{"id":384747,"date":"2021-03-11T08:53:14","date_gmt":"2021-03-11T00:53:14","guid":{"rendered":"http:\/\/4563.org\/?p=384747"},"modified":"2021-03-11T08:53:14","modified_gmt":"2021-03-11T00:53:14","slug":"%e9%97%ae%e4%b8%aa-redis-%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=384747","title":{"rendered":"\u95ee\u4e2a Redis \u7684\u95ee\u9898"},"content":{"rendered":"
\n
\n
\n

\u95ee\u4e2a Redis \u7684\u95ee\u9898 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : myd <\/span> <\/i> 8<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u9700\u6c42\uff1a<\/h2>\n

\u8bb0\u5f55\u5546\u54c1\u7684\u8d2d\u4e70\u7528\u6237\u548c\u6570\u91cf\uff0c\u5b9e\u73b0\uff1a<\/p>\n

    \n
  • \u8d2d\u4e70\u9650\u5236\uff1a\u4f8b\u5982\u6bcf\u4e2a\u7528\u6237 24 \u5c0f\u65f6\u5185\u53ea\u80fd\u8d2d\u4e70 2 \u6b21<\/li>\n
  • \u6e05\u7a7a\u5e76\u91cd\u65b0\u8ba1\u7b97\u6307\u5b9a\u4ea7\u54c1\u7684\u8d2d\u4e70\u9650\u5236\uff1a\u5220\u9664\u6307\u5b9a\u4ea7\u54c1\u7684\u5168\u90e8\u7528\u6237\u7684\u8d2d\u4e70\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n

    \u65b9\u6848\u4e00<\/h2>\n

    \u4f7f\u7528\u54c8\u5e0c\uff1a<\/p>\n

    hset product_{product}  {user}  {qty} <\/code><\/pre>\n
    \u4f18\u70b9<\/strong>\uff1a\u6e05\u7a7a\u9650\u5236\u5f88\u65b9\u4fbf\uff0cdel product_{product}<\/code>\u3002
     \u7f3a\u70b9<\/strong>\uff1ahash \u8c8c\u4f3c\u4e0d\u80fd\u9488\u5bf9\u6307\u5b9a field(\u7528\u6237)\u8bbe\u7f6e\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4, \u76f8\u5173\u8ba8\u8bba\uff1a https:\/\/github.com\/redis\/redis\/issues\/1042 \u3002\u53ea\u80fd\u5728 qty \u52a0\u4e00\u4e2a\u8fc7\u671f\u65f6\u95f4 \/\u8d2d\u4e70\uff0c\u7ef4\u62a4\u8d77\u6765\u9ebb\u70e6\uff0c\u4e5f\u4e0d\u592a\u4f18\u96c5\u3002<\/p>\n
    \u65b9\u6848\u4e8c<\/h2>\n
    \u4f7f\u7528\u5b57\u7b26\u4e32\uff1a<\/p>\n
    set product_{product}_{user}  {qty} <\/code><\/pre>\n
    \u4f18\u70b9<\/strong>\uff1a\u53ef\u4ee5\u9488\u5bf9\u4ea7\u54c1 \/\u7528\u6237\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff0c\u5b9e\u73b0\u8d2d\u4e70\u9650\u5236\u7b80\u5355\u3002
     \u7f3a\u70b9<\/strong>\uff1a\u6e05\u7a7a\u6307\u5b9a\u4ea7\u54c1\u7684\u8d2d\u4e70\u9650\u5236\u590d\u6742\u5ea6\u662f O(N)\uff0c\u7c7b\u4f3c\u4e8e keys product_{product}_* |xargs redis-cli DEL <\/code><\/p>\n
    \u6709\u6ca1\u6709\u6bd4\u8f83\u4f18\u96c5\u7684\u5b9e\u73b0\u65b9\u5f0f\uff1f<\/p>\n<\/p><\/div>\n
     \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (31<\/span>)        <\/div>\n
     <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
      \n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : junan0708 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   product_{product}_{user}_{Ymd}                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    •   <\/a>\n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : also24 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u300e 24 \u5c0f\u65f6\u5185\u300f \u6307\u7684\u662f\u6eda\u52a8\u7684 24 \u5c0f\u65f6\uff0c\u8fd8\u662f\u56fa\u5b9a\u7684 24 \u5c0f\u65f6\uff08 1 \u5929\uff09\u3002<\/p>\n
      \u524d\u8005\uff1a\u6628\u5929 8 \u70b9 1 \u6b21\uff0c18 \u70b9 1 \u6b21\uff1b\u4eca\u5929 0 \u70b9\u4e0d\u80fd\u8d2d\u4e70\u3002
