![\"menu-r.4af5f7ec.gif\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419152649-6803c0b91b2b0.gif\")
<\/p>\n \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p>\n
\u7b80\u4ecb：\u672c\u6587\u63d0\u4f9b\u5728Java\u73af\u5883\u4e0b\u5b89\u88c5Memcached\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6b65\u9aa4，\u5e76\u4ecb\u7ecd\u5982\u4f55\u5728\u9879\u76ee\u4e2d\u5e94\u7528\u6700\u65b0\u7684Java\u5ba2\u6237\u7aefjar\u5305，\u5305\u62ecspymemcached\u548cxmemcached\u3002Memcached\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf，\u80fd\u591f\u901a\u8fc7\u51cf\u8f7b\u6570\u636e\u5e93\u8d1f\u8f7d\u6765\u63d0\u5347Web\u5e94\u7528\u6027\u80fd\u3002\u6587\u7ae0\u8fd8\u4f1a\u6d89\u53caMemcached\u7684\u57fa\u7840\u77e5\u8bc6\u3001\u5ba2\u6237\u7aef\u4f7f\u7528\u793a\u4f8b\u4ee5\u53ca\u6700\u4f73\u5b9e\u8df5，\u65e8\u5728\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1\u9ad8\u6548\u4f7f\u7528Memcached\u7684\u6280\u5de7\u3002 ![\"JAVA\u7684memcache\u670d\u52a1\u5668\u5b89\u88c5\u4ee5\u53ca\u76f8\u5173\u6700\u65b0jar\u5305\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419152649-6803c0b935cb7.png\")
<\/p>\n
Memcached\u4f5c\u4e3a\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf，\u5e7f\u6cdb\u5e94\u7528\u4e8e\u51cf\u8f7b\u6570\u636e\u5e93\u8d1f\u8f7d\u3001\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6\u7b49\u573a\u666f\u3002\u5728\u90e8\u7f72Memcached\u4e4b\u524d，\u9700\u8981\u8fdb\u884c\u4e00\u7cfb\u5217\u7684\u5b89\u88c5\u6b65\u9aa4\u6765\u786e\u4fdd\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c\u3002\u9996\u5148，\u9009\u62e9\u9002\u5408\u64cd\u4f5c\u7cfb\u7edf\u7684Memcached\u7248\u672c，\u6bd4\u5982Linux\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u5305\u7ba1\u7406\u5668\u5b89\u88c5，Windows\u7528\u6237\u5219\u9700\u4e0b\u8f7d\u76f8\u5e94\u7248\u672c\u7684\u5b89\u88c5\u5305\u3002\u4ee5Linux\u4e3a\u4f8b，\u901a\u5e38\u60c5\u51b5\u4e0b，\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5： <\/p>\n
sudo apt-get update
\nsudo apt-get install memcached<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e，\u53ef\u4ee5\u901a\u8fc7\u542f\u52a8Memcached\u670d\u52a1\u6765\u9a8c\u8bc1\u5b89\u88c5\u662f\u5426\u6210\u529f： <\/p>\n
memcached -d<\/p>\n
\u542f\u52a8\u670d\u52a1\u540e，\u786e\u4fddMemcached\u76d1\u542c\u5728\u6b63\u786e\u7684\u7aef\u53e3（\u9ed8\u8ba4\u4e3a11211）\u4e0a\u3002\u53ef\u4ee5\u4f7f\u7528 netstat \u547d\u4ee4\u67e5\u770b： <\/p>\n
netstat -tulnp | grep memcached<\/p>\n
\u4ee5\u4e0a\u6b65\u9aa4\u63d0\u4f9b\u4e86\u4e00\u4e2aMemcached\u7684\u57fa\u672c\u5b89\u88c5\u6846\u67b6，\u540e\u7eed\u7ae0\u8282\u5c06\u6df1\u5165\u63a2\u8ba8Memcached\u7684\u57fa\u7840\u77e5\u8bc6\u4ee5\u53ca\u5728Java\u4e2d\u7684\u5e94\u7528\u3002 <\/p>\n
\u7f13\u5b58\u662f\u4e00\u79cd\u5b58\u50a8\u6280\u672f，\u7528\u4e8e\u4e34\u65f6\u5b58\u50a8\u6570\u636e\u4ee5\u51cf\u5c11\u6570\u636e\u5e93\u6216\u5176\u4ed6\u5b58\u50a8\u7cfb\u7edf\u7684\u8bbf\u95ee\u6b21\u6570，\u4ece\u800c\u52a0\u5feb\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u7f13\u5b58\u7684\u5de5\u4f5c\u539f\u7406\u57fa\u4e8e\u201c\u5c40\u90e8\u6027\u539f\u7406\u201d，\u5373\u5728\u8f83\u77ed\u7684\u65f6\u95f4\u5185，\u7a0b\u5e8f\u5c06\u91cd\u590d\u8bbf\u95ee\u76f8\u540c\u7684\u6570\u636e\u96c6\u3002\u901a\u8fc7\u7f13\u5b58\u8fd9\u4e9b\u6570\u636e\u5230\u5feb\u901f\u8bbf\u95ee\u7684\u5b58\u50a8\u4e2d，\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6570\u636e\u68c0\u7d22\u901f\u5ea6\u3002 <\/p>\n
\u7f13\u5b58\u6280\u672f\u901a\u8fc7\u51cf\u5c11\u6570\u636e\u7684\u52a0\u8f7d\u65f6\u95f4\u6765\u63d0\u5347\u6027\u80fd，\u8fd9\u5bf9\u4e8eWeb\u5e94\u7528\u7a0b\u5e8f\u5c24\u5176\u91cd\u8981\u3002Memcached\u4f5c\u4e3a\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf，\u4e13\u95e8\u8bbe\u8ba1\u7528\u6765\u7f13\u89e3\u6570\u636e\u5e93\u8d1f\u8f7d\u8fc7\u91cd\u7684\u95ee\u9898\u3002\u5b83\u901a\u8fc7\u5b58\u50a8\u952e\u503c\u5bf9\u7684\u6570\u636e\u7f13\u5b58\u673a\u5236，\u80fd\u591f\u9ad8\u6548\u5730\u5904\u7406\u5927\u91cf\u7684\u5e76\u53d1\u8fde\u63a5\u3002 <\/p>\n
\u5728\u73b0\u4ee3Web\u5e94\u7528\u67b6\u6784\u4e2d，Memcached\u901a\u5e38\u4f4d\u4e8e\u8d1f\u8f7d\u5747\u8861\u5668\u548c\u540e\u7aef\u6570\u636e\u5e93\u4e4b\u95f4，\u4f5c\u4e3a\u4e00\u4e2a\u5206\u5e03\u5f0f\u5185\u5b58\u7f13\u5b58\u5c42\u3002\u5b83\u901a\u8fc7\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u76f4\u63a5\u8bf7\u6c42\u6b21\u6570，\u51cf\u8f7b\u6570\u636e\u5e93\u7684\u67e5\u8be2\u538b\u529b，\u5e76\u4e14\u80fd\u591f\u7f13\u5b58\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\u3001\u4f1a\u8bdd\u4fe1\u606f\u3001\u9875\u9762\u6e32\u67d3\u7ed3\u679c\u7b49\u6570\u636e，\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u53ef\u4f38\u7f29\u6027\u3002 <\/p>\n
