{"id":1535,"date":"2018-07-23T16:35:00","date_gmt":"2018-07-23T08:35:00","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1535"},"modified":"2018-07-23T16:35:00","modified_gmt":"2018-07-23T08:35:00","slug":"memcached%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1535","title":{"rendered":"Memcached\u7b80\u4ecb"},"content":{"rendered":"<h1 class=\"postTitle\"><a id=\"cb_post_title_url\" class=\"postTitle2\" href=\"https:\/\/www.cnblogs.com\/loveis715\/p\/4681643.html\">Memcached\u7b80\u4ecb<\/a><\/h1>\n<div class=\"clear\"><\/div>\n<div class=\"postBody\">\n<div id=\"cnblogs_post_body\" 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decoding=\"async\" src=\"https:\/\/images0.cnblogs.com\/blog2015\/126867\/201507\/272355517506117.png\" alt=\"\" \/><\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u7528\u6237\u9700\u8981\u901a\u8fc7\u4e00\u4e2aMemcached\u5ba2\u6237\u7aef\u6765\u5b8c\u6210\u5bf9\u7f13\u5b58\u670d\u52a1\u6240\u8bb0\u5f55\u4fe1\u606f\u7684\u8bbf\u95ee\u3002\u8be5\u5ba2\u6237\u7aef\u77e5\u9053\u670d\u52a1\u7aef\u7f13\u5b58\u7cfb\u7edf\u4e2d\u6240\u5305\u542b\u7684\u6240\u6709Memcached\u670d\u52a1\u5b9e\u4f8b\u3002\u5728\u9700\u8981\u8bbf\u95ee\u5177\u6709\u7279\u5b9a\u952e\u503c\u7684\u6570\u636e\u65f6\uff0c\u8be5\u5ba2\u6237\u7aef\u5185\u90e8\u4f1a\u6839\u636e\u6240\u9700\u8981\u8bfb\u53d6\u7684\u6570\u636e\u7684\u952e\u503c\uff0c\u5982\u201cfoo\u201d\uff0c\u4ee5\u53ca\u5f53\u524dMemcached\u7f13\u5b58\u670d\u52a1\u7684\u914d\u7f6e\u6765\u8ba1\u7b97\u76f8\u5e94\u7684\u54c8\u5e0c\u503c\uff0c\u4ee5\u51b3\u5b9a\u5230\u5e95\u662f\u54ea\u4e2aMemcached\u5b9e\u4f8b\u8bb0\u5f55\u4e86\u7528\u6237\u6240\u9700\u8981\u8bbf\u95ee\u7684\u4fe1\u606f\u3002\u5728\u51b3\u5b9a\u8bb0\u5f55\u4e86\u6240\u9700\u8981\u4fe1\u606f\u7684Memcached\u5b9e\u4f8b\u4e4b\u540e\uff0cMemcached\u5ba2\u6237\u7aef\u5c06\u4ece\u914d\u7f6e\u4e2d\u8bfb\u53d6\u8be5Memcached\u670d\u52a1\u5b9e\u4f8b\u6240\u5728\u5730\u5740\uff0c\u5e76\u5411\u8be5Memcached\u5b9e\u4f8b\u53d1\u9001\u6570\u636e\u8bbf\u95ee\u8bf7\u6c42\uff0c\u4ee5\u4ece\u8be5Memcached\u5b9e\u4f8b\u4e2d\u8bfb\u53d6\u5177\u6709\u952e\u503c\u201cfoo\u201d\u7684\u4fe1\u606f\u3002\u5728\u5404\u4e2a\u8bba\u575b\u7684\u8ba8\u8bba\u4e2d\uff0c\u8fd9\u88ab\u79f0\u4e3a\u662fMemcached\u7684\u4e24\u9636\u6bb5\u54c8\u5e0c\uff08Two-stage hash\uff09\u3002<\/p>\n<p>\u800c\u5bf9\u6570\u636e\u7684\u8bb0\u5f55\u4e5f\u4f7f\u7528\u4e86\u7c7b\u4f3c\u7684\u6d41\u7a0b\uff1a\u5047\u8bbe\u7528\u6237\u5e0c\u671b\u901a\u8fc7\u670d\u52a1\u7aef\u7f13\u5b58\u8bb0\u5f55\u6570\u636e\u201cbar\u201d\uff0c\u5e76\u4e3a\u5176\u6307\u5b9a\u952e\u503c\u201cfoo\u201d\u3002\u90a3\u4e48Memcached\u5ba2\u6237\u7aef\u5c06\u9996\u5148\u5bf9\u7528\u6237\u6240\u8d4b\u4e88\u7684\u952e\u503c\u201cfoo\u201d\u53ca\u5f53\u524d\u670d\u52a1\u7aef\u7f13\u5b58\u6240\u8bb0\u5f55\u7684\u53ef\u7528\u670d\u52a1\u5b9e\u4f8b\u4e2a\u6570\u6267\u884c\u54c8\u5e0c\u8ba1\u7b97\uff0c\u5e76\u6839\u636e\u54c8\u5e0c\u8ba1\u7b97\u7ed3\u679c\u6765\u51b3\u5b9a\u5b58\u50a8\u8be5\u6570\u636e\u7684Memcached\u670d\u52a1\u5b9e\u4f8b\u3002\u63a5\u4e0b\u6765\uff0c\u5ba2\u6237\u7aef\u5c31\u4f1a\u5411\u8be5\u5b9e\u4f8b\u53d1\u9001\u8bf7\u6c42\uff0c\u4ee5\u5728\u5176\u4e2d\u8bb0\u5f55\u5177\u6709\u952e\u503c\u201cfoo\u201d\u7684\u6570\u636e\u201cbar\u201d\u3002<\/p>\n<p>\u8fd9\u6837\u505a\u7684\u597d\u5904\u5219\u5728\u4e8e\uff0c\u6bcf\u4e2aMemcached\u670d\u52a1\u5b9e\u4f8b\u90fd\u662f\u72ec\u7acb\u7684\uff0c\u800c\u5f7c\u6b64\u4e4b\u95f4\u5e76\u6ca1\u6709\u4efb\u4f55\u4ea4\u4e92\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u7701\u7565\u5f88\u591a\u590d\u6742\u7684\u529f\u80fd\u903b\u8f91\uff0c\u5982\u5404\u4e2a\u8282\u70b9\u4e4b\u95f4\u7684\u6570\u636e\u540c\u6b65\u4ee5\u53ca\u7ed3\u70b9\u4e4b\u95f4\u6d88\u606f\u7684\u5e7f\u64ad\u7b49\u7b49\u3002\u8fd9\u79cd\u8f7b\u91cf\u7ea7\u7684\u67b6\u6784\u53ef\u4ee5\u7b80\u5316\u5f88\u591a\u64cd\u4f5c\u3002\u5982\u5728\u4e00\u4e2a\u8282\u70b9\u5931\u6548\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4ec5\u4ec5\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u65b0\u7684Memcached\u8282\u70b9\u66ff\u4ee3\u8001\u8282\u70b9\u5373\u53ef\u3002\u800c\u5728\u5bf9\u7f13\u5b58\u8fdb\u884c\u6269\u5bb9\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4e5f\u53ea\u9700\u8981\u6dfb\u52a0\u989d\u5916\u7684\u670d\u52a1\u5e76\u4fee\u6539\u5ba2\u6237\u7aef\u914d\u7f6e\u3002<\/p>\n<p>\u