      \u540e\u8005\uff1a\u6628\u5929 8 \u70b9 1 \u6b21\uff0c18 \u70b9 1 \u6b21\uff1b\u4eca\u5929 0 \u70b9\u53ef\u4ee5\u8d2d\u4e70\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : kiracyan <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @also24 \u5e94\u8be5\u662f \u524d\u8005 \u540e\u8005\u76f4\u63a5\u7ed9 hash \u8bbe\u8fc7\u671f\u65f6\u95f4\u5c31\u53ef\u4ee5\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : myd <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @also24 \u662f\u7684\uff0c\u540e\u8005\uff0c\u4ece\u8d2d\u4e70\u65f6\u95f4\u5f00\u59cb\u8ba1\u7b97\u7684 24 \u5c0f\u65f6\u3002<\/p>\n
      @junan0708 \u9650\u5236\u65f6\u95f4\u4e0d\u4e00\u5b9a\u662f 24 \u5c0f\u65f6\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : myd <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u6253\u9519\uff0c\u524d\u8005\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : beryl <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5982\u679c\u662f\u56fa\u5b9a 24 \u5c0f\u65f6\uff08\u7edd\u5bf9\u65f6\u95f4\uff09\uff1a
      set product_{product}_{user} count expire_time(\u56fa\u5b9a\u65f6\u95f4)<\/p>\n
      \u8fd9\u4e2a\u6709\u4e2a\u95ee\u9898\u662f\uff0c\u4f1a\u5728\u56fa\u5b9a\u65f6\u95f4\u6e05\u9664\u5927\u91cf\u7684 key, redis \u4f1a\u6709\u538b\u529b\u3002<\/p>\n
      \u5982\u679c\u662f\u6eda\u52a8 24 \u5c0f\u65f6\uff0c\u4ece\u7b2c\u4e00\u6b21\u8d2d\u4e70\u7b97\u4e3a\u539f\u70b9\uff1a
      set product_{product}_{user} count expire_time(\u5f53\u524d\u65f6\u95f4+24 \u5c0f\u65f6)<\/p>\n
      \u8fd9\u79cd\u538b\u529b\u5c31\u5206\u6563\u591a\u4e86                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : also24 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @beryl #6 
      \u5982\u679c\u6309\u7167\uff1a
      set product_{product}_{user} count expire_time(\u5f53\u524d\u65f6\u95f4+24 \u5c0f\u65f6) <\/p>\n
      \u90a3\u4e48\u8ddd\u79bb\u7b2c\u4e00\u6b21\u8d2d\u4e70 24 \u5c0f\u65f6\u540e\uff0c\u4ecd\u7136\u65e0\u6cd5\u8d2d\u4e70\u4e86\u3002<\/p>\n
      \u53ef\u4ee5\u6539\u6210<\/p>\n
      set product_{product}_{user}_{timestamp} timestamp expire_time(\u5f53\u524d\u65f6\u95f4+24 \u5c0f\u65f6) <\/p>\n
      \u53d6\u6570\u91cf\u7684\u65f6\u5019 keys product_{product}_{user}_* \u5c31\u597d                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : junan0708 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   hset product_{product}_{user} count \u503c\uff1a\u8d2d\u4e70\u6b21\u6570
      hset product_{product}_{user} expire \u503c\uff1a\u7b2c\u4e00\u6b21\u8d2d\u4e70\u65f6\u95f4 + 86400<\/p>\n
      expire < now \u53ef\u4ee5\u8d2d\u4e70
      expire >= now && count < 2 \u53ef\u4ee5\u8d2d\u4e70                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : beryl <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @also24 #7<\/p>\n
      \u5982\u679c\u53ea\u662f\u7b2c\u4e00\u6b21\u8d2d\u4e70\uff0c24 \u5c0f\u65f6\u540e\uff0c\u88ab\u81ea\u52a8\u6e05\u6389\u4e86\uff0ckey \u4e0d\u5b58\u5728\u53ef\u4ee5\u8ba4\u4e3a 0 \u6b21\uff0c\u53ef\u4ee5\u8d2d\u4e70\u7684\u3002<\/p>\n
      \u4f46\u786e\u5b9e\u6709\u95ee\u9898\uff0c\u56e0\u4e3a\u300e\u7b2c\u4e8c\u6b21\u8d2d\u4e70\u540e\uff0c24 \u5c0f\u65f6\u65f6\u95f4\u88ab\u91cd\u7f6e\u4e86\u300f\uff08-<\/p>\n
      set product_{product}_{user}_{timestamp} timestamp expire_time(\u5f53\u524d\u65f6\u95f4+24 \u5c0f\u65f6)