Memcached\u4e5f\u7ecf\u5e38\u4e0e\u5176\u4ed6\u5e94\u7528\u670d\u52a1\u5668\u7ed3\u5408\u4f7f\u7528，\u4f8b\u5982\u5728Web\u670d\u52a1\u5668\u524d\u8bbe\u7f6e\u4e00\u4e2aMemcached\u96c6\u7fa4\u6765\u7f13\u5b58\u9891\u7e41\u88ab\u8bf7\u6c42\u7684Web\u5185\u5bb9\u3002\u8fd9\u6837，Memcached\u80fd\u591f\u63d0\u4f9b\u5feb\u901f\u7684\u6570\u636e\u5b58\u53d6\u670d\u52a1，\u800cWeb\u670d\u52a1\u5668\u5219\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u5904\u7406HTTP\u8bf7\u6c42\u548c\u52a8\u6001\u751f\u6210\u54cd\u5e94\u3002 <\/p>\n
Memcached\u5185\u90e8\u5b9e\u73b0\u4f9d\u8d56\u4e8e\u5185\u5b58\u4e2d\u7684\u952e\u503c\u5b58\u50a8\u7ed3\u6784，\u5176\u6838\u5fc3\u662f\u5229\u7528\u54c8\u5e0c\u8868\u6765\u5b9e\u73b0\u5bf9\u6570\u636e\u9879\u7684\u5feb\u901f\u68c0\u7d22\u3002\u6bcf\u4e2a\u5b58\u50a8\u5728Memcached\u4e2d\u7684\u6570\u636e\u9879\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u952e\u548c\u4e00\u4e2a\u76f8\u5173\u7684\u503c，\u952e\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32，\u503c\u53ef\u4ee5\u662f\u4efb\u610f\u7c7b\u578b\u7684\u6570\u636e（\u901a\u5e38\u662f\u5b57\u7b26\u4e32）\u3002 <\/p>\n
\u5f53\u4e00\u4e2a\u6570\u636e\u9879\u88ab\u5b58\u5165Memcached\u65f6，\u7cfb\u7edf\u901a\u8fc7\u54c8\u5e0c\u51fd\u6570\u5c06\u952e\u6620\u5c04\u5230\u5185\u5b58\u4e2d\u7684\u4e00\u4e2a\u4f4d\u7f6e，\u8fd9\u4e2a\u4f4d\u7f6e\u5b58\u50a8\u7740\u952e\u548c\u503c\u3002\u7531\u4e8e\u8fd9\u79cd\u5b58\u50a8\u65b9\u5f0f\u4ec5\u4f7f\u7528\u5185\u5b58，Memcached\u80fd\u591f\u4ee5\u975e\u5e38\u4f4e\u7684\u5ef6\u8fdf\u8fdb\u884c\u6570\u636e\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u4e3a\u4e86\u4f18\u5316\u5185\u5b58\u4f7f\u7528，Memcached\u8fd8\u652f\u6301\u8bbe\u7f6e\u6570\u636e\u9879\u7684\u6709\u6548\u671f（expirations），\u4e00\u65e6\u8d85\u8fc7\u6709\u6548\u671f，\u6570\u636e\u9879\u4f1a\u88ab\u81ea\u52a8\u5220\u9664\u3002 <\/p>\n
Memcached\u8bbe\u8ba1\u4e3a\u4e00\u4e2a\u5206\u5e03\u5f0f\u7cfb\u7edf，\u80fd\u591f\u8de8\u8d8a\u591a\u4e2a\u7269\u7406\u6216\u865a\u62df\u670d\u52a1\u5668\u8fd0\u884c\u3002\u5f53\u901a\u8fc7Memcached\u5ba2\u6237\u7aef\u8bbf\u95ee\u7f13\u5b58\u65f6，\u53ef\u4ee5\u900f\u660e\u5730\u8bbf\u95ee\u96c6\u7fa4\u4e2d\u7684\u4efb\u4f55\u8282\u70b9，\u56e0\u4e3a\u6bcf\u4e2a\u8282\u70b9\u90fd\u662f\u5bf9\u7b49\u7684，\u5e76\u6ca1\u6709\u4e00\u4e2a\u4e2d\u5fc3\u5316\u7684\u534f\u8c03\u5668\u3002\u8fd9\u79cd\u5206\u5e03\u5f0f\u7684\u7279\u6027\u5141\u8bb8Memcached\u96c6\u7fa4\u6c34\u5e73\u6269\u5c55，\u5373\u901a\u8fc7\u589e\u52a0\u66f4\u591a\u7684\u8282\u70b9\u6765\u7ebf\u6027\u63d0\u5347\u7cfb\u7edf\u7684\u5bb9\u91cf\u548c\u541e\u5410\u91cf\u3002 <\/p>\n
\u4e3a\u4e86\u5b9e\u73b0\u5206\u5e03\u5f0f\u5b58\u50a8，Memcached\u5ba2\u6237\u7aef\u4f7f\u7528\u4e00\u81f4\u6027\u54c8\u5e0c\u6280\u672f\u6765\u9009\u62e9\u5408\u9002\u7684\u8282\u70b9\u5b58\u50a8\u6216\u68c0\u7d22\u6570\u636e\u3002\u8fd9\u79cd\u6280\u672f\u786e\u4fdd\u4e86\u5f53\u96c6\u7fa4\u6269\u5c55\u6216\u7f29\u51cf\u65f6，\u53ea\u6709\u5f88\u5c11\u7684\u6570\u636e\u9879\u9700\u8981\u8fc1\u79fb，\u4ece\u800c\u964d\u4f4e\u4e86\u7f13\u5b58\u5931\u6548\u7684\u98ce\u9669\u548c\u7ba1\u7406\u5f00\u9500\u3002 <\/p>\n
Memcached\u914d\u7f6e\u6587\u4ef6（\u9ed8\u8ba4\u540d\u4e3amemcached.conf）\u5141\u8bb8\u7ba1\u7406\u5458\u8c03\u6574\u670d\u52a1\u5668\u7684\u884c\u4e3a\u548c\u6027\u80fd\u3002\u914d\u7f6e\u6587\u4ef6\u4e2d\u5305\u542b\u591a\u4e2a\u9009\u9879，\u5982\u76d1\u542c\u5730\u5740\u3001\u7aef\u53e3\u3001\u6700\u5927\u5185\u5b58\u4f7f\u7528\u91cf\u3001\u6700\u5927\u8fde\u63a5\u6570\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u914d\u7f6e\u6587\u4ef6\u793a\u4f8b： <\/p>\n
# \u542f\u52a8\u76d1\u542c\u7684\u7aef\u53e3
\n-p 11211
\n# \u6700\u5927\u5185\u5b58\u4f7f\u7528\u91cf（MB）
\n-m 64
\n# \u6700\u5927\u5e76\u53d1\u8fde\u63a5\u6570
\n-c 1024
\n# \u65e5\u5fd7\u6587\u4ef6\u8def\u5f84
\n-l ***.*.*.*
\n# \u65e5\u5fd7\u7ea7\u522b
\n-U 0<\/p>\n
\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d，\u53ef\u4ee5\u9488\u5bf9\u4e0d\u540c\u7684\u4f7f\u7528\u573a\u666f\u8fdb\u884c\u8c03\u6574\u3002\u4f8b\u5982，\u5982\u679c\u670d\u52a1\u5668\u5185\u5b58\u8db3\u591f\u5927，\u53ef\u4ee5\u589e\u52a0\u6700\u5927\u5185\u5b58\u4f7f\u7528\u91cf\u4ee5\u5b58\u50a8\u66f4\u591a\u7684\u6570\u636e\u9879\u3002\u4f46\u5982\u679c\u5185\u5b58\u8f83\u5c11，\u9700\u8981\u76f8\u5e94\u5730\u51cf\u5c11\u5185\u5b58\u9650\u5236\u4ee5\u907f\u514d\u4ea4\u6362\u5230\u78c1\u76d8，\u8fd9\u4f1a\u663e\u8457\u964d\u4f4e\u6027\u80fd\u3002 <\/p>\n
\u6027\u80fd\u8c03\u4f18\u662f\u4fdd\u8bc1Memcached\u9ad8\u6548\u8fd0\u884c\u7684\u5173\u952e\u6b65\u9aa4\u3002\u8c03\u4f18\u901a\u5e38\u5305\u62ec\u8c03\u6574\u5185\u5b58\u5206\u914d\u3001\u5e76\u53d1\u8fde\u63a5\u6570\u548c\u8fc7\u671f\u7b56\u7565\u7b49\u3002\u4f8b\u5982，\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u5408\u7406\u7684\u5185\u5b58\u4f7f\u7528\u91cf\u6765\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u78c1\u76d8\u4ea4\u6362，\u901a\u8fc7\u8c03\u6574\u5e76\u53d1\u8fde\u63a5\u6570\u6765\u5e73\u8861\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u80fd\u529b\u3002 <\/p>\n