8fd9\u4e9b\u8bb0\u5f55\u5728\u670d\u52a1\u7aef\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u662f\u5168\u5c40\u53ef\u89c1\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u65e6\u5728Memcached\u670d\u52a1\u7aef\u7f13\u5b58\u4e2d\u6210\u529f\u6dfb\u52a0\u4e86\u4e00\u6761\u65b0\u7684\u8bb0\u5f55\uff0c\u90a3\u4e48\u5176\u5b83\u4f7f\u7528\u8be5\u7f13\u5b58\u670d\u52a1\u7684\u5e94\u7528\u5b9e\u4f8b\u5c06\u540c\u6837\u53ef\u4ee5\u8bbf\u95ee\u8be5\u8bb0\u5f55\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images0.cnblogs.com\/blog2015\/126867\/201507\/272356387506025.png\" alt=\"\" \/><\/p>\n<p>\u5728Memcached\u4e2d\uff0c\u6bcf\u6761\u8bb0\u5f55\u90fd\u7531\u56db\u90e8\u5206\u7ec4\u6210\uff1a\u8bb0\u5f55\u7684\u952e\uff0c\u6709\u6548\u671f\uff0c\u4e00\u7cfb\u5217\u53ef\u9009\u7684\u6807\u8bb0\u4ee5\u53ca\u8868\u793a\u8bb0\u5f55\u5185\u5bb9\u7684\u6570\u636e\u3002\u7531\u4e8e\u8bb0\u5f55\u5185\u5bb9\u7684\u6570\u636e\u4e2d\u5e76\u4e0d\u5305\u542b\u4efb\u4f55\u6570\u636e\u7ed3\u6784\uff0c\u56e0\u6b64\u6211\u4eec\u5728Memcached\u4e2d\u6240\u8bb0\u5f55\u7684\u6570\u636e\u9700\u8981\u662f\u7ecf\u8fc7\u5e8f\u5217\u5316\u4e4b\u540e\u7684\u8868\u793a\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u5185\u5b58\u7ba1\u7406<\/strong><\/p>\n<p>\u5728\u4f7f\u7528\u7f13\u5b58\u65f6\uff0c\u6211\u4eec\u4e0d\u5f97\u4e0d\u8003\u8651\u7684\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\u5982\u4f55\u5bf9\u8fd9\u4e9b\u7f13\u5b58\u6570\u636e\u7684\u751f\u5b58\u671f\u8fdb\u884c\u7ba1\u7406\u3002\u8fd9\u5176\u4e2d\u5305\u62ec\u5982\u4f55\u4f7f\u4e00\u4e2a\u8bb0\u5f55\u5728\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u8fc7\u671f\uff0c\u5982\u4f55\u5728\u7f13\u5b58\u7a7a\u95f4\u4e0d\u591f\u65f6\u6267\u884c\u6570\u636e\u7684\u66ff\u6362\u7b49\u3002\u56e0\u6b64\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u5bf9Memcached\u7684\u5185\u5b58\u7ba1\u7406\u673a\u5236\u8fdb\u884c\u4ecb\u7ecd\u3002<\/p>\n<p>\u9996\u5148\u6211\u4eec\u6765\u770b\u4e00\u770bMemcached\u7684\u5185\u5b58\u7ba1\u7406\u6a21\u578b\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u4e00\u4e2a\u5185\u5b58\u7ba1\u7406\u7b97\u6cd5\u6240\u6700\u9700\u8981\u8003\u8651\u7684\u95ee\u9898\u5c31\u662f\u5185\u5b58\u7684\u788e\u7247\u5316\uff08Fragmentation\uff09\uff1a\u5728\u957f\u65f6\u95f4\u5730\u5206\u914d\u53ca\u56de\u6536\u4e4b\u540e\uff0c\u88ab\u7cfb\u7edf\u6240\u4f7f\u7528\u7684\u5185\u5b58\u5c06\u8d8b\u5411\u4e8e\u6563\u843d\u5728\u4e0d\u8fde\u7eed\u7684\u7a7a\u95f4\u4e2d\u3002\u8fd9\u4f7f\u5f97\u7cfb\u7edf\u5f88\u96be\u627e\u5230\u8fde\u7eed\u5185\u5b58\u7a7a\u95f4\uff0c\u4e00\u65b9\u9762\u589e\u5927\u4e86\u5185\u5b58\u5206\u914d\u5931\u8d25\u7684\u6982\u7387\uff0c\u53e6\u4e00\u65b9\u9762\u4e5f\u4f7f\u5f97\u5185\u5b58\u5206\u914d\u5de5\u4f5c\u53d8\u5f97\u66f4\u4e3a\u590d\u6742\uff0c\u964d\u4f4e\u4e86\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cMemcached\u4f7f\u7528\u4e86\u4e00\u79cd\u53ebSlab\u7684\u7ed3\u6784\u3002\u5728\u8be5\u5206\u914d\u7b97\u6cd5\u4e2d\uff0c\u5185\u5b58\u5c06\u6309\u71671MB\u7684\u5927\u5c0f\u5212\u5206\u4e3a\u9875\uff0c\u800c\u8be5\u9875\u5185\u5b58\u5219\u4f1a\u7ee7\u7eed\u88ab\u5206\u5272\u4e3a\u4e00\u7cfb\u5217\u5177\u6709\u76f8\u540c\u5927\u5c0f\u7684\u5185\u5b58\u5757\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images0.cnblogs.com\/blog2015\/126867\/201507\/272357235313577.png\" alt=\"\" \/><\/p>\n<p>\u56e0\u6b64Memcached\u5e76\u4e0d\u662f\u76f4\u63a5\u6839\u636e\u9700\u8981\u8bb0\u5f55\u7684\u6570\u636e\u7684\u5927\u5c0f\u6765\u76f4\u63a5\u5206\u914d\u76f8\u5e94\u5927\u5c0f\u7684\u5185\u5b58\u3002\u5728\u4e00\u6761\u65b0\u7684\u8bb0\u5f55\u5230\u6765\u65f6\uff0cMemcached\u4f1a\u9996\u5148\u68c0\u67e5\u8be5\u8bb0\u5f55\u7684\u5927\u5c0f\uff0c\u5e76\u6839\u636e\u8bb0\u5f55\u7684\u5927\u5c0f\u9009\u62e9\u8bb0\u5f55\u6240\u9700\u8981\u5b58\u50a8\u5230\u7684Slab\u7c7b\u578b\u3002\u63a5\u4e0b\u6765\uff0cMemcached\u5c31\u4f1a\u68c0\u67e5\u5176\u5185\u90e8\u6240\u5305\u542b\u7684\u8be5\u7c7b\u578bSlab\u3002\u5982\u679c\u8fd9\u4e9bSlab\u4e2d\u6709\u7a7a\u4f59\u7684\u5757\uff0c\u90a3\u4e48Memcached\u5c31\u4f1a\u4f7f\u7528\u8be5\u5757\u8bb0\u5f55\u8be5\u6761\u4fe1\u606f\u3002\u5982\u679c\u5df2\u7ecf\u6ca1\u6709Slab\u62e5\u6709\u7a7a\u95f2\u7684\u5177\u6709\u5408\u9002\u5927\u5c0f\u7684\u5757\uff0c\u90a3\u4e48Memcached\u5c31\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u9875