{"id":152241,"date":"2020-09-07T06:21:21","date_gmt":"2020-09-06T22:21:21","guid":{"rendered":"http:\/\/4563.org\/?p=152241"},"modified":"2020-09-07T06:21:21","modified_gmt":"2020-09-06T22:21:21","slug":"%e5%85%b3%e4%ba%8e-redis-%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88%e5%ba%95%e5%b1%82%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e8%b7%b3%e8%b7%83%e8%a1%a8%e7%9a%84%e7%96%91%e6%83%91","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=152241","title":{"rendered":"\u5173\u4e8e Redis \u6709\u5e8f\u96c6\u5408\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u8df3\u8dc3\u8868\u7684\u7591\u60d1"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u5173\u4e8e Redis \u6709\u5e8f\u96c6\u5408\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u8df3\u8dc3\u8868\u7684\u7591\u60d1               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : qianProgrammer <\/span>  <span><i><\/i> 17<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u8df3\u8dc3\u8868\u7531 zskiplistNode \u548c zskiplist \u4e24\u4e2a\u7ed3\u6784\u5b9a\u4e49.<br \/>\u5176\u4e2d zskiplistNode \u8868\u793a\u8df3\u8dc3\u8868\u7684\u5404\u4e2a\u8282\u70b9,\u8282\u70b9\u4e0b\u6709 zskiplistLevel \u8bb0\u5f55\u6bcf\u4e2a\u8282\u70b9\u7684\u5404\u4e2a\u5c42.<br \/>\u5c42\u4e2d\u6709\u4e24\u4e2a\u5b57\u6bb5,\u4e00\u4e2a\u662f\u524d\u8fdb\u6307\u9488,\u4e00\u4e2a\u662f\u672c\u5e16\u4e3b\u9898<strong>\u2018\u8de8\u5ea6\u2019<\/strong>.<br \/>\u6309\u300a Redis \u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u300b\u4e66\u4e2d\u6240\u5199,\u5c42\u7684\u8de8\u5ea6\u7528\u4e8e\u8bb0\u5f55\u4e24\u4e2a\u8282\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb,\u5b9e\u9645\u4f5c\u7528\u662f\u7528\u6765\u8ba1\u7b97\u8282\u70b9\u7684\u6392\u4f4d,\u5728\u67e5\u627e\u67d0\u4e2a\u8282\u70b9\u7684\u8fc7\u7a0b\u4e2d,\u5c06\u6cbf\u9014\u8bbf\u95ee\u8fc7\u7684\u6240\u6709\u5c42\u7684\u8de8\u5ea6\u7d2f\u8ba1\u8d77\u6765,\u5f97\u5230\u7684\u7ed3\u679c\u5c31\u662f\u76ee\u6807\u8282\u70b9\u5728\u8df3\u8dc3\u8868\u4e2d\u7684\u6392\u4f4d.<br \/>\u8df3\u8dc3\u8868\u6309\u6211\u7684\u7406\u89e3\u5c31\u662f\u4e00\u4e2a\u7ef4\u62a4\u4e86\u591a\u5c42\u7d22\u5f15\u7684\u94fe\u8868,\u90a3\u4e48\u53ef\u4ee5\u901a\u8fc7\u7ef4\u62a4\u4e00\u4e2a\u4e0b\u6807\u7d22\u5f15\u76f4\u63a5\u8ba1\u7b97\u8282\u70b9\u95f4\u7684\u8ddd\u79bb,\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u4e0b\u6807\u7d22\u5f15\u5f97\u5230\u5f53\u524d\u8282\u70b9\u7684\u6392\u4f4d,\u90a3\u4e48\u6bcf\u4e2a\u8282\u70b9\u7684\u5404\u4e2a\u5c42\u90fd\u7ef4\u62a4\u4e00\u4e2a\u8de8\u5ea6\u7684\u610f\u4e49\u5728\u54ea\u91cc\u5462\u2026?\u6dfb\u52a0\u5220\u9664\u7684\u65f6\u5019\u66f4\u52a0\u9ebb\u70e6,\u8fd8\u5360\u7528\u4e86\u66f4\u591a\u7684\u5185\u5b58\u7a7a\u95f4. <\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>7<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"3092619\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wakzz <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u56e0\u4e3a\u8df3\u8dc3\u8868\u662f\u6309\u503c\u6392\u5e8f\u7684\uff0c\u591a\u5c42\u7d22\u5f15\u4e3a\u4e86\u5feb\u901f\u8df3\u8dc3\u67e5\u8be2\u6307\u5b9a\u503c\uff0c\u4e0d\u7528\u4e00\u4e2a\u4e00\u4e2a\u904d\u5386\u4e00\u904d\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4ece O(N) -&gt; O(log N)\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3092620\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : xkeyideal <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5982\u679c\u91c7\u7528\u4e0b\u6807\u7d22\u5f15\u7684\u65b9\u5f0f\uff0c\u90a3\u4e48\u8bf7\u95ee\u589e\u5220\u8282\u70b9\u7684\u65f6\u5019\uff0c\u5982\u4f55\u5feb\u901f\u7684\u7ef4\u62a4\u6240\u6709\u8282\u70b9\u4e0b\u6807\u7d22\u5f15\u7684\u51c6\u786e\u6027\u5462                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3092621\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : qianProgrammer <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @xkeyideal \u589e\u5220\u8282\u70b9\u7684\u65f6\u5019,\u4e00\u6837\u9700\u8981\u7ef4\u62a4\u76f8\u5173\u8282\u70b9\u6bcf\u4e00\u5c42\u7684\u8de8\u5ea6\u554a;<br \/>\u6bd4\u5982\u8bf4 A,B,C,D,F 5 \u4e2a\u8282\u70b9,\u5982\u679c\u5220\u9664\u4e86 D \u8282\u70b9,\u90a3\u4e48\u9700\u8981\u5bf9 A,B,C \u4e09\u4e2a\u8282\u70b9\u4e2d\u6709\u6307\u5411 F \u7684\u5c42\u8fdb\u884c\u66f4\u65b0<br \/>\u7531\u4e8e\u8282\u70b9\u4e2d\u8bb0\u5f55\u7684\u540e\u9000\u6307\u9488\u662f\u6307\u5411\u4e0a\u4e00\u4e2a\u8282\u70b9\u7684,\u65e0\u6cd5\u76f4\u63a5\u5b9a\u4f4d\u5230\u9700\u8981\u66f4\u65b0\u7684\u8282\u70b9,\u90a3\u4e48\u9700\u8981\u66f4\u65b0\u5c31\u4e00\u5b9a\u8981\u8fdb\u884c\u904d\u5386<br \/>\u65e2\u7136\u6a2a\u7ad6\u90fd\u662f\u8981\u904d\u5386\u66f4\u65b0,\u53ea\u5728\u6bcf\u4e2a\u8282\u70b9\u4e2d\u7ef4\u62a4\u4e00\u4e2a\u4e0b\u6807\u7d22\u5f15\u4e0d\u662f\u66f4\u7b80\u5355\u4e00\u4e9b\u5417?                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3092622\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : qianProgrammer <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @wakzz \u8fd9\u4e2a\u6211\u660e\u767d,\u4f46\u662f\u8fd9\u4e2a\u8de8\u5ea6\u7684\u4f5c\u7528\u6211\u786e\u5b9e\u6709\u70b9\u60f3\u4e0d\u901a_(:\u0437\u300d\u2220)_                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3092623\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : xkeyideal <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @qianProgrammer \u4f60\u5206\u6790\u4e00\u4e0b\u4e8c\u8005\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5427\uff0credis \u7684 span \u7ef4\u62a4\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662f O(k)\uff0ck \u662f\u8be5\u5c42\u7ea7\u7684\u9ad8\u5ea6                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3092624\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : LittleDust <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e3e\u4e2a\u4f8b\u5b50\uff1a<br \/>1. \u5b57\u6bcd a-z \u91cc\u9762\u4f60\u8981\u67e5\u627e i\uff0c\u6309\u904d\u5386\u4f60\u8981\u4ece a \u5f00\u59cb\u627e\uff0c\u4e00\u76f4\u627e\u5230 i\uff0c\u8981\u627e 9 \u6b21\uff1b<br \/>2. \u6309\u8df3\u8dc3\u8868\u601d\u60f3\uff0c\u5c06 a-z \u5206\u4e3a\u4e24\u5c42\uff0c\u7b2c\u4e00\u5c42\u8fd8\u662f a-z\uff0c\u4e00\u5171 26 \u4e2a\u70b9\uff0c\u7b2c\u4e8c\u5c42 a \u3001h \u3001o \u3001z \u56db\u4e2a\u70b9\uff0c\u5206\u4e3a a-g, h-n, o-z \u4e09\u4e2a\u533a\u95f4\uff0c\u8fd9\u65f6\u5019\u4f60\u518d\u53bb\u627e h\uff0c\u5148\u4ece\u6700\u9876\u5c42\uff0c\u4e5f\u5c31\u662f\u8fd9\u91cc\u7684\u7b2c\u4e8c\u5c42\u5f00\u59cb\u627e\uff0c\u56db\u4e2a\u70b9\u4f9d\u6b21\u6bd4\u5bf9 a &lt; i\uff0ch &lt; i\uff0co &gt; i \u5224\u65ad 3 \u6b21\uff1b\u5f97\u5230 i \u5728 h-o \u4e4b\u95f4\uff0c\u63a5\u7740\u5230 h \u3001o \u4e24\u70b9\u5bf9\u5e94\u7684\u7b2c\u4e00\u5c42\uff0c\u67e5\u627e 2 \u6b21\uff0c\u4e00\u5171 5 \u6b21\u5c31\u627e\u5230\u4e86 i \u3002<br \/>3. \u603b\u7ed3\u4e00\u4e0b\uff1a\u5c31\u662f\u7528\u5c42\u6765\u4fdd\u5b58\u533a\u95f4\uff0c\u4ece\u4e0a\u5230\u4e0b\uff0c\u70b9\u6570\u8d8a\u591a\uff0c\u533a\u95f4\u8d8a\u7cbe\u786e\uff1b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3092625\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : rrfeng <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f60\u60f3\u4e00\u4e0b\u5982\u679c\u6709\u7d22\u5f15\u90a3\u4e0d\u5c31\u662f\u4e2a array \u5417\uff1f\u8fd9\u91cc\u4e3a\u5565\u4e0d\u76f4\u63a5\u7528 array \u5462\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u4e8e Redis \u6709\u5e8f\u96c6\u5408\u5e95\u5c42\u6570\u636e&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/152241"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=152241"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/152241\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=152241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=152241"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=152241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}