\u53e6\u4e00\u4e2a\u91cd\u8981\u7684\u4f18\u5316\u70b9\u662f\u6570\u636e\u8fc7\u671f\u7b56\u7565\u3002\u5408\u7406\u8bbe\u7f6e\u6570\u636e\u7684TTL（Time to Live）\u53ef\u4ee5\u6709\u6548\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6570\u636e，\u907f\u514d\u5185\u5b58\u8017\u5c3d\u3002Memcached\u63d0\u4f9b\u4e86\u591a\u79cd\u8fc7\u671f\u673a\u5236，\u5305\u62ec\u7edd\u5bf9\u8fc7\u671f\u65f6\u95f4\u548c\u76f8\u5bf9\u8fc7\u671f\u65f6\u95f4，\u7ba1\u7406\u5458\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u9009\u62e9\u3002 <\/p>\n
\u5728\u8c03\u6574\u6027\u80fd\u65f6，\u8fd8\u9700\u8981\u6ce8\u610f\u76d1\u63a7Memcached\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5，\u5305\u62ec\u5185\u5b58\u5360\u7528\u3001CPU\u8d1f\u8f7d\u548c\u7f51\u7edc\u6d41\u91cf\u7b49\u6307\u6807\u3002\u8fd9\u4e9b\u4fe1\u606f\u53ef\u4ee5\u5e2e\u52a9\u53d1\u73b0\u6f5c\u5728\u7684\u6027\u80fd\u74f6\u9888，\u5e76\u6307\u5bfc\u8c03\u4f18\u7b56\u7565\u7684\u5236\u5b9a\u3002\u4f7f\u7528\u8bf8\u5982 top \u3001 htop \u3001 memtier_benchmark \u7b49\u5de5\u5177\u53ef\u4ee5\u76d1\u63a7\u548c\u8bc4\u4f30Memcached\u7684\u6027\u80fd\u8868\u73b0\u3002 <\/p>\n
spymemcached\u662f\u7531Danga Interactive\u5f00\u53d1\u7684Java\u5ba2\u6237\u7aef\u5e93，\u5b83\u4ee5\u7b80\u6d01\u7684API\u548c\u826f\u597d\u7684\u6027\u80fd\u800c\u8457\u79f0\u3002\u8be5\u5ba2\u6237\u7aef\u7279\u522b\u9002\u5408\u7528\u4e8e\u5927\u578b\u5206\u5e03\u5f0f\u90e8\u7f72\u7684\u73af\u5883，\u652f\u6301\u9ad8\u5e76\u53d1\u548c\u4f4e\u5ef6\u8fdf\u7684\u573a\u666f\u3002\u4e0e\u5176\u4ed6\u5ba2\u6237\u7aef\u5e93\u76f8\u6bd4，spymemcached\u7684\u4f18\u52bf\u5728\u4e8e： <\/p>\n
\u4e3a\u4e86\u5728Java\u9879\u76ee\u4e2d\u4f7f\u7528spymemcached\u5ba2\u6237\u7aef\u5e93，\u60a8\u9700\u8981\u6dfb\u52a0\u76f8\u5e94\u7684\u4f9d\u8d56\u5230\u60a8\u7684\u9879\u76ee\u4e2d\u3002\u5982\u679c\u4f7f\u7528Maven\u4f5c\u4e3a\u6784\u5efa\u5de5\u5177，\u53ef\u4ee5\u5728pom.xml\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56： <\/p>\n
<dependency>
\n <groupId>com.github.spymemcached<\/groupId>
\n <artifactId>spy-memcached<\/artifactId>
\n <version>2.12.3<\/version>
\n<\/dependency><\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e，\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u57fa\u672c\u7684\u4f7f\u7528： <\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528spymemcached\u8fdb\u884c\u8fde\u63a5\u548c\u5b58\u53d6\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801： <\/p>\n
import net.spy.memcached.*;<\/p>\n
public class SpymemcachedExample {
\n public static void main(String[] args) throws Exception {
\n \/\/ \u521b\u5efa\u4e00\u4e2a\u8fde\u63a5\u670d\u52a1\u5668\u5217\u8868
\n MemcachedClientBuilder builder = new ConnectionFactoryBuilder()
\n .setProtocol(Protocol.BINARY)
\n .setFailureMode(FailureMode.REDIRECT)
\n .setTranscoder(new SerializingTranscoder())
\n .setOpTimeout(5000)
\n .setReadTimeout(5000)
\n .setRetryDelay(500)
\n .setServerFailoverTime(1000)
\n .setLocatorType(Locator\uc724.Default);<\/p>\n
\/\/ \u6784\u5efa\u8fde\u63a5\u6c60
\n ConnectionPool connectionPool = new ConnectionPoolImpl(builder, 10, 1000);
\n MemcachedClient client = new MemcachedClient(connectionPool);
\n \/\/ \u8fde\u63a5\u5230\u670d\u52a1\u5668
\n client.addServer("localhost", 11211);<\/p>\n
\/\/ \u5b58\u50a8\u6570\u636e
\n client.set("key", 90, "value");<\/p>\n
\/\/ \u83b7\u53d6\u6570\u636e
\n String value = client.get("key");
\n System.out.println(value);
\n \/\/ \u5173\u95ed\u8fde\u63a5
\n client.shutdown();
\n }
\n}<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u521b\u5efa\u4e86\u4e00\u4e2aMemcached\u5ba2\u6237\u7aef\u5b9e\u4f8b，\u5e76\u8fde\u63a5\u5230\u4e86\u672c\u5730\u8fd0\u884c\u7684Memcached\u670d\u52a1\u3002\u7136\u540e\u8bbe\u7f6e\u4e86\u4e00\u4e2a\u952e\u503c\u5bf9\u5230\u7f13\u5b58\u4e2d，\u63a5\u7740\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u8fd9\u4e2a\u952e\u5bf9\u5e94\u7684\u503c\u5e76\u6253\u5370\u51fa\u6765，\u6700\u540e\u5173\u95ed\u4e86\u5ba2\u6237\u7aef\u8fde\u63a5\u3002 <\/p>\n
spymemcached\u7684\u6838\u5fc3\u67b6\u6784\u57fa\u4e8e MemcachedClient ， Transcoder ， ConnectionFactory \u7b49\u7ec4\u4ef6\u6784\u6210\u3002 <\/p>\n
spymemcached\u8fd8\u63d0\u4f9b\u4e86\u8fde\u63a5\u6c60\u673a\u5236，\u4ee5\u51cf\u5c11\u91cd\u590d\u521b\u5efa\u8fde\u63a5\u7684\u5f00\u9500，\u4f18\u5316\u4e86\u6027\u80fd\u3002\u540c\u65f6，\u5b83\u652f\u6301\u901a\u8fc7\u4e8b\u4ef6\u76d1\u542c\u5668\u6765\u5904\u7406\u5404\u79cd\u7f51\u7edc\u4e8b\u4ef6，\u6bd4\u5982\u8fde\u63a5\u5efa\u7acb\u4e0e\u65ad\u5f00，\u547d\u4ee4\u6267\u884c\u5b8c\u6210\u7b49\u3002 <\/p>\n
\u901a\u8fc7\u4e86\u89e3spymemcached\u7684\u67b6\u6784\u548c\u7ec4\u4ef6，\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u548c\u4f7f\u7528\u65b9\u5f0f，\u8fdb\u4e00\u6b65\u4f18\u5316Memcached\u7684\u6027\u80fd\u3002 <\/p>\n
xmemcached\u662f\u4e00\u4e2a\u7eafJava\u5b9e\u73b0\u7684Memcached\u5ba2\u6237\u7aef\u5e93，\u5b83\u5728\u529f\u80fd\u4e30\u5bcc\u5ea6\u3001\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u4e0a\u90fd\u6709\u4e0d\u4fd7\u7684\u8868\u73b0\u3002xmemcached\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u4e00\u4e9b\u4f18\u52bf： <\/p>\n
