{"id":231428,"date":"2020-12-28T13:56:50","date_gmt":"2020-12-28T05:56:50","guid":{"rendered":"http:\/\/4563.org\/?p=231428"},"modified":"2020-12-28T13:56:50","modified_gmt":"2020-12-28T05:56:50","slug":"%e5%85%b3%e4%ba%8e-redis-%e7%9a%84-scan-%e5%91%bd%e4%bb%a4%e5%b9%b6%e5%8f%91%e6%89%a7%e8%a1%8c%e7%9a%84%e9%97%ae%e9%a2%98%ef%bc%8c%e6%9c%9b%e8%a7%a3%e7%ad%94","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=231428","title":{"rendered":"\u5173\u4e8e redis \u7684 scan \u547d\u4ee4\u5e76\u53d1\u6267\u884c\u7684\u95ee\u9898\uff0c\u671b\u89e3\u7b54"},"content":{"rendered":"
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\u5173\u4e8e redis \u7684 scan \u547d\u4ee4\u5e76\u53d1\u6267\u884c\u7684\u95ee\u9898\uff0c\u671b\u89e3\u7b54 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : qqqasdwx <\/span> <\/i> 11<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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reids \u63a8\u8350\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4f7f\u7528scan<\/code>\u547d\u4ee4\u6765\u4ee3\u66ffkeys<\/code>\u547d\u4ee4\u83b7\u53d6\u6240\u6709 key\uff0c\u6211\u6709\u4e9b\u7591\u60d1\uff0c\u671b\u5404\u4f4d\u5927\u4f6c\u89e3\u7b54 <\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (12<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : lpts007 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u77e5\u9053\u8bf4\u5565\uff0cscan \u548c\u4e24\u4e2a\u8fde\u63a5\u6709\u5565\u5173\u7cfb\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : teek <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53d6\u51b3\u4e8e\u4f60\u6570\u636e\u53d8\u52a8\u60c5\u51b5\u3002redis.io\/commands\/scan#scan-guarantees <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : yRebelHero <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    redis \u91cc\u7684 key \u90fd\u662f\u5b58\u50a8\u5728\u4e00\u4e2a\u5b57\u5178\u91cc\u7684\uff0c\u6709\u70b9\u7c7b\u4f3c\u4e8e Java \u91cc\u7684 HashMap\uff0c\u4e00\u7ef4\u662f\u6570\u7ec4\uff0c\u4e8c\u7ef4\u662f\u94fe\u8868\uff0c\u6e38\u6807\u8fd4\u56de\u7684\u5c31\u662f\u7b2c\u4e00\u7ef4\u6570\u7ec4\u7684\u4f4d\u7f6e\u7d22\u5f15\uff0c\u800c\u4e14\u5b83\u7684\u904d\u5386\u4e0d\u662f\u4ece\u4e00\u7ef4\u6570\u7ec4\u7684\u7b2c 0 \u4f4d\u4e00\u76f4\u904d\u5386\u5230\u672b\u5c3e\uff0c\u800c\u662f\u7528\u7684\u4e00\u79cd\u9ad8\u4f4d\u8fdb\u4f4d\u52a0\u6cd5\u6765\u904d\u5386\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u666e\u901a\u7684\u662f 0->1->2->3\uff0c\u9ad8\u4f4d\u8fdb\u4f4d\u52a0\u6cd5\u662f 0 -> 8 -> 4 -> 12 -> 2 \u8fd9\u6837\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : yRebelHero <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u597d\u610f\u601d\uff0c\u5148\u53d1\u51fa\u53bb\u4e86\uff0c\u63a5\u4e0a\u6587\u3002<\/p>\n

    \u904d\u5386\u7684\u65f6\u5019\u5982\u679c\u6709\u6570\u636e\u4fee\u6539\uff0c\u6539\u52a8\u540e\u7684\u6570\u636e\u80fd\u4e0d\u80fd\u904d\u5386\u5230\u662f\u4e0d\u4e00\u5b9a\u7684\u3002<\/p>\n

    \u65e2\u7136\u4f60\u7684\u95ee\u9898\u7684\u524d\u63d0\u662f\uff1akey \u7684\u6570\u91cf\u65f6\u4e00\u76f4\u9891\u7e41\u53d8\u5316\u7684\u3002\u90a3\u4e48\u95ee\u9898 1 \u30012\uff0c\u8fd4\u56de\u7684\u6e38\u6807\u53ef\u80fd\u4e0d\u4e00\u6837\uff0c\u65e2\u7136\u4e0a\u9762\u4e24\u4e2a\u95ee\u9898\u4e0d\u76f8\u540c\uff0c\u7b2c 3 \u4e2a\u95ee\u9898\u5c31\u6ca1\u6cd5\u56de\u7b54\u4f60\u4e86\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