\uff0c\u5e76\u5c06\u8be5\u9875\u6309\u7167\u76ee\u6807Slab\u7684\u7c7b\u578b\u8fdb\u884c\u5212\u5206\u3002<\/p>\n<p>\u4e00\u4e2a\u9700\u8981\u8003\u8651\u7684\u7279\u6b8a\u60c5\u51b5\u5c31\u662f\u5bf9\u8bb0\u5f55\u7684\u66f4\u65b0\u3002\u5728\u5bf9\u4e00\u4e2a\u8bb0\u5f55\u8fdb\u884c\u66f4\u65b0\u7684\u65f6\u5019\uff0c\u8bb0\u5f55\u7684\u5927\u5c0f\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5176\u6240\u5bf9\u5e94\u7684Slab\u7c7b\u578b\u4e5f\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u56e0\u6b64\u5728\u66f4\u65b0\u65f6\uff0c\u8bb0\u5f55\u5728\u5185\u5b58\u4e2d\u7684\u4f4d\u7f6e\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u53ea\u4e0d\u8fc7\u4ece\u7528\u6237\u7684\u89d2\u5ea6\u6765\u8bf4\uff0c\u8fd9\u5e76\u4e0d\u53ef\u89c1\u3002<\/p>\n<p>Memcached\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u6765\u5206\u914d\u5185\u5b58\u7684\u597d\u5904\u5219\u5728\u4e8e\uff0c\u5176\u53ef\u4ee5\u964d\u4f4e\u7531\u4e8e\u8bb0\u5f55\u7684\u591a\u6b21\u8bfb\u5199\u800c\u5bfc\u81f4\u7684\u788e\u7247\u5316\u3002\u53cd\u8fc7\u6765\uff0c\u7531\u4e8eMemcached\u662f\u6839\u636e\u8bb0\u5f55\u7684\u5927\u5c0f\u9009\u62e9\u9700\u8981\u63d2\u5165\u5230\u7684\u5757\u7c7b\u578b\uff0c\u56e0\u6b64\u4e3a\u6bcf\u4e2a\u8bb0\u5f55\u6240\u5206\u914d\u7684\u5757\u7684\u5927\u5c0f\u5e38\u5e38\u5927\u4e8e\u8be5\u8bb0\u5f55\u6240\u5b9e\u9645\u9700\u8981\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u8fdb\u800c\u9020\u6210\u4e86\u5185\u5b58\u7684\u6d6a\u8d39\u3002\u5f53\u7136\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7Memcached\u7684\u914d\u7f6e\u6587\u4ef6\u6765\u6307\u5b9a\u5404\u4e2a\u5757\u7684\u5927\u5c0f\uff0c\u4ece\u800c\u5c3d\u53ef\u80fd\u5730\u51cf\u5c11\u5185\u5b58\u7684\u6d6a\u8d39\u3002<\/p>\n<p>\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7531\u4e8e\u9ed8\u8ba4\u60c5\u51b5\u4e0bMemcached\u4e2d\u6bcf\u9875\u7684\u5927\u5c0f\u4e3a1MB\uff0c\u56e0\u6b64\u5176\u5355\u4e2a\u5757\u6700\u5927\u4e3a1MB\u3002\u9664\u6b64\u4e4b\u5916\uff0cMemcached\u8fd8\u9650\u5236\u6bcf\u4e2a\u6570\u636e\u6240\u5bf9\u5e94\u7684\u952e\u7684\u957f\u5ea6\u4e0d\u80fd\u8d85\u8fc7250\u4e2a\u5b57\u8282\u3002<\/p>\n<p>\u4e00\u822c\u6765\u8bf4\uff0cSlab\u4e2d\u5404\u4e2a\u5757\u7684\u5927\u5c0f\u4ee5\u53ca\u5757\u5927\u5c0f\u7684\u9012\u589e\u500d\u6570\u53ef\u80fd\u4f1a\u5bf9\u8bb0\u5f55\u6240\u8f7d\u4f4d\u7f6e\u7684\u9009\u62e9\u53ca\u5185\u5b58\u5229\u7528\u7387\u6709\u5f88\u5927\u7684\u5f71\u54cd\u3002\u4f8b\u5982\u5728\u5f53\u524d\u7684\u5b9e\u73b0\u4e0b\uff0c\u5404\u4e2aSlab\u4e2d\u5757\u7684\u5927\u5c0f\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u6309\u71671.25\u500d\u7684\u65b9\u5f0f\u6765\u9012\u589e\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u4e00\u4e2aMemcached\u5b9e\u4f8b\u4e2d\uff0c\u67d0\u79cd\u7c7b\u578bSlab\u6240\u63d0\u4f9b\u7684\u5757\u7684\u5927\u5c0f\u662f80K\uff0c\u800c\u63d0\u4f9b\u7a0d\u5927\u4e00\u70b9\u7a7a\u95f4\u7684Slab\u7c7b\u578b\u6240\u63d0\u4f9b\u7684\u5757\u7684\u5927\u5c0f\u5c31\u5c06\u662f100K\u3002\u5982\u679c\u73b0\u5728\u6211\u4eec\u9700\u8981\u63d2\u5165\u4e00\u676181K\u7684\u8bb0\u5f55\uff0c\u90a3\u4e48Memcached\u5c31\u4f1a\u9009\u62e9\u5177\u6709100K\u5757\u5927\u5c0f\u7684Slab\uff0c\u5e76\u5c1d\u8bd5\u627e\u5230\u4e00\u4e2a\u5177\u6709\u7a7a\u95f2\u5757\u7684Slab\u4ee5\u5b58\u5165\u8be5\u8bb0\u5f55\u3002<\/p>\n<p>\u540c\u65f6\u60a8\u4e5f\u9700\u8981\u6ce8\u610f\u5230\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u662f100K\u5757\u5927\u5c0f\u7684Slab\u6765\u8bb0\u5f55\u5177\u670981K\u5927\u5c0f\u7684\u6570\u636e\uff0c\u56e0\u6b64\u8bb0\u5f55\u8be5\u6570\u636e\u6240\u5bfc\u81f4\u7684\u5185\u5b58\u6d6a\u8d39\u662f19K\uff0c\u537319%\u7684\u6d6a\u8d39\u3002\u800c\u5728\u9700\u8981\u5b58\u50a8\u7684\u5404\u6761\u8bb0\u5f55\u7684\u5927\u5c0f\u5e73\u5747\u5206\u5e03\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u79cd\u5185\u5b58\u6d6a\u8d39\u7684\u5e45\u5ea6\u4e5f\u57289%\u5de6\u53f3\u3002\u8be5\u5e45\u5ea6\u5b9e\u9645\u4e0a\u53d6\u51b3\u4e8e\u6211\u4eec\u521a\u521a\u63d0\u5230\u7684\u5404\u4e2aSlab\u4e2d\u5757\u5927\u5c0f\u7684\u9012\u589e\u500d\u6570\u3002\u5728Memcached\u7684\u521d\u59cb\u5b9e\u73b0\u4e2d\uff0c\u5404\u4e2aSlab\u5757\u7684\u9012\u589e\u500d\u6570\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f2\uff0c\u800c\u4e0d\u662f\u73b0\u5728\u76841.25\uff0c\u4ece\u800c\u5bfc\u81f4\u4e86\u5e73\u574725%\u5de6\u53f3\u7