\u548cspymemcached\u7c7b\u4f3c，\u8981\u5728Java\u9879\u76ee\u4e2d\u4f7f\u7528xmemcached，\u9996\u5148\u9700\u8981\u6dfb\u52a0Maven\u4f9d\u8d56： <\/p>\n
<dependency>
\n <groupId>com.googlecode.xmemcached<\/groupId>
\n <artifactId>xmemcached<\/artifactId>
\n <version>3.3.0<\/version>
\n<\/dependency><\/p>\n
\u5b89\u88c5\u5b8c\u6210\u4e4b\u540e，\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528xmemcached\u8fdb\u884c\u57fa\u672c\u8fde\u63a5\u548c\u6570\u636e\u5b58\u53d6\u64cd\u4f5c\u7684\u793a\u4f8b： <\/p>\n
import net.rubyeye.xmemcached.MemcachedClient;
\nimport net.rubyeye.xmemcached.XMemcachedClientBuilder;
\nimport net.rubyeye.xmemcached.exception.MemcachedException;<\/p>\n
import java.util.concurrent.TimeUnit;<\/p>\n
public class XmemcachedExample {
\n public static void main(String[] args) throws MemcachedException {
\n MemcachedClient client = new XMemcachedClientBuilder(
\n "localhost:11211").build();<\/p>\n
\/\/ \u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\u4e3a5\u79d2
\n client.setConnectionPoolTimeout(5, TimeUnit.SECONDS);
\n \/\/ \u5b58\u50a8\u6570\u636e
\n client.set("key", 0, "value");
\n \/\/ \u83b7\u53d6\u6570\u636e
\n String value = client.get("key");
\n System.out.println(value);
\n \/\/ \u5173\u95ed\u8fde\u63a5
\n client.shutdown();
\n }
\n}<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efa\u4e00\u4e2axmemcached\u7684\u5ba2\u6237\u7aef\u5b9e\u4f8b，\u5e76\u4e0e\u672c\u5730\u7684Memcached\u670d\u52a1\u5668\u8fdb\u884c\u8fde\u63a5\u3002\u4e4b\u540e，\u5b83\u4f7f\u7528\u5ba2\u6237\u7aef\u5b9e\u4f8b\u5b58\u50a8\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32\u503c，\u5e76\u4ece\u7f13\u5b58\u4e2d\u68c0\u7d22\u5b83，\u6700\u540e\u5173\u95ed\u4e86\u8fde\u63a5\u3002 <\/p>\n
xmemcached\u5e93\u53ef\u4ee5\u5f88\u5bb9\u6613\u96c6\u6210\u5230Spring\u6846\u67b6\u4e2d，\u5e76\u652f\u6301\u4f7f\u7528Guice\u3001Spring\u7b49\u65b9\u5f0f\u8fdb\u884c\u4f9d\u8d56\u6ce8\u5165\u3002\u5b83\u8fd8\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u914d\u7f6e\u9009\u9879，\u4ee5\u6ee1\u8db3\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u9700\u8981\u3002 <\/p>\n
xmemcached\u7684\u6838\u5fc3\u7ec4\u4ef6\u5305\u62ec MemcachedClient ， MemcachedTranscoder ，\u4ee5\u53ca XMemcachedClientBuilder \u7b49\u3002 <\/p>\n
xmemcached\u5185\u90e8\u4f7f\u7528Java NIO\u7684 Selector \u6a21\u578b，\u53ef\u4ee5\u5904\u7406\u5927\u91cf\u7684\u5e76\u53d1\u8fde\u63a5\u3002\u5b83\u4e5f\u652f\u6301\u81ea\u5b9a\u4e49 Transcoder \u5b9e\u73b0，\u65b9\u4fbf\u5b58\u50a8\u81ea\u5b9a\u4e49\u5bf9\u8c61\u3002xmemcached\u901a\u8fc7\u914d\u7f6e\u9879，\u5141\u8bb8\u7528\u6237\u7ec6\u7c92\u5ea6\u5730\u8c03\u6574\u8fde\u63a5\u53c2\u6570，\u5305\u62ec\u6700\u5927\u8fde\u63a5\u6570\u3001\u8fde\u63a5\u8d85\u65f6\u3001\u91cd\u8bd5\u6b21\u6570\u7b49\u3002 <\/p>\n
xmemcached\u7684\u67b6\u6784\u8bbe\u8ba1\u8ba9\u5176\u5177\u6709\u5f88\u597d\u7684\u6269\u5c55\u6027，\u53ef\u4ee5\u5bb9\u6613\u5730\u6dfb\u52a0\u65b0\u7684\u534f\u8bae\u652f\u6301\u6216\u5b9e\u73b0\u7279\u5b9a\u7684\u529f\u80fd\u3002\u6b64\u5916，xmemcached\u7684\u5185\u90e8\u7ed3\u6784\u4f7f\u5f97\u5176\u53ef\u4ee5\u5feb\u901f\u5730\u5bf9Memcached\u534f\u8bae\u8fdb\u884c\u66f4\u65b0，\u5e76\u4e14\u53ef\u4ee5\u5f88\u5feb\u5730\u9002\u5e94\u65b0\u7248\u672c\u7684Memcached\u670d\u52a1\u5668\u3002 <\/p>\n
\u901a\u8fc7\u672c\u6587\u5bf9Java Memcached\u5ba2\u6237\u7aef\u5e93\u7684\u6982\u8ff0，\u5e0c\u671b\u8bfb\u8005\u80fd\u591f\u5bf9\u5982\u4f55\u9009\u62e9\u548c\u4f7f\u7528Memcached\u5ba2\u6237\u7aef\u5e93\u6709\u4e00\u4e2a\u521d\u6b65\u7684\u8ba4\u8bc6\u3002\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u5c06\u6df1\u5165\u4ecb\u7ecd\u5982\u4f55\u5728Java\u9879\u76ee\u4e2d\u6dfb\u52a0Memcached\u5ba2\u6237\u7aefjar\u5305，\u4ee5\u53ca\u5982\u4f55\u8fdb\u884cMemcached\u6570\u636e\u5b58\u53d6\u64cd\u4f5c\u3002 <\/p>\n
\u5728\u4f7f\u7528Maven\u4f5c\u4e3a\u9879\u76ee\u7ba1\u7406\u5de5\u5177\u7684Java\u9879\u76ee\u4e2d，\u6dfb\u52a0Memcached\u5ba2\u6237\u7aef\u5e93\u975e\u5e38\u4fbf\u6377\u3002\u9996\u5148，\u9700\u8981\u5728\u9879\u76ee\u7684 pom.xml \u6587\u4ef6\u4e2d\u6dfb\u52a0\u5bf9\u5e94\u7684\u4f9d\u8d56\u3002\u4f8b\u5982，\u8981\u6dfb\u52a0xmemcached\u5ba2\u6237\u7aef\u5e93，\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56： <\/p>\n
<dependencies>
\n <!– xmemcached client –>
\n <dependency>
\n <groupId>com.google.code.xmemcached<\/groupId>
\n <artifactId>xmemcached<\/artifactId>
\n <version>2.4.5<\/version>
\n <\/dependency>
\n<\/dependencies><\/p>\n
\u5728\u6dfb\u52a0\u5b8c\u6bd5\u540e，\u8fd0\u884cMaven\u7684 mvn clean install \u547d\u4ee4，\u4ee5\u786e\u4fdd\u6240\u6709\u4f9d\u8d56\u90fd\u88ab\u4e0b\u8f7d\u5e76\u5b89\u88c5\u5230\u672c\u5730\u4ed3\u5e93\u4e2d\u3002Maven\u4f1a\u81ea\u52a8\u5904\u7406jar\u5305\u53ca\u5176\u4f9d\u8d56\u7684\u4e0b\u8f7d\u4e0e\u7ba1\u7406，\u8fd9\u7b80\u5316\u4e86\u5f00\u53d1\u8005\u7684\u64cd\u4f5c\u6d41\u7a0b\u3002 <\/p>\n