      \u8fd9\u4e2a\u540c\u6837\u4f1a\u6709\u300e\u7b2c\u4e8c\u6b21\u8d2d\u4e70\u540e\u7684\u8fc7\u671f\u65f6\u95f4\u662f\u6839\u636e\u7b2c\u4e8c\u6b21\u7684\u5f53\u524d\u65f6\u95f4+24 \u5c0f\u65f6\u300f\u8fd9\u6837\u7b2c\u4e00\u6b21\u8d2d\u4e70 24 \u5c0f\u65f6\u540e\uff0c\u8d2d\u4e70\u6b21\u6570\u5e76\u6ca1\u6709\u88ab\u91cd\u7f6e<\/p>\n
      \u53ef\u4ee5\u5728\u4f60\u7684\u8fd9\u4e2a\u601d\u8def\u4e0a\uff0c\u7b2c\u4e8c\u4e2a key \u62ff\u5230\u7b2c\u4e00\u4e2a\u7684\u65f6\u95f4\u6233                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : also24 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @beryl #9 
      \u6211\u8bf4\u7684\u4e0d\u80fd\u8d2d\u4e70\uff0c\u5c31\u662f\u6307\u7b2c\u4e8c\u6b21\u8d2d\u4e70\u540e\u8986\u76d6\u4e86\u8fc7\u671f\u65f6\u95f4\u3002<\/p>\n
      \u6211\u7684\u65b9\u6cd5\u91cc\uff0ckey \u662f\u5305\u542b\u4e86 timestamp \u7684\uff0c\u7b2c\u4e8c\u6b21\u8d2d\u4e70\u7684\u65f6\u5019\u8bbe\u7f6e\u7684\u662f\u53e6\u4e00\u4e2a key\uff0c\u4e0d\u5b58\u5728\u8986\u76d6\u95ee\u9898\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : beryl <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @also24 
      \u55ef\uff0c\u90a3\u6211\u7684\u65b9\u6848\u7684\u95ee\u9898\u7406\u89e3\u4e00\u81f4<\/p>\n
      \u300e key \u662f\u5305\u542b\u4e86 timestamp \u7684\uff0c\u7b2c\u4e8c\u6b21\u8d2d\u4e70\u7684\u65f6\u5019\u8bbe\u7f6e\u7684\u662f\u53e6\u4e00\u4e2a key\uff0c\u4e0d\u5b58\u5728\u8986\u76d6\u95ee\u9898\u300f
      \u5982\u679c\u7b2c\u4e00\u6b21\u8d2d\u4e70\u7684\u65f6\u5019\u662f\uff1a2021-02-26 18:00\uff0c\u8fc7\u671f\u65f6\u95f4 2021-02-27 18:00
      \u7b2c\u4e8c\u6b21\u8d2d\u4e70\u662f\uff1a2021-02-26 20:00 , \u8fc7\u671f\u65f6\u95f4 2021-02-27 20:00<\/p>\n
      \u5982\u679c\u5728 2021-02-27 18:00-20:00 \u7406\u8bba\u4e0a\u53ef\u4ee5\u8d2d\u4e70\u4e00\u6b21\uff0c\u4f46\u662f\u5176\u5b9e\u53ea\u6709\u4e00\u6b21\u673a\u4f1a\u4e86                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : myd <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @also24 \u53ef\u4ee5\u628a\u8bbe\u7f6e key \u548c\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u5206\u5f00\u3002\u5982\u679c key \u5b58\u5728\u5c31\u4e0d\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u3002\u4e3b\u8981\u662f\u4f7f\u7528\u5b57\u7b26\u4e32\uff0c\u9700\u8981\u904d\u5386\u7528\u6237\uff0c\u53d8\u6210 O(N)\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : also24 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @beryl #11 
      2021-02-27 18:00-20:00 \u7684\u65f6\u5019\uff0c\u7b2c\u4e00\u6b21\u8d2d\u4e70\u7684 key \u5df2\u7ecf\u8fc7\u671f\u4e86\u3002<\/p>\n
      \u6b64\u65f6 keys product_{product}_{user}_* \u53ea\u80fd\u67e5\u51fa 1 \u6761\u8d2d\u4e70\u8bb0\u5f55\uff0c\u6ca1\u5565\u95ee\u9898\u554a\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : thet <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   hset product_{product} {user} “qty {qty} expire {expire}”<\/p>\n
      \u503c\u5e8f\u5217\u5316\u4e00\u4e0b                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : also24 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u8fd9\u4e2a\u65b9\u6cd5\u7684\u7f3a\u70b9\u8fd8\u662f keys product_{product}_{user}_* \u7684\u6548\u7387\u6bd4\u8f83\u4f4e\uff0c\u6027\u80fd\u5dee\u3002<\/p>\n
