{"id":680,"date":"2011-03-29T15:58:37","date_gmt":"2011-03-29T07:58:37","guid":{"rendered":"http:\/\/www.strongd.net\/?p=680"},"modified":"2011-03-29T15:58:37","modified_gmt":"2011-03-29T07:58:37","slug":"%e5%91%bd%e4%bb%a4%e8%a1%8c%e6%9f%a5%e7%9c%8bmemcached%e8%bf%90%e8%a1%8c%e7%8a%b6%e6%80%81","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=680","title":{"rendered":"\u547d\u4ee4\u884c\u67e5\u770bMemcached\u8fd0\u884c\u72b6\u6001"},"content":{"rendered":"<p>\u5f88\u591a\u65f6\u5019\u9700\u8981\u76d1\u63a7\u670d\u52a1\u5668\u4e0a\u7684Memcached\u8fd0\u884c\u60c5\u51b5\uff0c\u6bd4\u5982\u7f13\u5b58\u7684\u67e5\u8be2\u6b21\u6570\uff0c\u547d\u4e2d\u7387\u4e4b\u7c7b\u7684\u3002\u4f46\u627e\u5230\u7684\u90a3\u4e2amemcached-tool\u662flinux\u4e0b\u7528perl\u5199\u7684\uff0c\u6211\u4e5f\u6ca1\u8bd5\u8fc7windows\u80fd\u4e0d\u80fd\u7528\u3002\u540e\u6765\u53d1\u73b0\u4e2a\u7b80\u5355\u7684\u529e\u6cd5\u53ef\u4ee5\u505a\u5230\uff0c\u5c31\u662f\u4f7f\u7528Telnet\u3002<\/p>\n<p>\u9996\u5148\u767b\u5f55\u5230\u670d\u52a1\u5668\uff0c\u7136\u540e\u5728cmd\u547d\u4ee4\u884c\u4e2d\u952e\u5165<\/p>\n<blockquote><p>telnet 127.0.0.1 11211<\/p><\/blockquote>\n<p>\u5176\u4e2d127.0.0.1\u662f\u670d\u52a1\u5668\u7684\u5730\u5740\uff08\u8fd9\u91cc\u662f\u672c\u673a\uff09 \uff0c11211\u662fmemcached\u7ed1\u5b9a\u7684\u7aef\u53e3\u53f7\u3002<\/p>\n<p>\u4e4b\u540e\u547d\u4ee4\u884c\u7a97\u53e3\u5168\u9ed1\u53ea\u6709\u5149\u6807\u63d0\u793a\uff0c\u6478\u9ed1\u8f93\u5165stats\uff0c\u5373\u53ef\u5f97\u5230\u63cf\u8ff0Memcached\u670d\u52a1\u5668\u8fd0\u884c\u60c5\u51b5\u7684\u53c2\u6570\u3002\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><a title=\"shell\u4e2d\u67e5\u770bMemcached\u72b6\u6001\" href=\"http:\/\/www.blogkid.net\/wp-content\/uploads\/2008\/04\/memcached_shell_2.JPG\"><img decoding=\"async\" src=\"http:\/\/www.blogkid.net\/wp-content\/uploads\/2008\/04\/memcached_shell_2.JPG\" alt=\"shell\u4e2d\u67e5\u770bMemcached\u72b6\u6001\" \/><\/a><\/p>\n<p>\u5176\u4e2d\uff0cuptime \u662fmemcached\u8fd0\u884c\u7684\u79d2\u6570\uff0ccmd_get\u662f\u67e5\u8be2\u7f13\u5b58\u7684\u6b21\u6570\u3002\u8fd9\u4e24\u4e2a\u6570\u636e\u76f8\u9664\u4e00\u4e0b\u5c31\u80fd\u5f97\u5230\u5e73\u5747\u6bcf\u79d2\u8bf7\u6c42\u7f13\u5b58\u7684\u6b21\u6570\u2014\u2014\u6700\u8fd1niupu\u7684\u6d41\u91cf\u5f88\u4f4e\uff0c\u6240\u4ee5\u5e73\u5747\u4e5f\u5c31\u4e00\u79d2\u8bf7\u6c42\u4e00\u6b21\u591a\uff0c\u8fd9\u4e48\u70b9\u5927\u7684\u538b\u529b\uff0c\u7528\u6587\u4ef6\u7cfb\u7edf\u7f13\u5b58\u4e00\u6837\u6ca1\u95ee\u9898\uff0c\u6839\u672c\u4e0d\u4f1a\u4f53\u73b0\u51fa\u4f7f\u7528memcached\u7684\u4f18\u8d8a\u3002<\/p>\n<p>\u4e0b\u9762\u7684cmd_set \u5c31\u662f\u8bbe\u7f6ekey=&gt;value\u7684\u6b21\u6570\u3002\u6574\u4e2amemcached\u662f\u4e2a\u5927hash\uff0c\u7528cmd_get\u6ca1\u6709\u627e\u5230\u7684\u5185\u5bb9\uff0c\u5c31\u4f1a\u8c03\u7528\u4e00\u4e0bcmd_set\u5199\u8fdb\u7f13\u5b58\u91cc\u3002\u7d27\u8ddf\u7740\u662fget_hits\uff0c\u5c31\u662f\u7f13\u5b58\u547d\u4e2d\u7684\u6b21\u6570\u3002\u7f13\u5b58\u547d\u4e2d\u7387 = get_hits\/cmd_get * 100%\u3002<\/p>\n<p>\u4e0b\u9762\u7684get_misses\u7684\u6570\u5b57\u52a0\u4e0aget_hits\u5e94\u8be5\u7b49\u4e8ecmd_get\u3002\u800c<span style=\"text-decoration: line-through;\">total_items<\/span>curr_items\u8868\u793a\u73b0\u5728\u5728\u7f13\u5b58\u4e2d\u7684\u952e\u503c\u5bf9\u4e2a\u6570\uff0c\u5728\u56fe\u4e0atotal_items == cmd_set == get_misses<span style=\"text-decoration: line-through;\">\uff0c\u4e0d\u8fc7\u5f53\u53ef\u7528\u6700\u5927\u5185\u5b58\u7528\u5149\u65f6\uff0cmemcached\u5c31\u4f1a\u5220\u6389\u4e00\u4e9b\u5185\u5bb9\uff0c\u4e0a\u9762\u7684\u7b49\u5f0f\u5c31\u4e0d\u6210\u7acb\u4e86<\/span>\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f88\u591a\u65f6\u5019\u9700\u8981\u76d1\u63a7\u670d\u52a1\u5668\u4e0a\u7684Memcached\u8fd0\u884c\u60c5\u51b5\uff0c\u6bd4\u5982\u7f13\u5b58\u7684\u67e5\u8be2\u6b21\u6570\uff0c\u547d\u4e2d\u7387\u4e4b\u7c7b\u7684\u3002\u4f46\u627e\u5230\u7684\u90a3\u4e2amemcached-tool\u662flinux\u4e0b\u7528perl\u5199\u7684\uff0c\u6211\u4e5f\u6ca1\u8bd5\u8fc7windows\u80fd\u4e0d\u80fd\u7528\u3002\u540e\u6765\u53d1\u73b0\u4e2a\u7b80\u5355\u7684\u529e\u6cd5\u53ef\u4ee5\u505a\u5230\uff0c\u5c31\u662f\u4f7f\u7528Telnet\u3002 \u9996\u5148\u767b\u5f55\u5230\u670d\u52a1\u5668\uff0c\u7136\u540e\u5728cmd\u547d\u4ee4\u884c\u4e2d\u952e\u5165 telnet 127.0.0.1 11211 \u5176\u4e2d127.0.0.1\u662f\u670d\u52a1\u5668\u7684\u5730\u5740\uff08\u8fd9\u91cc\u662f\u672c\u673a\uff09 \uff0c11211\u662fmemcached\u7ed1\u5b9a\u7684\u7aef\u53e3\u53f7\u3002 \u4e4b\u540e\u547d\u4ee4\u884c\u7a97\u53e3\u5168\u9ed1\u53ea\u6709\u5149\u6807\u63d0\u793a\uff0c\u6478\u9ed1\u8f93\u5165stats\uff0c\u5373\u53ef\u5f97\u5230\u63cf\u8ff0Memcached\u670d\u52a1\u5668\u8fd0\u884c\u60c5\u51b5\u7684\u53c2\u6570\u3002\u5982\u4e0b\u56fe\uff1a \u5176\u4e2d\uff0cuptime \u662fmemcached\u8fd0\u884c\u7684\u79d2\u6570\uff0ccmd_get\u662f\u67e5\u8be2\u7f13\u5b58\u7684\u6b21\u6570\u3002\u8fd9\u4e24\u4e2a\u6570\u636e\u76f8\u9664\u4e00\u4e0b\u5c31\u80fd\u5f97\u5230\u5e73\u5747\u6bcf\u79d2\u8bf7\u6c42\u7f13\u5b58\u7684\u6b21\u6570\u2014\u2014\u6700\u8fd1niupu\u7684\u6d41\u91cf\u5f88\u4f4e\uff0c\u6240\u4ee5\u5e73\u5747\u4e5f\u5c31\u4e00\u79d2\u8bf7\u6c42\u4e00\u6b21\u591a\uff0c\u8fd9\u4e48\u70b9\u5927\u7684\u538b\u529b\uff0c\u7528\u6587\u4ef6\u7cfb\u7edf\u7f13\u5b58\u4e00\u6837\u6ca1\u95ee\u9898\uff0c\u6839\u672c\u4e0d\u4f1a\u4f53\u73b0\u51fa\u4f7f\u7528memcached\u7684\u4f18\u8d8a\u3002 \u4e0b\u9762\u7684cmd_set \u5c31\u662f\u8bbe\u7f6ekey=&gt;value\u7684\u6b21\u6570\u3002\u6574\u4e2amemcached\u662f\u4e2a\u5927hash\uff0c\u7528cmd_get\u6ca1\u6709\u627e\u5230\u7684\u5185\u5bb9\uff0c\u5c31\u4f1a\u8c03\u7528\u4e00\u4e0bcmd_set\u5199\u8fdb\u7f13\u5b58\u91cc\u3002\u7d27\u8ddf\u7740\u662fget_hits\uff0c\u5c31\u662f\u7f13\u5b58\u547d\u4e2d\u7684\u6b21\u6570\u3002\u7f13\u5b58\u547d\u4e2d\u7387 = get_hits\/cmd_get * 100%\u3002 \u4e0b\u9762\u7684get_misses\u7684\u6570\u5b57\u52a0\u4e0aget_hits\u5e94\u8be5\u7b49\u4e8ecmd_get\u3002\u800ctotal_itemscurr_items\u8868\u793a\u73b0\u5728\u5728\u7f13\u5b58\u4e2d\u7684\u952e\u503c\u5bf9\u4e2a\u6570\uff0c\u5728\u56fe\u4e0atotal_items == cmd_set == get_misses\uff0c\u4e0d\u8fc7\u5f53\u53ef\u7528\u6700\u5927\u5185\u5b58\u7528\u5149\u65f6\uff0cmemcached\u5c31\u4f1a\u5220\u6389\u4e00\u4e9b\u5185\u5bb9\uff0c\u4e0a\u9762\u7684\u7b49\u5f0f\u5c31\u4e0d\u6210\u7acb\u4e86\u3002 &nbsp;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[34],"class_list":["post-680","post","type-post","status-publish","format-standard","hentry","category-20","tag-memcached"],"_links":{"self":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/680","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=680"}],"version-history":[{"count":2,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/680\/revisions"}],"predecessor-version":[{"id":682,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/680\/revisions\/682"}],"wp:attachment":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}