\u5982\u679c\u4e0d\u4f7f\u7528Maven\u6216\u5176\u4ed6\u4f9d\u8d56\u7ba1\u7406\u5de5\u5177，\u624b\u52a8\u6dfb\u52a0jar\u5305\u53ca\u5176\u4f9d\u8d56\u4e5f\u662f\u53ef\u884c\u7684\u3002\u9996\u5148，\u9700\u8981\u4ece\u5b98\u65b9\u6216\u5176\u4ed6\u6e90\u4e0b\u8f7d\u5ba2\u6237\u7aef\u5e93\u7684jar\u6587\u4ef6\u4ee5\u53ca\u6240\u6709\u5fc5\u9700\u7684\u4f9d\u8d56jar\u6587\u4ef6\u3002\u63a5\u7740，\u5c06\u8fd9\u4e9bjar\u6587\u4ef6\u590d\u5236\u5230\u9879\u76ee\u7684 lib \u76ee\u5f55\u4e0b（\u5982\u679c\u4e0d\u5b58\u5728，\u9700\u8981\u521b\u5efa\u4e00\u4e2a）\u3002 <\/p>\n
\u4e4b\u540e，\u5728IDE\u4e2d\u8fdb\u884c\u914d\u7f6e，\u901a\u5e38\u662f\u5728\u9879\u76ee\u7684\u6784\u5efa\u8def\u5f84\u8bbe\u7f6e\u4e2d，\u5c06\u8fd9\u4e9bjar\u6587\u4ef6\u6dfb\u52a0\u5230\u9879\u76ee\u7684\u7c7b\u8def\u5f84\u4e2d\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u786e\u4fdd\u5728\u7f16\u8bd1\u548c\u8fd0\u884c\u9879\u76ee\u65f6，Java\u865a\u62df\u673a\u80fd\u591f\u627e\u5230\u6240\u9700\u7684\u5e93\u3002 <\/p>\n
Memcached\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u7ba1\u7406\u5bf9\u4e8e\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002xmemcached\u5ba2\u6237\u7aef\u5e93\u63d0\u4f9b\u4e86\u8fde\u63a5\u6c60\u7684\u652f\u6301，\u53ef\u4ee5\u914d\u7f6e\u8fde\u63a5\u6c60\u6765\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u4ee5\u4e0b\u662f\u914d\u7f6e\u8fde\u63a5\u6c60\u7684\u4e00\u4e2a\u4f8b\u5b50： <\/p>\n
ClientConfig clientConfig = new ClientConfig();
\nclientConfig.setConnectionPoolSize(10); \/\/ \u8bbe\u7f6e\u8fde\u63a5\u6c60\u5927\u5c0f\u4e3a10
\nclientConfig.setUseNagleAlgorithm(false); \/\/ \u7981\u7528Nagle\u7b97\u6cd5\u4ee5\u51cf\u5c11\u5ef6\u8fdf
\nclientConfig.setSocketConnectTimeout(1000); \/\/ \u8bbe\u7f6e\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4
\nclientConfig.setSessionIdleTimeout(1800); \/\/ \u8bbe\u7f6e\u4f1a\u8bdd\u7a7a\u95f2\u8d85\u65f6\u65f6\u95f4<\/p>\n
\/\/ \u4f7f\u7528ClientConfig\u6784\u5efaMemcachedClient\u5b9e\u4f8b
\nMemcachedClient client = new MemcachedClient(clientConfig, addresses);<\/p>\n
\u5728\u4ee3\u7801\u4e2d，\u6211\u4eec\u521b\u5efa\u4e86 ClientConfig \u5bf9\u8c61，\u5e76\u5bf9\u5176\u8fdb\u884c\u4e86\u4e00\u7cfb\u5217\u914d\u7f6e，\u6bd4\u5982\u8bbe\u7f6e\u8fde\u63a5\u6c60\u5927\u5c0f\u3001\u662f\u5426\u4f7f\u7528Nagle\u7b97\u6cd5\u3001\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\u4ee5\u53ca\u4f1a\u8bdd\u7a7a\u95f2\u8d85\u65f6\u65f6\u95f4\u3002\u914d\u7f6e\u5b8c\u6210\u540e，\u6211\u4eec\u5229\u7528\u8fd9\u4e2a\u914d\u7f6e\u5bf9\u8c61\u548c\u670d\u52a1\u5668\u5730\u5740\u5217\u8868\u521b\u5efa\u4e86 MemcachedClient \u5b9e\u4f8b\u3002 <\/p>\n
\u5ba2\u6237\u7aef\u7684\u751f\u547d\u5468\u671f\u63a7\u5236\u6d89\u53ca\u5230\u5ba2\u6237\u7aef\u5b9e\u4f8b\u7684\u521b\u5efa\u3001\u4f7f\u7528\u548c\u5173\u95ed\u3002\u4e3a\u4e86\u786e\u4fdd\u8d44\u6e90\u5f97\u5230\u6070\u5f53\u7684\u7ba1\u7406，\u4f7f\u7528try-with-resources\u8bed\u53e5\u53ef\u4ee5\u786e\u4fdd\u5373\u4f7f\u5728\u51fa\u73b0\u5f02\u5e38\u7684\u60c5\u51b5\u4e0b，\u8d44\u6e90\u4e5f\u80fd\u88ab\u6b63\u786e\u5173\u95ed\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50： <\/p>\n
try (MemcachedClient client = new MemcachedClient()) {
\n \/\/ \u4f7f\u7528client\u8fdb\u884c\u6570\u636e\u5b58\u53d6\u64cd\u4f5c
\n} catch (IOException e) {
\n \/\/ \u5904\u7406\u5f02\u5e38
\n}<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d，\u5f53try\u4ee3\u7801\u5757\u7ed3\u675f\u65f6， MemcachedClient \u5b9e\u4f8b\u4f1a\u81ea\u52a8\u5173\u95ed，\u91ca\u653e\u6240\u6709\u8d44\u6e90\u3002\u8fd9\u662f\u7ba1\u7406\u8d44\u6e90\u7684\u63a8\u8350\u65b9\u5f0f，\u56e0\u4e3a\u5b83\u65e2\u7b80\u6d01\u53c8\u6709\u6548\u3002 <\/p>\n
\u5728\u7b2c\u56db\u7ae0\u4e2d，\u6211\u4eec\u4ecb\u7ecd\u4e86\u5982\u4f55\u5728Java\u9879\u76ee\u4e2d\u6dfb\u52a0Memcached\u5ba2\u6237\u7aef\u5e93jar\u5305，\u5e76\u8bb2\u89e3\u4e86\u5982\u4f55\u901a\u8fc7Maven\u6216\u624b\u52a8\u65b9\u5f0f\u6dfb\u52a0\u4f9d\u8d56\u3002\u7136\u540e，\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u4e86\u5ba2\u6237\u7aef\u7684\u521d\u59cb\u5316\u548c\u8fde\u63a5\u7ba1\u7406，\u7279\u522b\u662f\u8fde\u63a5\u6c60\u7684\u914d\u7f6e\u548c\u5ba2\u6237\u7aef\u751f\u547d\u5468\u671f\u7684\u63a7\u5236\u3002\u8fd9\u4e9b\u5185\u5bb9\u5bf9\u4e8e\u7406\u89e3\u548c\u5e94\u7528Memcached\u5ba2\u6237\u7aef\u81f3\u5173\u91cd\u8981，\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u9ad8\u6548\u5730\u5229\u7528Memcached\u8fdb\u884c\u6027\u80fd\u4f18\u5316\u3002\u5728\u4e0b\u4e00\u7ae0\u8282\u4e2d，\u6211\u4eec\u5c06\u5177\u4f53\u5c55\u793a\u5982\u4f55\u4f7f\u7528Memcached\u8fdb\u884c\u57fa\u672c\u7684\u6570\u636e\u5b58\u53d6\u64cd\u4f5c，\u4ee5\u53ca\u9ad8\u7ea7\u7684\u6570\u636e\u64cd\u4f5c\u6280\u672f\u3002 <\/p>\n
