t/523361", "title": "\u7406\u89e3 memcached \u6e90\u7801 - Slab I", "id": "t/523361", "date_published": "2019-01-03T02:24:01+00:00", "content_html": "

memcached \u4ecb\u7ecd

\u4ec0\u4e48\u662f memcached \uff1a

\n
1. memcached\u4e4b\u524d\u662fdanga\u7684\u4e00\u4e2a\u9879\u76ee\uff0c\u6700\u65e9\u662f\u4e3a LiveJournal \u670d\u52a1\u7684\uff0c\u5f53\u521d\u8bbe\u8ba1\u5e08\u4e3a\u4e86\u52a0\u901f LiveJournal \u8bbf\u95ee\u901f\u5ea6\u800c\u5f00\u53d1\u7684\uff0c\u540e\u6765\u88ab\u5f88\u591a\u5927\u578b\u9879\u76ee\u91c7\u7528\u3002\u5b98\u7f51\u662fwww.danga.com\u6216\u8005\u662fmemcached.org\u3002
\n
2. Memcached\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u7684\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf\uff0c\u5168\u4e16\u754c\u6709\u4e0d\u5c11\u516c\u53f8\u91c7\u7528\u8fd9\u4e2a\u7f13\u5b58\u9879\u76ee\u6765\u6784\u5efa\u5927\u8d1f\u8f7d\u7684\u7f51\u7ad9\uff0c\u6765\u5206\u62c5\u6570\u636e\u5e93\u7684\u538b\u529b\u3002 Memcached\u662f\u901a\u8fc7\u5728\u5185\u5b58\u91cc\u7ef4\u62a4\u4e00\u4e2a\u7edf\u4e00\u7684\u5de8\u5927\u7684 hash \u8868\uff0cmemcached\u80fd\u5b58\u50a8\u5404\u79cd\u5404\u6837\u7684\u6570\u636e\uff0c\u5305\u62ec\u56fe\u50cf\u3001\u89c6\u9891\u3001\u6587\u4ef6\u3001\u4ee5\u53ca\u6570\u636e\u5e93\u68c0\u7d22\u7684\u7ed3\u679c\u7b49\u3002\u7b80\u5355\u7684\u8bf4\u5c31\u662f\u5c06\u6570\u636e\u8c03\u7528\u5230\u5185\u5b58\u4e2d\uff0c\u7136\u540e\u4ece\u5185\u5b58\u4e2d\u8bfb\u53d6\uff0c\u4ece\u800c\u5927\u5927\u63d0\u9ad8\u8bfb\u53d6\u901f\u5ea6\u3002
\n

\u7279\u5f81 :

memcached \u4f5c\u4e3a\u9ad8\u901f\u8fd0\u884c\u7684\u5206\u5e03\u5f0f\u7f13\u5b58\u670d\u52a1\u5668\uff0c\u5177\u6709\u4ee5\u4e0b\u7684\u7279\u70b9\u3002

\n
• \u534f\u8bae\u7b80\u5355
\n
• \u57fa\u4e8e libevent \u7684\u4e8b\u4ef6\u5904\u7406
\n
• \u5185\u7f6e\u5185\u5b58\u5b58\u50a8\u65b9\u5f0f
\n
• memcached \u4e0d\u4e92\u76f8\u901a\u4fe1\u7684\u5206\u5e03\u5f0f
\n

\u652f\u6301\u7684\u8bed\u8a00:

\u8bb8\u591a\u8bed\u8a00\u90fd\u5b9e\u73b0\u4e86\u8fde\u63a5memcached\u7684\u5ba2\u6237\u7aef\uff0c\u5176\u4e2d\u4ee5 Perl \u3001 PHP \u4e3a\u4e3b\u3002\u4ec5\u4ec5memcached\u7f51\u7ad9\u4e0a\u5217\u51fa\u7684\u6709\uff1a

\n
• Perl
\n
• PHP
\n
• Python
\n
• Ruby
\n
• C#
\n
• C/C++
\n
• Lua
\n
• \u7b49\u7b49
\n

Memcached \u7528\u6237:

\n
• LiveJournal
\n
• Wikipedia
\n
• Flickr
\n
• Bebo
\n
• Twitter
\n
• Typepad
\n
• Yellowbot
\n
• Youtube
\n
• WordPress.com
\n
• Craigslist
\n
• Mixi
\n

\u5b89\u88c5\u548c\u542f\u52a8memcached\uff1a

\n
1. \n

   windows \uff1a

   \n
   \n
   • \u5b89\u88c5\uff1amemcached.exe -d install\u3002
   \n
   • \u542f\u52a8\uff1amemcached.exe -d start\u3002
   \n
   \n
\n
2. \n

   linux \uff08 Ubuntu/Debian \uff09\uff1a

   \n
   \n
   • \u5b89\u88c5\uff1asudo apt-get install memcached\u3002
   \n
   • \u542f\u52a8\uff1asudo service memcached start\u3002
   \n
   \n
\n
3. \n

   linux \uff08 Redhat/Fedora/Centos \uff09\uff1a

   \n
   \n
   • \u5b89\u88c5\uff1ayum install memcached\u3002
   \n
   • \u542f\u52a8\uff1ayum service memcached start\u3002
   \n
   \n
\n
4. \n