      \u6709\u4e00\u4e2a\u4f18\u5316\u65b9\u6848\u662f\u505a\u4e00\u6b21\u526a\u679d\uff0c\u5927\u90e8\u5206\u7528\u6237\u4e0d\u5b58\u5728 24 \u5c0f\u65f6\u5185\u8d2d\u4e70\u8fc7\u5546\u54c1\uff0c\u90a3\u4e48\u6211\u4eec\u8bbe\u7f6e\u4e00\u4e2a \u300e\u7528\u6237\u662f\u5426\u5728 24 \u5c0f\u65f6\u5185\u8d2d\u4e70\u8fc7\u5546\u54c1\u300f\u7684 key \u5c31\u597d\u4e86\u3002<\/p>\n
      \u4e5f\u5c31\u662f\u6bcf\u6b21\u7528\u6237\u4ea7\u751f\u8d2d\u4e70\u884c\u4e3a\uff0c\u90fd set product_{product}_{user} timestamp expire_time \uff08\u4e0d\u8bba\u539f key \u662f\u5426\u5b58\u5728\uff0c\u90fd\u7eed\u671f 24 \u5c0f\u65f6\uff09<\/p>\n
      \u8fd9\u6837\u5bf9\u4e8e\u5927\u90e8\u5206\u7528\u6237\uff0c\u53ea\u9700\u8981\u67e5\u8be2 product_{product}_{user} \u4e0d\u5b58\u5728\uff0c\u5c31\u53ef\u4ee5\u8ba4\u4e3a\u4e0d\u5b58\u5728\u9650\u5236\u4e86\u3002<\/p>\n
      \u800c\u5bf9\u4e8e product_{product}_{user} \u5b58\u5728\u7684\u7528\u6237\uff0c\u518d\u8fdb\u884c keys product_{product}_{user}_* \u67e5\u8be2\uff0c\u786e\u8ba4\u5177\u4f53\u662f\u5426\u8d85\u8fc7\u4e86\u9650\u5236\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : dreamstart <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u6211\u89c9\u5f97\u53ef\u4ee5\u6309\u7167 key \u503c\u987a\u5e8f\u6765\u5220\u9664\u5427 \u6bd5\u7adf\u8d2d\u4e70\u8bb0\u5f55\u662f\u6309\u987a\u5e8f\u5199\u8fdb\u53bb\u7684\uff08\u5c31\u662f\u4e2a\u961f\u5217\uff09\uff0c\u6bcf\u6b21\u53ea\u770b\u961f\u5217\u5934\u7684\u65f6\u95f4\u662f\u5426\u6ee1\u8db3\u4e86 24 \u5c0f\u65f6\u5c31\u53ef\u4ee5\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : beryl <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @also24 #13<\/p>\n
      2021-02-27 18:00-20:00 \u6211\u7406\u89e3\u9700\u6c42\u8fd9\u4e2a\u65f6\u5019\u7406\u8bba\u5e94\u8be5\u53ef\u4ee5\u4e70\u4e24\u6b21\uff0c\u4f46\u662f\u53ea\u53ef\u4ee5\u4e70\u4e00\u6b21\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : beryl <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u9898\u5916\u8bdd qty \u662f\u4ec0\u4e48\u7684\u7f29\u5199                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : thet <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @beryl quantity\uff0c\u6570\u91cf\u628a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : k9982874 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u6211\u5728\u9879\u76ee\u91cc\u4f7f\u7528\u7684\u65b9\u6848\u4e8c\uff0c\u8d77\u521d\u4e5f\u662f\u4f7f\u7528\u65b9\u6848\u4e00\uff0c\u540e\u6765\u53d1\u73b0\u5f88\u96be\u7ef4\u62a4\u5185\u5bb9\u65f6\u6548\u6027\u5c31\u5207\u5230\u4e86\u65b9\u6848\u4e8c\u3002
      \u65b9\u6848\u4e00\u7684\u95ee\u9898\u5728\u4e8e\uff0c\u5982\u679c qty \u589e\u52a0\u65f6\u95f4\u6233\uff0c\u5728\u5220\u9664\u65f6\u5fc5\u987b\u628a qty \u7684\u5185\u5bb9\u4e00\u8d77\u53d6\u56de\u6765\uff0c\u5f53 qty \u672c\u8eab\u662f\u4e2a\u5f88\u5927\u7684\u5bf9\u8c61\u65f6\uff0c\u6210\u672c\u5c31\u5f88\u9ad8\u3002