Memcached\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u952e\u503c\u5b58\u50a8\u65b9\u5f0f，\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528set\u65b9\u6cd5\u6765\u5b58\u50a8\u6570\u636e，\u5e76\u901a\u8fc7get\u65b9\u6cd5\u6765\u68c0\u7d22\u6570\u636e\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u57fa\u672c\u64cd\u4f5c\u7684\u5b9e\u73b0\u3002 <\/p>\n
\u9996\u5148，\u6211\u4eec\u6765\u770b\u4e00\u4e0bset\u65b9\u6cd5\u7684\u57fa\u672c\u8bed\u6cd5： <\/p>\n
public void set(Serializable key, Serializable value, int expiry)<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570： – key：\u4f5c\u4e3a\u6570\u636e\u8bbf\u95ee\u7684\u6807\u8bc6\u7b26，\u5fc5\u987b\u662fSerializable\u7c7b\u578b\u3002 – value：\u5b9e\u9645\u5b58\u50a8\u7684\u6570\u636e，\u5fc5\u987b\u662fSerializable\u7c7b\u578b\u3002 – expiry：\u6570\u636e\u7684\u6709\u6548\u671f，\u5355\u4f4d\u4e3a\u79d2\u3002\u5982\u679c\u8bbe\u5b9a\u4e3a0，\u5219\u8868\u793a\u4e0d\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u3002 <\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2aset\u65b9\u6cd5\u4f7f\u7528\u793a\u4f8b： <\/p>\n
import net.spy.memcached.MemcachedClient;<\/p>\n
public class MemcachedExample {
\n public static void main(String[] args) throws Exception {
\n MemcachedClient client = new MemcachedClient(new InetSocketAddress("localhost", 11211));
\n \/\/ \u5b58\u50a8\u6570\u636e
\n client.set("key1", "value1", 0);
\n \/\/ \u83b7\u53d6\u6570\u636e
\n String value = (String) client.get("key1");
\n System.out.println(value);
\n }
\n}<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d，\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aMemcachedClient\u5b9e\u4f8b，\u8fde\u63a5\u5230\u672c\u5730\u768411211\u7aef\u53e3（\u8fd9\u662fMemcached\u7684\u9ed8\u8ba4\u7aef\u53e3）\u3002\u7136\u540e，\u6211\u4eec\u4f7f\u7528set\u65b9\u6cd5\u5b58\u50a8\u4e86\u4e00\u4e2a\u952e\u4e3a"key1"\u3001\u503c\u4e3a"value1"\u7684\u5b57\u7b26\u4e32，\u5e76\u6ca1\u6709\u6307\u5b9a\u8fc7\u671f\u65f6\u95f4\u3002\u63a5\u7740，\u6211\u4eec\u4f7f\u7528get\u65b9\u6cd5\u83b7\u53d6\u5e76\u6253\u5370\u4e86\u8fd9\u4e2a\u952e\u5bf9\u5e94\u7684\u503c\u3002 <\/p>\n
\u9664\u4e86\u57fa\u672c\u7684set\u548cget\u64cd\u4f5c，Memcached\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u7684\u6570\u636e\u64cd\u4f5c\u65b9\u6cd5，\u5982\u589e\u52a0(add)\u3001\u66ff\u6362(replace)\u548c\u5220\u9664(delete)\u3002 <\/p>\n
\u4e0b\u9762\u662f\u8fd9\u4e9b\u64cd\u4f5c\u7684\u4f7f\u7528\u793a\u4f8b： <\/p>\n
\/\/ \u589e\u52a0\u64cd\u4f5c\u793a\u4f8b
\nclient.add("key2", "value2", 0);<\/p>\n
\/\/ \u66ff\u6362\u64cd\u4f5c\u793a\u4f8b
\nclient.replace("key1", "new_value", 0);<\/p>\n
\/\/ \u5220\u9664\u64cd\u4f5c\u793a\u4f8b
\nclient.delete("key2");<\/p>\n
\u5728\u589e\u52a0\u64cd\u4f5c\u4e2d，\u5982\u679c"key2"\u5df2\u7ecf\u5b58\u5728，\u5219\u64cd\u4f5c\u5931\u8d25\u3002\u66ff\u6362\u64cd\u4f5c\u53ea\u6709\u5f53"key1"\u5b58\u5728\u65f6\u624d\u4f1a\u66f4\u65b0\u5b83\u7684\u503c\u4e3a"new_value"\u3002\u5220\u9664\u64cd\u4f5c\u4f1a\u79fb\u9664"key2"\u5bf9\u5e94\u7684\u952e\u503c\u5bf9\u3002 <\/p>\n
Memcached\u5ba2\u6237\u7aef\u8fd8\u652f\u6301\u5bf9\u591a\u4e2a\u952e\u8fdb\u884c\u64cd\u4f5c，\u8fd9\u5305\u62ec\u4e86\u6279\u91cf\u8bbe\u7f6e(setMulti)\u3001\u6279\u91cf\u83b7\u53d6(getMulti)\u4ee5\u53ca\u6279\u91cf\u5220\u9664(deleteMulti)\u7b49\u3002\u6279\u91cf\u64cd\u4f5c\u53ef\u4ee5\u4e00\u6b21\u6027\u5904\u7406\u591a\u4e2a\u952e\u503c\u5bf9，\u4ece\u800c\u63d0\u9ad8\u6548\u7387\u3002 <\/p>\n
\u8fd9\u662f\u6279\u91cf\u8bbe\u7f6e(setMulti)\u65b9\u6cd5\u7684\u57fa\u672c\u4f7f\u7528： <\/p>\n
import java.util.HashMap;
\nimport java.util.Map;<\/p>\n
\/\/ \u6784\u5efa\u4e00\u4e2a\u952e\u503c\u5bf9\u6620\u5c04
\nMap<String, String> items = new HashMap<>();
\nitems.put("key3", "value3");
\nitems.put("key4", "value4");<\/p>\n
\/\/ \u6279\u91cf\u8bbe\u7f6e
\nclient.setMulti(items);<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u952e\u503c\u5bf9\u7684Map\u5bf9\u8c61，\u7136\u540e\u4f7f\u7528setMulti\u65b9\u6cd5\u5c06\u5b83\u4eec\u6279\u91cf\u5b58\u50a8\u5230Memcached\u4e2d\u3002 <\/p>\n
\u6279\u91cf\u83b7\u53d6(getMulti)\u65b9\u6cd5\u5219\u53ef\u4ee5\u4e00\u6b21\u6027\u83b7\u53d6\u591a\u4e2a\u952e\u5bf9\u5e94\u7684\u503c： <\/p>\n
\/\/ \u6279\u91cf\u83b7\u53d6
\nMap<String, String> values = client.getMulti(new String[]{"key1", "key3", "key4"});<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d，\u6211\u4eec\u901a\u8fc7getMulti\u65b9\u6cd5\u5e76\u4f20\u5165\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u952e\u7684\u6570\u7ec4\u6765\u6279\u91cf\u83b7\u53d6\u8fd9\u4e9b\u952e\u5bf9\u5e94\u7684\u503c\u3002 <\/p>\n
Memcached\u4e2d\u7684\u6570\u636e\u53ef\u4ee5\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4，\u8fd9\u6837\u53ef\u4ee5\u5728\u6570\u636e\u4e0d\u518d\u9700\u8981\u65f6\u81ea\u52a8\u5220\u9664，\u4fdd\u6301\u7f13\u5b58\u7684\u6570\u636e\u662f\u6700\u65b0\u7684\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b，\u5982\u679c\u8bbe\u7f6e\u7684\u8fc7\u671f\u65f6\u95f4\u662f0，\u6570\u636e\u5c06\u6c38\u4e0d\u8fc7\u671f\u3002 <\/p>\n
\u4e0b\u9762\u662f\u8bbe\u7f6e\u4e0d\u540c\u8fc7\u671f\u65f6\u95f4\u7684\u793a\u4f8b： <\/p>\n