   \u53ef\u80fd\u51fa\u73b0\u7684\u95ee\u9898\uff1a

   \n
   \n
   • \u63d0\u793a\u4f60\u6ca1\u6709\u6743\u9650\uff1a\u5728\u6253\u5f00 cmd \u7684\u65f6\u5019\uff0c\u53f3\u952e\u4f7f\u7528\u7ba1\u7406\u5458\u8eab\u4efd\u8fd0\u884c\u3002
   \n
   • \u63d0\u793a\u7f3a\u5c11pthreadGC2.dll\u6587\u4ef6\uff1a\u5c06pthreadGC2.dll\u6587\u4ef6\u62f7\u8d1d\u5230windows/System32.
   \n
   • \u4e0d\u8981\u653e\u5728\u542b\u6709\u4e2d\u6587\u7684\u8def\u5f84\u4e0b\u9762\u3002
   \n
   \n
\n
5. \n

   \u542f\u52a8memcached\uff1a

   \n
   \n
   • -d\uff1a\u8fd9\u4e2a\u53c2\u6570\u662f\u8ba9memcached\u5728\u540e\u53f0\u8fd0\u884c\u3002
   \n
   • -m\uff1a\u6307\u5b9a\u5360\u7528\u591a\u5c11\u5185\u5b58\u3002
   \n
   • -p\uff1a\u6307\u5b9a\u5360\u7528\u7684\u7aef\u53e3\u3002\u9ed8\u8ba4\u7aef\u53e3\u662f11211\u3002
   \n
   • -l\uff1a\u54ea\u4e9b ip \u5730\u5740\u53ef\u4ee5\u94fe\u63a5\u3002
   \n
   \n
\n

telnet\u64cd\u4f5cmemcached\uff1a

\n
1. \u6dfb\u52a0\u6570\u636e\uff1a\n
   \n
   • set\uff1a\n
     \n
     • \n

       \u8bed\u6cd5\uff1a

       \n

       set key flas(0) timeout value_length\nvalue\n

       \n
     \n
     • \n

       \u793a\u4f8b\uff1a

       \n

       set username 0 60 7\nxiaotuo\n

       \n
     \n
     \n
   \n
   • add\uff1a\n
     \n
     • \n

       \u8bed\u6cd5\uff1a

       \n

       add key flas(0) timeout value_length\nvalue\n

       \n
     \n
     • \n

       \u793a\u4f8b\uff1a

       \n

       add username 0 60 7\nxiaotuo\n

       \n
     \n
     \n
   \n
   \n
\n

set\u548cadd\u7684\u533a\u522b\uff1aadd\u662f\u53ea\u8d1f\u8d23\u6dfb\u52a0\u6570\u636e\uff0c\u4e0d\u4f1a\u53bb\u4fee\u6539\u6570\u636e\u3002\u5982\u679c\u6dfb\u52a0\u7684\u6570\u636e\u7684key\u5df2\u7ecf\u5b58\u5728\u4e86\uff0c\u5219\u6dfb\u52a0\u5931\u8d25\uff0c\u5982\u679c\u6dfb\u52a0\u7684key\u4e0d\u5b58\u5728\uff0c\u5219\u6dfb\u52a0\u6210\u529f\u3002\u800cset\u4e0d\u540c\uff0c\u5982\u679cmemcached\u4e2d\u4e0d\u5b58\u5728\u76f8\u540c\u7684key\uff0c\u5219\u8fdb\u884c\u6dfb\u52a0\uff0c\u5982\u679c\u5b58\u5728\uff0c\u5219\u66ff\u6362\u3002

\n
1. \n

   \u83b7\u53d6\u6570\u636e\uff1a

   \n
   \n
   • \u8bed\u6cd5\uff1a\n

     get key\n

     \n
   \n
   • \u793a\u4f8b\uff1a\n

     get username\n

     \n
   \n
   \n
\n
2. \n

   \u5220\u9664\u6570\u636e\uff1a

   \n
   \n
   • \u8bed\u6cd5\uff1a\n

     delete key\n

     \n
   \n
   • \u793a\u4f8b\uff1a\n

     delete username\n

     \n
   \n
   • flush_all\uff1a\u5220\u9664memcached\u4e2d\u7684\u6240\u6709\u6570\u636e\u3002
   \n
   \n
\n
3. \n

   \u67e5\u770bmemcached\u7684\u5f53\u524d\u72b6\u6001\uff1a

   \n
   \n
   • \u8bed\u6cd5\uff1astats\u3002
   \n
   \n
\n