684\u5185\u5b58\u6d6a\u8d39\u3002\u800c\u5728\u4eca\u540e\u7684\u5404\u4e2a\u7248\u672c\u4e2d\uff0c\u8be5\u9012\u589e\u500d\u6570\u53ef\u80fd\u8fd8\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u4ee5\u4f18\u5316Memcached\u7684\u5b9e\u9645\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u4e00\u65e6\u77e5\u9053\u4e86\u60a8\u6240\u9700\u8981\u7f13\u5b58\u7684\u6570\u636e\u7684\u7279\u5f81\uff0c\u5982\u901a\u5e38\u60c5\u51b5\u4e0b\u6570\u636e\u7684\u5927\u5c0f\u4ee5\u53ca\u5404\u4e2a\u6570\u636e\u7684\u5dee\u5f02\u5e45\u5ea6\uff0c\u90a3\u4e48\u60a8\u5c31\u53ef\u4ee5\u6839\u636e\u8fd9\u4e9b\u6570\u636e\u7684\u7279\u5f81\u6765\u8bbe\u7f6e\u4e0a\u9762\u6240\u63d0\u5230\u7684\u5404\u4e2a\u53c2\u6570\u3002\u5982\u679c\u6570\u636e\u5728\u901a\u5e38\u60c5\u51b5\u4e0b\u90fd\u6bd4\u8f83\u5c0f\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u9700\u8981\u5c06\u6700\u5c0f\u5757\u7684\u5927\u5c0f\u8c03\u6574\u5f97\u5c0f\u4e00\u4e9b\u3002\u5982\u679c\u6570\u636e\u7684\u5927\u5c0f\u53d8\u52a8\u4e0d\u662f\u5f88\u5927\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u5c06\u5757\u5927\u5c0f\u7684\u9012\u589e\u500d\u6570\u8bbe\u7f6e\u5f97\u5c0f\u4e00\u4e9b\uff0c\u4ece\u800c\u4f7f\u5f97\u5404\u4e2a\u5757\u7684\u5927\u5c0f\u5c3d\u91cf\u5730\u8d34\u8fd1\u9700\u8981\u5b58\u50a8\u7684\u6570\u636e\uff0c\u4ee5\u63d0\u9ad8\u5185\u5b58\u7684\u5229\u7528\u7387\u3002<\/p>\n<p>\u8fd8\u6709\u4e00\u4e2a\u503c\u5f97\u6ce8\u610f\u7684\u4e8b\u60c5\u5c31\u662f\uff0c\u7531\u4e8eMemcached\u5728\u8ba1\u7b97\u5230\u5e95\u54ea\u4e2a\u670d\u52a1\u5b9e\u4f8b\u8bb0\u5f55\u4e86\u5177\u6709\u7279\u5b9a\u952e\u7684\u6570\u636e\u65f6\u5e76\u4e0d\u4f1a\u8003\u8651\u7528\u6765\u7ec4\u6210\u7f13\u5b58\u7cfb\u7edf\u4e2d\u5404\u4e2a\u670d\u52a1\u5668\u7684\u5dee\u5f02\u6027\u3002\u5982\u679c\u6bcf\u4e2a\u670d\u52a1\u5668\u4e0a\u53ea\u5b89\u88c5\u4e86\u4e00\u4e2aMemcached\u5b9e\u4f8b\uff0c\u90a3\u4e48\u5404\u4e2aMemcached\u5b9e\u4f8b\u6240\u62e5\u6709\u7684\u53ef\u7528\u5185\u5b58\u5c06\u5b58\u5728\u7740\u6570\u500d\u7684\u5dee\u5f02\u3002\u4f46\u662f\u7531\u4e8e\u5404\u4e2a\u5b9e\u4f8b\u88ab\u9009\u4e2d\u7684\u6982\u7387\u57fa\u672c\u76f8\u540c\uff0c\u56e0\u6b64\u5177\u6709\u8f83\u5927\u5185\u5b58\u7684Memcached\u5b9e\u4f8b\u5c06\u65e0\u6cd5\u88ab\u5145\u5206\u5229\u7528\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u5177\u6709\u8f83\u5927\u5185\u5b58\u7684\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u591a\u4e2aMemcached\u5b9e\u4f8b\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images0.cnblogs.com\/blog2015\/126867\/201507\/280004459225892.png\" alt=\"\" \/><\/p>\n<p>\u4f8b\u5982\u4e0a\u56fe\u6240\u5c55\u793a\u7684\u7f13\u5b58\u7cfb\u7edf\u662f\u7531\u4e24\u4e2a\u670d\u52a1\u5668\u7ec4\u6210\u3002\u8fd9\u4e24\u4e2a\u670d\u52a1\u5668\u4e2d\u7684\u5185\u5b58\u5927\u5c0f\u5e76\u4e0d\u76f8\u540c\u3002\u7b2c\u4e00\u4e2a\u670d\u52a1\u5668\u7684\u5185\u5b58\u5927\u5c0f\u4e3a32G\uff0c\u800c\u7b2c\u4e8c\u4e2a\u670d\u52a1\u5668\u7684\u5185\u5b58\u5927\u5c0f\u4ec5\u4ec5\u67098G\u3002\u4e3a\u4e86\u80fd\u591f\u5145\u5206\u5229\u7528\u8fd9\u4e24\u4e2a\u670d\u52a1\u5668\u7684\u5185\u5b58\uff0c\u6211\u4eec\u5728\u5177\u670932G\u5185\u5b58\u7684\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u4e864\u4e2aMemcached\u5b9e\u4f8b\uff0c\u800c\u5728\u53ea\u67098G\u5185\u5b58\u7684\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u4e861\u4e2aMemcached\u5b9e\u4f8b\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c32G\u5185\u5b58\u670d\u52a1\u5668\u4e0a\u76844\u4e2aMemcached\u5b9e\u4f8b\u5c06\u603b\u5171\u5f97\u52304\u500d\u4e8e8G\u670d\u52a1\u5668\u6240\u5f97\u5230\u7684\u8d1f\u8f7d\uff0c\u4ece\u800c\u5145\u5206\u5730\u5229\u7528\u4e8632G\u5185\u5b58\u670d\u52a1\u5668\u4e0a\u7684\u5185\u5b58\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u7531\u4e8e\u7f13\u5b58\u7cfb\u7edf\u62e5\u6709\u6709\u9650\u7684\u8d44\u6e90\uff0c\u56e0\u6b64\u5176\u4f1a\u5728\u67d0\u4e00\u65f6\u523b\u88ab\u670d\u52a1\u6240\u4ea7\u751f\u7684\u6570\u636e\u586b\u6ee1\u3002\u5982\u679c\u6b64\u65f6\u7f13\u5b58\u7cfb\u7edf\u518d\u6b21\u63a5\u6536\u5230\u4e00\u4e2a\u7f13\u5b58\u6570\u636e\u7684\u8bf7\u6c42\uff0c\u90a3\u4e48\u5b83\u5c31\u4f1a\u6839\u636eLRU\uff08Least recently used\uff09\u7b97\u6cd5\u4ee5\u53ca\u6570\u636e\u7684\u8fc7\u671f\u65f6\u95f4\u6765\u51b3\u5b9a\u9700\u8981\u4ece\u7f13\u5b58\u7cfb\u7edf\u4e2d\u79fb\u9664\u7684\u6570\u636e\u3002\u800cMemcached\u6240\u4f7f\u7528\u7684\u8fc7\u671f\u7b97\u6cd5\u6bd4\u8f83\u7279\u6b8a\uff0c\u53c8\u88ab\u79f0\u4e3a\u5ef6\u8fdf\u8fc7\u671f\uff08Lazy