\/\/ \u8bbe\u7f6e\u6570\u636e30\u79d2\u540e\u8fc7\u671f
\nclient.set("key5", "value5", 30);<\/p>\n
\/\/ \u8bbe\u7f6e\u6570\u636e1\u5206\u949f\u540e\u8fc7\u671f
\nclient.set("key6", "value6", 60);<\/p>\n
\u867d\u7136Memcached\u662f\u5185\u5b58\u4e2d\u7684\u7f13\u5b58\u7cfb\u7edf，\u56e0\u6b64\u4e0d\u5177\u5907\u6301\u4e45\u5316\u5b58\u50a8\u7684\u80fd\u529b，\u4f46\u5982\u679c\u9700\u8981\u6301\u4e45\u5316\u529f\u80fd，\u9700\u8981\u8003\u8651\u7ed3\u5408\u5176\u4ed6\u5b58\u50a8\u65b9\u6848，\u6bd4\u5982\u5b9a\u671f\u5c06\u6570\u636e\u5199\u5165\u5230\u6570\u636e\u5e93\u4e2d\u3002 <\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d，\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u5408\u7406\u7684\u8fc7\u671f\u65f6\u95f4，\u4ee5\u53ca\u7ed3\u5408\u6301\u4e45\u5316\u5b58\u50a8\u7b56\u7565\u6765\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u9760\u6027\u548c\u4e00\u81f4\u6027\u3002 <\/p>\n
\u5728\u6df1\u5165\u7406\u89e3\u4e86Memcached\u7684\u5b89\u88c5\u3001\u914d\u7f6e\u4ee5\u53ca\u5ba2\u6237\u7aef\u4f7f\u7528\u4e4b\u540e，\u6211\u4eec\u5df2\u7ecf\u5177\u5907\u4e86\u5c06Memcached\u6709\u6548\u5730\u96c6\u6210\u5230\u6211\u4eec\u7684\u5e94\u7528\u4e2d\u7684\u80fd\u529b\u3002\u4f46\u662f\u4e3a\u4e86\u786e\u4fdd\u7f13\u5b58\u7cfb\u7edf\u7a33\u5b9a\u9ad8\u6548\u5730\u8fd0\u884c，\u6211\u4eec\u9700\u8981\u638c\u63e1\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5，\u8fd9\u5305\u62ec\u89e3\u51b3\u5728\u5b9e\u8df5\u4e2d\u53ef\u80fd\u9047\u5230\u7684\u5e38\u89c1\u95ee\u9898，\u6027\u80fd\u76d1\u63a7，\u65e5\u5fd7\u5206\u6790，\u4ee5\u53ca\u4e0e\u5176\u4ed6\u7f13\u5b58\u65b9\u6848\u7684\u6bd4\u8f83\u3002 <\/p>\n
\u968f\u7740\u7f13\u5b58\u6570\u636e\u7684\u4e0d\u65ad\u589e\u957f，Memcached\u53ef\u80fd\u4f1a\u9047\u5230\u5185\u5b58\u6ea2\u51fa\u7684\u95ee\u9898\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\u7684\u53d1\u751f，\u53ef\u4ee5\u901a\u8fc7\u5408\u7406\u914d\u7f6e\u6700\u5927\u5185\u5b58（-m \u53c2\u6570）\u4ee5\u53ca\u6dd8\u6c70\u7b56\u7565（-M \u53c2\u6570）\u6765\u63a7\u5236\u3002 <\/p>\n
\u5728\u6570\u636e\u4e00\u81f4\u6027\u65b9\u9762，\u7531\u4e8eMemcached\u672c\u8eab\u662f\u5206\u5e03\u5f0f\u7f13\u5b58，\u4e0d\u4fdd\u8bc1\u6570\u636e\u7684\u6301\u4e45\u6027\u3002\u56e0\u6b64，\u5728\u66f4\u65b0\u6570\u636e\u65f6，\u4f60\u9700\u8981\u4f7f\u7528\u4e00\u4e9b\u7b56\u7565，\u4f8b\u5982\u8bbe\u7f6e\u5408\u7406\u7684\u8fc7\u671f\u65f6\u95f4（TTL），\u6216\u662f\u5728\u6570\u636e\u53d8\u66f4\u65f6\u5220\u9664\u76f8\u5173\u7684\u7f13\u5b58\u9879\u3002 <\/p>\n
Memcached\u7684\u96c6\u7fa4\u90e8\u7f72\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u8282\u70b9\u6765\u63d0\u9ad8\u7f13\u5b58\u7684\u53ef\u7528\u6027\u548c\u5bb9\u91cf\u3002\u6545\u969c\u8f6c\u79fb\u7b56\u7565\u662f\u96c6\u7fa4\u90e8\u7f72\u4e2d\u5fc5\u987b\u8003\u8651\u7684，\u53ef\u4ee5\u901a\u8fc7\u5ba2\u6237\u7aef\u5b9e\u73b0\u6545\u969c\u8282\u70b9\u7684\u81ea\u52a8\u611f\u77e5\u548c\u5207\u6362，\u6216\u8005\u4f7f\u7528\u4e13\u95e8\u7684\u4ee3\u7406\u8f6f\u4ef6\u6765\u7ba1\u7406\u8282\u70b9\u6545\u969c\u8f6c\u79fb\u3002 <\/p>\n
\u5728\u96c6\u7fa4\u914d\u7f6e\u4e2d，\u5408\u7406\u7684\u8282\u70b9\u6570\u91cf\u548c\u5206\u5e03\u7b56\u7565\u5bf9\u4e8e\u8d1f\u8f7d\u5747\u8861\u548c\u7cfb\u7edf\u7a33\u5b9a\u81f3\u5173\u91cd\u8981\u3002\u901a\u5e38\u91c7\u7528\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u6765\u5206\u914d\u6570\u636e\u5230\u4e0d\u540c\u7684\u8282\u70b9，\u51cf\u5c11\u56e0\u8282\u70b9\u589e\u51cf\u5bfc\u81f4\u7684\u5927\u89c4\u6a21\u6570\u636e\u8fc1\u79fb\u3002 <\/p>\n
\u5728\u751f\u4ea7\u73af\u5883\u4e2d，\u6027\u80fd\u76d1\u63a7\u662f\u786e\u4fddMemcached\u9ad8\u6548\u8fd0\u884c\u7684\u5173\u952e\u3002\u76d1\u63a7\u6307\u6807\u53ef\u4ee5\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e： <\/p>\n
\u8fd9\u4e9b\u6307\u6807\u53ef\u4ee5\u901a\u8fc7\u5185\u7f6e\u7684\u7edf\u8ba1\u547d\u4ee4 stats \u83b7\u5f97，\u4e5f\u53ef\u4ee5\u96c6\u6210\u5916\u90e8\u76d1\u63a7\u5de5\u5177\u5982Prometheus\u548cGrafana\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\u3002 <\/p>\n
Memcached\u7684\u65e5\u5fd7\u8bb0\u5f55\u4e86\u5404\u79cd\u4e8b\u4ef6\u548c\u9519\u8bef\u4fe1\u606f，\u5408\u7406\u5730\u5206\u6790\u8fd9\u4e9b\u65e5\u5fd7\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8bca\u65ad\u95ee\u9898\u3002\u5e38\u7528\u7684\u5de5\u5177\u5305\u62ec memtier_benchmark ，\u53ef\u4ee5\u7528\u6765\u6a21\u62df\u8d1f\u8f7d\u5e76\u8bb0\u5f55\u64cd\u4f5c\u65e5\u5fd7，\u4ee5\u53ca\u4f7f\u7528\u65e5\u5fd7\u5206\u6790\u5de5\u5177\u5982ELK（Elasticsearch, Logstash, Kibana）\u5806\u6808\u6765\u5206\u6790\u548c\u53ef\u89c6\u5316\u65e5\u5fd7\u6570\u636e\u3002 <\/p>\n
\u5728\u5206\u6790\u65e5\u5fd7\u65f6，\u5e94\u8be5\u5173\u6ce8\u5982\u4e0b\u7684\u5173\u952e\u4fe1\u606f： <\/p>\n
Memcached\u548cRedis\u662f\u76ee\u524d\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e24\u79cd\u7f13\u5b58\u7cfb\u7edf\u3002\u5b83\u4eec\u4e4b\u95f4\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b： <\/p>\n
