{"id":1756,"date":"2019-08-30T16:03:11","date_gmt":"2019-08-30T08:03:11","guid":{"rendered":"https:\/\/www.xiaobo.li\/?p=1756"},"modified":"2019-08-30T16:05:04","modified_gmt":"2019-08-30T08:05:04","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88redis%e9%9b%86%e7%be%a4%e7%9a%84%e6%9c%80%e5%a4%a7%e6%a7%bd%e6%95%b0%e6%98%af16384%e4%b8%aa%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/1756","title":{"rendered":"\u4e3a\u4ec0\u4e48redis\u96c6\u7fa4\u7684\u6700\u5927\u69fd\u6570\u662f16384\u4e2a\uff1f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728redis\u8282\u70b9\u53d1\u9001\u5fc3\u8df3\u5305\u65f6\u9700\u8981\u628a\u6240\u6709\u7684\u69fd\u653e\u5230\u8fd9\u4e2a\u5fc3\u8df3\u5305\u91cc\uff0c\u4ee5\u4fbf\u8ba9\u8282\u70b9\u77e5\u9053\u5f53\u524d\u96c6\u7fa4\u4fe1\u606f\uff0c16384=16k\uff0c\u5728\u53d1\u9001\u5fc3\u8df3\u5305\u65f6\u4f7f\u7528<code>char<\/code>\u8fdb\u884cbitmap\u538b\u7f29\u540e\u662f2k\uff08<code><strong>2 * 8 (8 bit) * 1024(1k) = 2K<\/strong><\/code>\uff09\uff0c\u4e5f\u5c31\u662f\u8bf4\u4f7f\u75282k\u7684\u7a7a\u95f4\u521b\u5efa\u4e8616k\u7684\u69fd\u6570\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u867d\u7136\u4f7f\u7528CRC16\u7b97\u6cd5\u6700\u591a\u53ef\u4ee5\u5206\u914d65535\uff082^16-1\uff09\u4e2a\u69fd\u4f4d\uff0c65535=65k\uff0c\u538b\u7f29\u540e\u5c31\u662f8k\uff08<code><strong>8 * 8 (8 bit) * 1024(1k) = 8K<\/strong><\/code>\uff09\uff0c\u4e5f\u5c31\u662f\u8bf4\u9700\u8981\u9700\u89818k\u7684\u5fc3\u8df3\u5305\uff0c\u4f5c\u8005\u8ba4\u4e3a\u8fd9\u6837\u505a\u4e0d\u592a\u503c\u5f97\uff1b\u5e76\u4e14\u4e00\u822c\u60c5\u51b5\u4e0b\u4e00\u4e2aredis\u96c6\u7fa4\u4e0d\u4f1a\u6709\u8d85\u8fc71000\u4e2amaster\u8282\u70b9\uff0c\u6240\u4ee516k\u7684\u69fd\u4f4d\u662f\u4e2a\u6bd4\u8f83\u5408\u9002\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728redis\u8282\u70b9\u53d1\u9001\u5fc3\u8df3\u5305\u65f6\u9700\u8981\u628a\u6240\u6709\u7684\u69fd\u653e\u5230\u8fd9\u4e2a\u5fc3\u8df3\u5305\u91cc\uff0c\u4ee5\u4fbf\u8ba9\u8282\u70b9\u77e5\u9053\u5f53\u524d\u96c6 &hellip; <a href=\"https:\/\/www.xiaobo.li\/notes\/archives\/1756\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[273],"tags":[],"class_list":["post-1756","post","type-post","status-publish","format-standard","hentry","category-article"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/1756","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=1756"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/1756\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=1756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=1756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=1756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}