expiration\uff09\uff1a\u5f53\u7528\u6237\u4eceMemcached\u5b9e\u4f8b\u4e2d\u8bfb\u53d6\u6570\u636e\u7684\u65f6\u5019\uff0c\u5176\u5c06\u9996\u5148\u901a\u8fc7\u914d\u7f6e\u4e2d\u6240\u8bbe\u7f6e\u7684\u8fc7\u671f\u65f6\u95f4\u6765\u51b3\u5b9a\u8be5\u6570\u636e\u662f\u5426\u8fc7\u671f\u3002\u5982\u679c\u662f\uff0c\u90a3\u4e48\u5728\u4e0b\u4e00\u6b21\u5199\u5165\u6570\u636e\u5374\u6ca1\u6709\u8db3\u591f\u7a7a\u95f4\u7684\u65f6\u5019\uff0cMemcached\u4f1a\u9009\u62e9\u8be5\u8fc7\u671f\u6570\u636e\u6240\u5728\u7684\u5185\u5b58\u5757\u4f5c\u4e3a\u65b0\u6570\u636e\u7684\u76ee\u6807\u5730\u5740\u3002\u5982\u679c\u5728\u5199\u5165\u65f6\u6ca1\u6709\u76f8\u5e94\u7684\u8bb0\u5f55\u88ab\u6807\u8bb0\u4e3a\u8fc7\u671f\uff0c\u90a3\u4e48LRU\u7b97\u6cd5\u624d\u88ab\u6267\u884c\uff0c\u4ece\u800c\u627e\u5230\u6700\u4e45\u6ca1\u6709\u88ab\u4f7f\u7528\u7684\u9700\u8981\u88ab\u66ff\u6362\u7684\u6570\u636e\u3002<\/p>\n<p>\u8fd9\u91cc\u7684LRU\u662f\u5728Slab\u8303\u56f4\u5185\u7684\uff0c\u800c\u4e0d\u662f\u5168\u5c40\u7684\u3002\u5047\u8bbeMemcached\u7f13\u5b58\u7cfb\u7edf\u4e2d\u7684\u6700\u5e38\u7528\u7684\u6570\u636e\u90fd\u5b58\u50a8\u5728100K\u7684\u5757\u4e2d\uff0c\u800c\u8be5\u7cfb\u7edf\u4e2d\u8fd8\u5b58\u5728\u7740\u53e6\u5916\u4e00\u79cd\u7c7b\u578b\u7684Slab\uff0c\u5176\u5757\u5927\u5c0f\u662f300K\uff0c\u4f46\u662f\u5b58\u5728\u4e8e\u5176\u4e2d\u7684\u6570\u636e\u5e76\u4e0d\u5e38\u7528\u3002\u5f53\u9700\u8981\u63d2\u5165\u4e00\u676199K\u7684\u6570\u636e\u800cMemcached\u5df2\u7ecf\u6ca1\u6709\u8db3\u591f\u7684\u5185\u5b58\u518d\u6b21\u5206\u914d\u4e00\u4e2aSlab\u5b9e\u4f8b\u7684\u65f6\u5019\uff0c\u5176\u5e76\u4e0d\u4f1a\u91ca\u653e\u5177\u6709300K\u5757\u5927\u5c0f\u7684Slab\uff0c\u800c\u662f\u5728100K\u5757\u5927\u5c0f\u7684\u5404\u4e2aSlab\u4e2d\u627e\u5230\u9700\u8981\u91ca\u653e\u7684\u5757\uff0c\u5e76\u5c06\u65b0\u6570\u636e\u6dfb\u52a0\u5230\u8be5\u5757\u4e2d\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u9ad8\u53ef\u7528\u6027<\/strong><\/p>\n<p>\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u5e38\u5e38\u5f3a\u8c03\u4e00\u4e2a\u7cfb\u7edf\u9700\u8981\u62e5\u6709\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u53ef\u9760\u6027\u3002\u800c\u5bf9\u4e8e\u4e00\u4e2a\u7ec4\u6210\u800c\u8a00\uff0c\u5176\u9700\u8981\u80fd\u591f\u7a33\u5b9a\u5730\u8fd0\u884c\uff0c\u5e76\u5728\u51fa\u73b0\u5f02\u5e38\u7684\u65f6\u5019\u5c3d\u91cf\u4f7f\u5f97\u5f02\u5e38\u7684\u5f71\u54cd\u9650\u5236\u5728\u67d0\u4e2a\u7279\u5b9a\u7684\u8303\u56f4\u5185\uff0c\u800c\u4e0d\u4f1a\u5bfc\u81f4\u6574\u4e2a\u7cfb\u7edf\u4e0d\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002\u800c\u4e14\u5728\u51fa\u73b0\u5f02\u5e38\u4e4b\u540e\uff0c\u8be5\u7ec4\u6210\u9700\u8981\u80fd\u8f83\u4e3a\u5bb9\u6613\u5730\u6062\u590d\u5230\u6b63\u5e38\u7684\u5de5\u4f5c\u72b6\u6001\u3002<\/p>\n<p>\u90a3\u4e48Memcached\u9700\u8981\u4ec0\u4e48\u6837\u7684\u9ad8\u53ef\u7528\u6027\u5462\uff1f\u5728\u8bb2\u89e3\u8fd9\u4e2a\u95ee\u9898\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u770b\u770b\u5728\u4e00\u4e2a\u5927\u578b\u670d\u52a1\u4e2dMemcached\u6240\u7ec4\u6210\u7684\u670d\u52a1\u7aef\u7f13\u5b58\u662f\u4ec0\u4e48\u6837\u7684\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images0.cnblogs.com\/blog2015\/126867\/201507\/280005423751178.png\" alt=\"\" \/><\/p>\n<p>\u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u4e00\u4e2a\u5927\u578b\u670d\u52a1\u4e2d\uff0c\u7531Memcached\u6240\u7ec4\u6210\u7684\u670d\u52a1\u7aef\u7f13\u5b58\u5b9e\u9645\u4e0a\u662f\u7531\u975e\u5e38\u591a\u7684Memcached\u5b9e\u4f8b\u7ec4\u6210\u7684\u3002\u5728\u524d\u9762\u6211\u4eec\u5df2\u7ecf\u4ecb\u7ecd\u8fc7\uff0cMemcached\u5b9e\u4f8b\u5b9e\u9645\u4e0a\u662f\u5b8c\u5168\u72ec\u7acb\u7684\uff0c\u4e0d\u5b58\u5728Memcached\u5b9e\u4f8b\u4e4b\u95f4\u7684\u76f8\u4e92\u4ea4\u4e92\u3002\u56e0\u6b64\u5728\u5176\u4e2d\u4e00\u4e2a\u53d1\u751f\u4e86\u6545\u969c\u7684\u65f6\u5019\uff0c\u5176\u5b83\u7684\u5404\u4e2aMemcached\u670d\u52a1\u5b9e\u4f8b\u5e76\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\u3002\u5982\u679c\u4e00\u4e2a\u62e5\u6709\u4e8616\u4e2aMemcached\u5b9e\u4f8b\u7684\u670d\u52a1\u7aef\u7f13\u5b58\u7cfb\u7edf\u4e2d\u7684\u4e00\u4e2aMemcached\u5b9e\u4f8b\u53d1\u751f\u4e86\u6545\u969c\uff