| \u7279\u6027 | Memcached | Redis | |———–|———————|———————-| | \u6570\u636e\u7c7b\u578b | \u4ec5\u652f\u6301\u7b80\u5355\u7684key-value| \u652f\u6301string, hash, list, set, sorted set\u7b49 | | \u6301\u4e45\u6027 | \u4e0d\u652f\u6301 | \u652f\u6301\u6570\u636e\u6301\u4e45\u5316\u5230\u78c1\u76d8 | | \u4e8b\u52a1\u6027 | \u4e0d\u652f\u6301 | \u652f\u6301 | | \u6570\u636e\u8fc7\u671f | \u652f\u6301 | \u652f\u6301 | | \u5185\u5b58\u7ba1\u7406 | LRU\u6dd8\u6c70\u7b56\u7565 | \u53ef\u4ee5\u914d\u7f6e\u4e0d\u540c\u7684\u6dd8\u6c70\u7b56\u7565 | <\/p>\n
\u4ece\u4e0a\u8868\u53ef\u4ee5\u770b\u51fa，Redis\u63d0\u4f9b\u4e86\u6bd4Memcached\u66f4\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u548c\u64cd\u4f5c，\u540c\u65f6\u652f\u6301\u6570\u636e\u7684\u6301\u4e45\u5316，\u9002\u5408\u9700\u8981\u590d\u6742\u6570\u636e\u7ed3\u6784\u548c\u6301\u4e45\u5316\u9700\u6c42\u7684\u5e94\u7528\u573a\u666f\u3002\u7136\u800c，\u5982\u679c\u4f60\u7684\u5e94\u7528\u4ec5\u9700\u8981\u4e00\u4e2a\u5feb\u901f\u7684\u952e\u503c\u5b58\u50a8，Memcached\u53ef\u80fd\u662f\u66f4\u8f7b\u91cf\u7ea7\u7684\u9009\u62e9\u3002 <\/p>\n
Ehcache\u662f\u4e00\u4e2a\u7eafJava\u5b9e\u73b0\u7684\u672c\u5730\u7f13\u5b58\u89e3\u51b3\u65b9\u6848，\u548cMemcached\u76f8\u6bd4，\u5b83\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u4e0d\u540c\u4e4b\u5904： <\/p>\n
| \u7279\u6027 | Memcached | Ehcache | |———–|———————|———————-| | \u7f13\u5b58\u4f4d\u7f6e | \u5206\u5e03\u5f0f\u7f13\u5b58 | \u672c\u5730\u7f13\u5b58\u6216\u5206\u5e03\u5f0f\u7f13\u5b58 | | \u6570\u636e\u6301\u4e45\u5316 | \u4e0d\u652f\u6301 | \u652f\u6301\u6587\u4ef6\u6216\u6570\u636e\u5e93\u5b58\u50a8 | | \u5e73\u53f0\u652f\u6301 | \u8de8\u5e73\u53f0 | \u4ec5\u9650Java\u73af\u5883 | | \u6570\u636e\u8fc7\u671f | \u652f\u6301 | \u652f\u6301 | <\/p>\n
Ehcache\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u7684\u672c\u5730\u7f13\u5b58\u80fd\u529b，\u5bf9\u4e8e\u5355\u4e2aJVM\u8fdb\u7a0b\u7684\u5e94\u7528\u6027\u80fd\u63d0\u5347\u975e\u5e38\u660e\u663e\u3002\u540c\u65f6，Ehcache\u7684\u6570\u636e\u6301\u4e45\u5316\u80fd\u529b\u4e5f\u4f7f\u5f97\u5b83\u53ef\u4ee5\u7528\u4e8e\u6301\u4e45\u5316\u7f13\u5b58\u6570\u636e\u3002\u7136\u800c，Ehcache\u4e0d\u652f\u6301\u8de8JVM\u7684\u5206\u5e03\u5f0f\u7f13\u5b58，\u800c\u8fd9\u4e00\u70b9\u6b63\u662fMemcached\u7684\u5f3a\u9879\u3002 <\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u5bf9\u6bd4，\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4e0d\u540c\u7684\u7f13\u5b58\u89e3\u51b3\u65b9\u6848\u6709\u5176\u5404\u81ea\u7684\u7279\u70b9\u548c\u4f18\u52bf，\u9009\u62e9\u54ea\u4e00\u79cd\u4e3b\u8981\u53d6\u51b3\u4e8e\u5b9e\u9645\u7684\u5e94\u7528\u9700\u6c42\u548c\u573a\u666f\u3002\u5728\u51b3\u5b9a\u4f7f\u7528Memcached\u65f6，\u6211\u4eec\u9700\u8981\u6839\u636e\u5b9e\u9645\u7684\u9700\u6c42\u6765\u6743\u8861\u5176\u4f18\u7f3a\u70b9，\u5e76\u7ed3\u5408\u6700\u4f73\u5b9e\u8df5\u6765\u786e\u4fdd\u5e94\u7528\u7684\u9ad8\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002 <\/p>\n
\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p>\n
\u7b80\u4ecb：\u672c\u6587\u63d0\u4f9b\u5728Java\u73af\u5883\u4e0b\u5b89\u88c5Memcached\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6b65\u9aa4，\u5e76\u4ecb\u7ecd\u5982\u4f55\u5728\u9879\u76ee\u4e2d\u5e94\u7528\u6700\u65b0\u7684Java\u5ba2\u6237\u7aefjar\u5305，\u5305\u62ecspymemcached\u548cxmemcached\u3002Memcached\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf，\u80fd\u591f\u901a\u8fc7\u51cf\u8f7b\u6570\u636e\u5e93\u8d1f\u8f7d\u6765\u63d0\u5347Web\u5e94\u7528\u6027\u80fd\u3002\u6587\u7ae0\u8fd8\u4f1a\u6d89\u53caMemcached\u7684\u57fa\u7840\u77e5\u8bc6\u3001\u5ba2\u6237\u7aef\u4f7f\u7528\u793a\u4f8b\u4ee5\u53ca\u6700\u4f73\u5b9e\u8df5，\u65e8\u5728\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1\u9ad8\u6548\u4f7f\u7528Memcached\u7684\u6280\u5de7\u3002 <\/p>\n
\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e18\u6b21\uff0c\u6536\u85cf12\u6b21\u3002\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90\uff0c\u70b9\u51fb\u83b7\u53d6 \u7b80\u4ecb\uff1a\u672c\u6587\u63d0\u4f9b\u5728Java\u73af\u5883\u4e0b\u5b89\u88c5Memcached\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u6b65\u9aa4\uff0c\u5e76\u4ecb\u7ecd\u5982\u4f55\u5728\u9879\u76ee\u4e2d\u5e94\u7528\u6700\u65b0\u7684Java\u5ba2\u6237\u7aefjar\u5305\uff0c\u5305\u62ecspymemcached\u548cxmemcached\u3002Memcached\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf\uff0c\u80fd\u591f\u901a\u8fc7\u51cf\u8f7b\u6570\u636e\u5e93\u8d1f\u8f7d\u6765\u63d0\u5347Web\u5e94\u7528\u6027\u80fd\u3002\u6587\u7ae0\u8fd8\u4f1a\u6d89\u53caMemcached\u7684\u57fa\u7840\u77e5\u8bc6\u3001\u5ba2\u6237\u7aef\u4f7f\u7528\u793a\u4f8b\u4ee5\u53ca\u6700\u4f73\u5b9e\u8df5…_memcached\u5b98\u65b9jar\u5305\u3011<\/p>\n","protected":false},"author":2,"featured_media":28201,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-28203","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server"],"yoast_head":"\n