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    \u8cc7\u6df1\u5927\u4f6c : xuanbg <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u81ea\u5df1\u505a\u4e00\u4e2a key \u7ba1\u7406\uff0cRedis \u5df2\u7ecf\u5f88\u5fd9\u5f88\u8f9b\u82e6\u4e86\uff0c\u5c31\u4e0d\u8981\u518d\u4e3a\u96be Redis \u4e86\u3002\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : lithium4010 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u4e3a\u5565\u8981\u62ff\u6240\u6709\u7684 key ? key \u5f88\u5927\u7684\u65f6\u5019, \u5b83\u8fd9\u4e2a\u5c31\u6ca1\u6709\u8bbe\u8ba1\u8fd9\u79cd\u4f7f\u7528\u573a\u666f\u6211\u7406\u89e3 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : lithium4010 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @lithium4010 \u6211\u662f\u53ea key \u7684\u6570\u91cf\u5f88\u5927\u7684\u65f6\u5019 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : lithium4010 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u662f\u6307.. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : qqqasdwx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @lpts007 \u548c\u4e24\u4e2a\u8fde\u63a5\u786e\u5b9e\u6ca1\u4ec0\u4e48\u5173\u7cfb\uff0c\u5176\u5b9e\u5c31\u662f\u60f3\u95ee scan \u7684\u6e38\u6807\u662f\u600e\u4e48\u7ef4\u62a4\u7684\uff0c\u591a\u6b21\u626b\u63cf\u5e76\u884c\u5b58\u5728\u65f6\u4f1a\u4e0d\u4f1a\u76f8\u4e92\u5f71\u54cd <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : qqqasdwx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @yRebelHero \u8c22\u8c22\u60a8\u7684\u8010\u5fc3\u89e3\u7b54\uff0c\u90a3\u4e48\u7528\u5177\u4f53\u573a\u666f\u6765\u4e3e\u4f8b\u5b50\uff0c\u6bd4\u65b9\u8bf4\u6709\u4e24\u4e2a\u7528\u6237\u67e5\u8be2\u5168\u90e8 key\uff0c\u5047\u8bbe\u9875\u9762\u65e0\u9650\u52a0\u8f7d\uff0c\u4e00\u6b21 scan \u7684 count \u8bbe\u4e3a 1\uff0credis \u91cc\u6570\u91cf\u7ea7\u76f8\u5bf9\u56fa\u5b9a\uff08\u6bd4\u5982 2kw \u6570\u636e\uff0c\u4e0a\u4e0b\u6d6e\u52a8 1w\uff0c\u4f46 key \u4f1a\u9891\u7e41\u53d8\u52a8\uff0c\u5927\u91cf\u5220\u9664\u5927\u91cf\u589e\u52a0\uff0c\u4f46\u603b\u6570\u7ef4\u6301\u5728 2kw \uff09\uff0c\u90a3\u4e48\u5982\u679c\u51fa\u73b0\u4e86\u76f8\u540c\u6e38\u6807\uff0c\u4f1a\u4e0d\u4f1a\u51fa\u73b0\u4e00\u4e2a\u6781\u9650\u60c5\u51b5\uff0c\u7528\u6237 1 \u6700\u7ec8\u5237\u51fa\u4e86 2kw \u6570\u636e\uff0c\u7528\u6237 2 \u53ea\u80fd\u5237\u51fa 2 \u6761\u6570\u636e\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : qqqasdwx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @lithium4010 \u6bd4\u5982\u6dd8\u5b9d\u5546\u54c1\u9875\u505a\u65e0\u9650\u52a0\u8f7d\uff0c\u6bcf\u79d2\u90fd\u6709\u5927\u91cf\u5546\u5bb6\u4e0a\u8d27\uff0c\u4e5f\u6709\u5927\u91cf\u5546\u5bb6\u4e0b\u67b6\uff0c\u4e0d\u80fd\u8bf4\u4e00\u4e2a\u7528\u6237\u6700\u7ec8\u80fd\u770b\u5230\u5168\u90e8\u5546\u54c1\uff0c\u800c\u53e6\u4e00\u4e2a\u7528\u6237\u53ea\u80fd\u770b\u5230\u4e24\u9875\u5427\uff0c\u5f53\u7136\u8fd9\u53ea\u662f\u6211\u5047\u60f3\u4e86\u4e00\u4e2a\u4f7f\u7528\u573a\u666f\uff0c\u60f3\u95ee\u7684\u662f\u5728 redis \u4e0d\u7ef4\u62a4 session \u7684\u60c5\u51b5\u4e0b\u5982\u4f55\u4fdd\u8bc1\u80fd\u626b\u63cf\u5230\u5927\u90e8\u5206 key <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : yRebelHero <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @qqqasdwx \u5176\u5b9e\u4e0d\u662f\u5f88\u660e\u767d\u4f60\u63cf\u8ff0\u7684\u5177\u4f53\u573a\u666f\uff0c\u4f46\u5e94\u8be5\u4e0d\u4f1a\u8fd9\u4e48\u6781\u7aef\u7684\uff0c\u6bd5\u7adf key \u5728\u5b57\u5178\u91cc\u90fd\u662f\u7ecf\u8fc7 hash \u4e86\u4e00\u6b21\u7684\uff0c\u80af\u5b9a\u662f\u6bd4\u8f83\u5747\u5300\u5730\u5206\u5e03\uff0c\u4e0d\u4f1a\u90a3\u4e48\u6781\u7aef\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u5173\u4e8e redis \u7684 scan \u547d…<\/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\/231428"}],"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=231428"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/231428\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=231428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=231428"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=231428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}