0c\u90a3\u4e48\u6574\u4e2a\u7cfb\u7edf\u5c06\u8fd8\u670993.75%\u7684\u7f13\u5b58\u5bb9\u91cf\u53ef\u4ee5\u7ee7\u7eed\u5de5\u4f5c\u3002\u867d\u7136\u7f13\u5b58\u5bb9\u91cf\u7684\u51cf\u5c11\u4f1a\u7565\u5fae\u589e\u52a0\u5176\u540e\u7684\u5404\u4e2a\u670d\u52a1\u5b9e\u4f8b\u7684\u538b\u529b\uff0c\u4f46\u662f\u4e00\u4e2a\u5e94\u7528\u6240\u7ecf\u5386\u7684\u8d1f\u8f7d\u6ce2\u52a8\u5e38\u5e38\u6bd4\u8fd9\u4e2a\u5927\u5f97\u591a\uff0c\u56e0\u6b64\u8be5\u670d\u52a1\u5e94\u8be5\u8fd8\u662f\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\u7684\u3002<\/p>\n<p>\u800c\u8fd9\u4e5f\u6070\u6070\u8868\u660e\u4e86Memcached\u6240\u5177\u6709\u7684\u72ec\u7acb\u6027\u7684\u6b63\u786e\u6027\u3002\u7531\u4e8eMemcached\u672c\u8eab\u81f4\u529b\u4e8e\u521b\u5efa\u4e00\u4e2a\u9ad8\u6548\u800c\u4e14\u7b80\u5355\uff0c\u5374\u5177\u6709\u8f83\u5f3a\u6269\u5c55\u6027\u7684\u7f13\u5b58\u7ec4\u4ef6\uff0c\u56e0\u6b64\u5176\u5e76\u6ca1\u6709\u5f3a\u8c03\u6570\u636e\u7684\u5b89\u5168\u6027\u3002\u4e00\u65e6\u5176\u4e2d\u7684\u4e00\u4e2aMemcached\u5b9e\u4f8b\u53d1\u751f\u4e86\u6545\u969c\uff0c\u90a3\u4e48\u6211\u4eec\u8fd8\u53ef\u4ee5\u4ece\u6570\u636e\u5e93\u53ca\u670d\u52a1\u7aef\u518d\u6b21\u8ba1\u7b97\u5f97\u5230\u8be5\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8bb0\u5f55\u5728\u5176\u5b83\u53ef\u7528\u7684Memcached\u5b9e\u4f8b\u4e0a\u3002<\/p>\n<p>\u6211\u60f3\u60a8\u8bfb\u5230\u8fd9\u91cc\u4e00\u5b9a\u4f1a\u60f3\uff1a\u201c\u4e0d\uff0c\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898\uff0c\u90a3\u5c31\u662f\u7531\u4e8eMemcached\u5b9e\u4f8b\u7684\u4e2a\u6570\u53d8\u5316\u4f1a\u5bfc\u81f4\u54c8\u5e0c\u8ba1\u7b97\u7684\u7ed3\u679c\u53d1\u751f\u53d8\u5316\uff0c\u4ece\u800c\u5bfc\u81f4\u6240\u6709\u5bf9\u6570\u636e\u7684\u8bf7\u6c42\u4f1a\u5bfc\u5411\u5230\u4e0d\u6b63\u786e\u7684Memcached\u5b9e\u4f8b\uff0c\u4f7f\u5f97\u7531Memcached\u5b9e\u4f8b\u96c6\u7fa4\u6240\u63d0\u4f9b\u7684\u7f13\u5b58\u670d\u52a1\u5168\u90e8\u5931\u6548\uff0c\u4ece\u800c\u5bfc\u81f4\u6570\u636e\u5e93\u7684\u538b\u529b\u9aa4\u589e\u3002\u201d<\/p>\n<p>\u662f\u7684\uff0c\u8fd9\u4e5f\u662f\u6211\u66fe\u7ecf\u6709\u6240\u987e\u8651\u7684\u5730\u65b9\u3002\u800c\u4e14\u8fd9\u4e0d\u4ec5\u4ec5\u5728\u670d\u52a1\u7aef\u7f13\u5b58\u5931\u6548\u7684\u65f6\u5019\u5b58\u5728\u3002\u53ea\u8981\u670d\u52a1\u7aef\u7f13\u5b58\u4e2dMemcached\u5b9e\u4f8b\u7684\u6570\u91cf\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u90a3\u4e48\u8be5\u95ee\u9898\u5c31\u4f1a\u53d1\u751f\u3002<\/p>\n<p>Memcached\u6240\u4f7f\u7528\u7684\u89e3\u51b3\u65b9\u6cd5\u5c31\u662f<a href=\"https:\/\/en.wikipedia.org\/wiki\/Consistent_hashing\">Consistent Hashing<\/a>\u3002\u5728\u8be5\u7b97\u6cd5\u7684\u5e2e\u52a9\u4e0b\uff0cMemcached\u5b9e\u4f8b\u6570\u91cf\u7684\u53d8\u5316\u5c06\u53ea\u53ef\u80fd\u5bfc\u81f4\u5176\u4e2d\u7684\u4e00\u5c0f\u90e8\u5206\u952e\u7684\u54c8\u5e0c\u503c\u53d1\u751f\u6539\u53d8\u3002\u90a3\u8be5\u7b97\u6cd5\u5230\u5e95\u662f\u600e\u4e48\u8fd0\u884c\u7684\u5462\uff1f<\/p>\n<p>\u9996\u5148\u8bf7\u8003\u8651\u4e00\u4e2a\u5706\uff0c\u5728\u8be5\u5706\u4e0a\u5206\u5e03\u4e86\u591a\u4e2a\u70b9\uff0c\u4ee5\u8868\u793a\u6574\u65700\u52301023\u3002\u8fd9\u4e9b\u6574\u6570\u5e73\u5747\u5206\u5e03\u5728\u6574\u4e2a\u5706\u4e0a\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images0.cnblogs.com\/blog2015\/126867\/201507\/280006319226641.png\" alt=\"\" \/><\/p>\n<p>\u800c\u5728\u4e0a\u56fe\u4e2d\uff0c\u6211\u4eec\u5219\u7a81\u51fa\u5730\u663e\u793a\u4e866\u4e2a\u84dd\u70b9\u3002\u8fd9\u516d\u4e2a\u84dd\u70b9\u57fa\u672c\u4e0a\u5c06\u8be5\u5706\u8fdb\u884c\u4e86\u516d\u7b49\u5206\u3002\u800c\u5b83\u4eec\u6240\u5bf9\u5e94\u7684\u5c31\u662f\u5728\u5f53\u524dMemcached\u7f13\u5b58\u7cfb\u7edf\u4e2d\u6240\u5305\u542b\u7684\u4e09\u4e2aMemcached\u5b9e\u4f8bm1\uff0cm2\u4ee5\u53cam3\u3002\u597d\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5219\u5bf9\u5f53\u524d\u9700\u8981\u5b58\u50a8\u7684\u6570\u636e\u6267\u884c\u54c8\u5e0c\u8ba1\u7b97\uff0c\u5e76\u627e\u5230\u8be5\u54c8\u5e0c\u7ed3\u679c900\u5728\u8be5\u5706\u4e0a\u6240\u5bf9\u5e94\u7684\u70b9\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images0.cnblogs.com\/blog2015\/126867\/201507\/280007104221013.png\" alt=\"\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u8be5\u70b9\u5728\u987a\u65f6\u9488\u8ddd\u79bb\u4e0a\u79bb\u8868\u793a0\u7684\u90a3\u4e2a\u84dd\u70b9\u6700\u8fd1\uff0c\u56e0\u6b64\u8fd9\u4e2a\u5177\u6709\u54c8\u5e0c\u503c900\u7684\u6570\u636e\u5c06\u8bb0\u5f55\u5728Memcached\u5b9e\u4f8bm1\u4e2d\u3002<\/p>\n<p>\u5982\u679c\u5176\u4e2d\u7684\u4e00\u4e2aMemcached\u5b9e\u4f8b\u5931\u6548\u4e86\uff0c\u90a3\u4e48\u9700\u8981\u7531\u8be5\u5b9e\u4f8b\u6240\u8bb0\u5f55\u7684\u6570\u636e\u5c06\u6682\u65f6\u5931\u6548\uff0c\u800c\u5176\u5b83\u5b9e\u4f8b\u6240\u8bb0\u5f55\u7684\u6570\u636e\u4ecd\u7136\u8fd8\u5728\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images0.cnblogs.com\/blog2015\/126867\/201507\/280007386884176.png\" alt=\"\" \/><\/p>\n<p>\u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u5728Memcached\u5b9e\u4f8bm1\u5931\u6548\u7684\u60c5\u51b5\u4e0b\uff0c\u503c\u4e3a900\u7684\u6570\u636e\u5c06\u5931\u6548\uff0c\u800c\u5176\u5b83\u7684\u503c\u4e3a112\u548c750\u7684\u6570\u636e\u5c06\u4ecd\u7136\u8bb0\u5f55\u5728Memcached\u5b9e\u4f8bm2\u53cam3\u4e0a\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u4e2a\u8282\u70b9\u7684\u5931\u6548\u73b0\u5728\u5c06\u53ea\u4f1a\u5bfc\u81f4\u4e00\u90e8\u5206\u6570\u636e\u4e0d\u518d\u5728\u7f13\u5b58\u7cfb\u7edf\u4e2d\u5b58\u5728\uff0c\u800c\u5e76\u6ca1\u6709\u5bfc\u81f4\u5176\u5b83\u5b9e\u4f8b\u4e0a\u6240\u8bb0\u5f55\u7684\u6570\u636e\u7684\u76ee\u6807\u5b9e\u4f8b\u53d1\u751f\u53d8\u5316\u3002<\/p>\n<p>\u4f46\u662f\u6211\u4eec\u8fd8\u4e0d\u5f97\u4e0d\u8003\u8651\u53e6\u4e00\u4e2a\u95ee\u9898\uff0c\u90a3\u5c31\u662f\u5728\u4e00\u4e2a\u670d\u52a1\u7684\u670d\u52a1\u7aef\u7f13\u5b58\u4ec5\u4ec5\u7531\u4e00\u4e2a\u6216\u51e0\u4e2aMemcached\u5b9e\u4f8b\u7ec4\u6210\u7684\u60c5\u51b5\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5176\u4e2d\u4e00\u4e2aMemcached\u5b9e\u4f8b\u5931\u6548\u662f\u8f83\u4e3a\u81f4\u547d\u7684\uff0c\u56e0\u4e3a\u6570\u636e\u5e93\u4ee5\u53ca\u670d\u52a1\u5668\u5b9e\u4f8b\u5c06\u63a5\u6536\u5230\u5927\u91cf\u7684\u9700\u8981\u8fdb\u884c\u590d\u6742\u8ba1\u7b97\u7684\u8bf7\u6c42\uff0c\u5e76\u5c06\u6700\u7ec8\u5bfc\u81f4\u670d\u52a1\u5668\u5b9e\u4f8b\u548c\u6570\u636e\u5e93\u8fc7\u8f7d\u3002\u56e0\u6b64\u5728\u8bbe\u8ba1\u670d\u52a1\u7aef\u7f13\u5b58\u65f6\uff0c\u6211\u4eec\u5e38\u5e38\u91c7\u53d6\u8d85\u51fa\u9700\u6c42\u5bb9\u91cf\u7684\u65b9\u6cd5\u6765\u5b9a\u4e49\u8fd9\u4e9b\u7f13\u5b58\u3002\u4f8b\u5982\u5728\u670d\u52a1\u5b9e\u9645\u9700\u89815\u4e2aMemcached\u7ed3\u70b9\u65f6\u6211\u4eec\u8bbe\u8ba1\u4e00\u4e2a\u5305\u542b6\u4e2a\u8282\u70b9\u7684\u670d\u52a1\u7aef\u7f13\u5b58\u7cfb\u7edf\uff0c\u4ee5\u589e\u52a0\u6574\u4e2a\u7cfb\u7edf\u7684\u5bb9\u9519\u80fd\u529b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u4f7f\u7528<\/strong><strong>Memcached<\/strong><strong>\u642d\u5efa\u7f13\u5b58\u7cfb\u7edf<\/strong><\/p>\n<p>OK\uff0c\u5728\u5bf9Memcached\u5185\u90e8\u8fd0\u884c\u539f\u7406\u4ecb\u7ecd\u5b8c\u6bd5\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u6765\u770b\u770b\u5982\u4f55\u4f7f\u7528Memcached\u4e3a\u60a8\u7684\u670d\u52a1\u642d\u5efa\u7f13\u5b58\u7cfb\u7edf\u3002<\/p>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u4eceMemcached<a href=\"http:\/\/memcached.org\/\">\u5b98\u65b9\u7f51\u7ad9<\/a>\u4e0a\u4e0b\u8f7dMemcached\u7684\u5b89\u88c5\u6587\u4ef6\uff0c\u5e76\u5728\u60a8\u4f5c\u4e3a\u7f13\u5b58\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u4e0a\u8fdb\u884c\u5b89\u88c5\u3002\u5728\u5b89\u88c5\u65f6\uff0c\u60a8\u9700\u8981\u5bf9Memcached\u8fdb\u884c\u9002\u5f53\u5730\u914d\u7f6e\uff0c\u5982\u5176\u6240\u9700\u8981\u4fa6\u542c\u7684\u7aef\u53e3\uff0c\u4e3a\u5176\u6240\u5206\u914d\u7684\u5185\u5b58\u5927\u5c0f\u7b49\u3002\u5728Memcached\u6b63\u786e\u914d\u7f6e\u5e76\u542f\u52a8\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u4e00\u7cfb\u5217\u5ba2\u6237\u7aef\u8f6f\u4ef6\u8bbf\u95ee\u8fd9\u4e9bMemcached\u5b9e\u4f8b\u5e76\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\u4e86\u3002\u7531\u4e8e\u6211\u5e76\u4e0d\u662f\u4e00\u4e2a\u8fd0\u7ef4\u4eba\u5458\uff0c\u56e0\u6b64\u5728\u8fd9\u91cc\u6211\u4eec\u5c06\u4e0d\u518d\u5bf9\u8fd9\u4e9b\u914d\u7f6e\u8fdb\u884c\u8be6\u7ec6\u5730\u4ecb\u7ecd\u3002<\/p>\n<p>\u800c\u6211\u4eec\u8981\u4ecb\u7ecd\u7684\uff0c\u5219\u662f\u5982\u4f55\u7528Memcached\u7684Java\u5ba2\u6237\u7aef\u53bb\u8bfb\u5199\u6570\u636e\u3002 \u800c\u4e00\u4e2a\u8f83\u4e3a\u5e38\u89c1\u7684Memcached\u5ba2\u6237\u7aef\u5219\u662f<a href=\"https:\/\/code.google.com\/p\/spymemcached\/\">SpyMemcached<\/a>\u3002\u5c31\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u770bSpy Memcached\u7684Main\u51fd\u6570\u4e2d\u662f\u5982\u4f55\u5bf9\u5176\u6240\u63d0\u4f9b\u7684\u529f\u80fd\u8fdb\u884c\u4f7f\u7528\u7684\uff1a<\/p>\n<div class=\"cnblogs_code\">\n<div class=\"cnblogs_code_toolbar\"><span class=\"cnblogs_code_copy\"><a title=\"\u590d\u5236\u4ee3\u7801\"><img decoding=\"async\" src=\"http:\/\/common.cnblogs.com\/images\/copycode.gif\" alt=\"\u590d\u5236\u4ee3\u7801\" \/><\/a><\/span><\/div>\n<pre> 1 public static void main(String[] args) throws Exception{\r\n 2     if(args.length &lt; 2){\r\n 3         System.out.println(\"Please specify command line options\");\r\n 4         return;\r\n 5     }\r\n 6 \r\n 7     MemcachedClient memcachedClient = new MemcachedClient(AddrUtil.getAddresses(\"127.0.0.1:11211\"));\r\n 8     if (commandName.equals(\"get\")){\r\n 9         String keyName= args[1];\r\n10         System.out.println(\"Key Name \" + keyName);\r\n11         System.out.println(\"Value of key \" + memcachedClient.get(keyName));\r\n12     } else if(commandName.equals(\"set\")){\r\n13         String keyName =args[1];\r\n14         String value=args[2];\r\n15         System.out.println(\"Key Name \" + keyName + \" value=\" + value);\r\n16         Future&lt;Boolean&gt; result= memcachedClient.set(keyName, 0, value);\r\n17         System.out.println(\"Result of set \" + result.get());\r\n18     } else if(commandName.equals(\"add\")){\r\n19         String keyName =args[1];\r\n20         String value=args[2];\r\n21         System.out.println(\"Key Name \" + keyName + \" value=\" + value);\r\n22         Future&lt;Boolean&gt; result= memcachedClient.add(keyName, 0, value);\r\n23         System.out.println(\"Result of add \" + result.get());\r\n24     } else if(commandName.equals(\"replace\")){\r\n25         String keyName =args[1];\r\n26         String value=args[2];\r\n27         System.out.println(\"Key Name \" + keyName + \" value=\" + value);\r\n28         Future&lt;Boolean&gt; result= memcachedClient.replace(keyName, 0, value);\r\n29         System.out.println(\"Result of replace \" + result.get());\r\n30     } else if(commandName.equals(\"delete\")){\r\n31         String keyName =args[1];\r\n32         System.out.println(\"Key Name \" + keyName );\r\n33         Future&lt;Boolean&gt; result= memcachedClient.delete(keyName);\r\n34         System.out.println(\"Result of delete \" + result.get());\r\n35     } else{\r\n36         System.out.println(\"Command not found\");\r\n37     }\r\n38     memcachedClient.shutdown();\r\n39 }<\/pre>\n<div class=\"cnblogs_code_toolbar\"><span class=\"cnblogs_code_copy\"><a title=\"\u590d\u5236\u4ee3\u7801\"><img decoding=\"async\" src=\"http:\/\/common.cnblogs.com\/images\/copycode.gif\" alt=\"\u590d\u5236\u4ee3\u7801\" \/><\/a><\/span><\/div>\n<\/div>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u8be5\u5ba2\u6237\u7aef\u7684\u5e2e\u52a9\u4e0b\uff0c\u5bf9\u5b58\u50a8\u5728Memcached\u5b9e\u4f8b\u4e2d\u7684\u6570\u636e\u7684\u8bfb\u53d6\u5df2\u7ecf\u53d8\u5f97\u975e\u5e38\u7b80\u5355\u4e86\u3002\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u5730\u901a\u8fc7\u8c03\u7528\u8be5\u5ba2\u6237\u7aef\u7684get()\uff0cset()\uff0cadd()\uff0creplace()\u4ee5\u53cadelete()\u51fd\u6570\u6765\u5b8c\u6210\u5bf9\u6570\u636e\u7684\u64cd\u4f5c\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u539f\u6587\u5730\u5740\u5e76\u6807\u660e\u8f6c\u8f7d\uff1a<a href=\"http:\/\/www.cnblogs.com\/loveis715\/p\/4681643.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.cnblogs.com\/loveis715\/p\/4681643.html<\/a><\/p>\n<p>\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u4e8b\u5148\u4e0e\u6211\u8054\u7cfb\uff1a<a href=\"mailto:silverfox715@sina.com\">silverfox715@sina.com<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Memcached\u7b80\u4ecb \u3000\u3000\u5728Web\u670d\u52a1<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[24],"tags":[121],"class_list":["post-1535","post","type-post","status-publish","format-standard","hentry","category-value_docs","tag-05-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=1535"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1535\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=1535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=1535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=1535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}