      \u5982\u679c\u50cf\u4e0a\u8bf4\u7684\u589e\u52a0\u4e00\u4e2a expired set\uff0c\u5728\u67e5\u627e qty \u65f6\uff0c\u8fd8\u9700\u8981\u518d\u8bf7\u6c42\u4e00\u6b21 redis \u53d6\u51fa\u6765 expire \u503c\uff0c\u7136\u540e\u6821\u9a8c\u6570\u636e\u6709\u6548\u6027\uff0c\u4e00\u6b21\u8bf7\u6c42\u786c\u53d8\u6210\u4e24\u6b21\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : hw93 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u65b9\u6848\u4e8c\u518d\u7ef4\u62a4\u4e00\u4e2a `set product_{product} [user1, user2]`\u65b9\u4fbf\u53bb`\u5220\u9664\u6307\u5b9a\u4ea7\u54c1\u7684\u5168\u90e8\u7528\u6237\u7684\u8d2d\u4e70\u8bb0\u5f55`                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : also24 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @beryl #17 
      \u5f53\u4f60\u518d\u4e0b\u7b2c\u4e09\u4e2a\u8ba2\u5355\u7684\u65f6\u5019\uff0ckeys product_{product}_{user}_* \u5c31\u53d8\u6210 2 \u4e86\uff0c
      \u6b64\u65f6\u4f60\u518d\u60f3\u4e0b\u7b2c\u56db\u4e2a\u8ba2\u5355\uff0c\u5c31\u9700\u8981\u7b49\u7b2c\u4e8c\u4e2a\u8ba2\u5355\u8d85\u8fc7 24 \u5c0f\u65f6\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : adamwong <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u6bcf\u4e2a\u7528\u6237\u5b58\u4e24\u4e2a\u65f6\u95f4\u6233\u4e0d\u5c31\u5b8c\u4e86\uff1f\u4ee3\u7801\u91cc\u505a\u5224\u65ad
      \u53c2\u8003 golang \u7684\u4ee4\u724c\u6876\u7b97\u6cd5 time\/rate.Limiter                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : yuankui <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5220\u9664\u7684\u52a8\u4f5c\u4e0d\u9891\u7e41\u5c31 2 \u65b9\u6848\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : PiersSoCool <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u8fd9\u5c31\u662f\u4e2a\u9650\u6d41\u5668\u7684\u95ee\u9898 \u53ef\u53c2\u8003\u5f00\u6e90\u65b9\u6848                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : whileFalse <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u4e3a\u4ea7\u54c1\u6307\u5b9a\u7248\u672c\u53f7\uff0cproduct-{product}.{product.v}-{user}
      \u6e05\u7a7a\u4ea7\u54c1\u65f6\u4e0d\u505a\u6e05\u7a7a\u64cd\u4f5c\uff0c\u800c\u662f\u4ea7\u54c1\u7248\u672c\u53f7+1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : palmers <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u7b2c\u4e00\u6b21\u63d2\u5165\u7684\u65f6\u5019\u8bbe\u7f6e key \u7684\u8fc7\u671f\u65f6\u95f4 \u7b2c\u4e8c\u4f7f\u7528 incr \u4e0d\u4f1a\u6e05\u7406\u8fc7\u671f\u65f6\u95f4\uff0c \u901a\u8fc7 key \u83b7\u53d6\u503c\u5982\u679c\u6ca1\u6709\u4e86\u4e00\u5b9a\u662f\u53ef\u4ee5\u8d2d\u4e70\u7684 \u5426\u5219\u7d2f\u52a0\u4e00                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : palmers <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u54e6 \u53ef\u4ee5\u8d2d\u4e70\u7684\u65f6\u5019 \u8fd8\u6709\u5224\u65ad 2                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : night98 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   redisson\uff0c\u6709\u4e2a\u5206\u5e03\u5f0f\u5bf9\u8c61\u4f60\u53ef\u4ee5\u53c2\u8003\u4e0b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : rocky114 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5b58\u50a8\u4fe9\u4efd hset product_{product} {user} {qty}\uff0cset product_{product} expire_time                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : lldld <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5982\u679c\u201c\u6e05\u7a7a\u5e76\u91cd\u65b0\u8ba1\u7b97\u6307\u5b9a\u4ea7\u54c1\u7684\u8d2d\u4e70\u9650\u5236\u201d \u662f\u5b9e\u9645\u9700\u6c42, \u800c”\u5220\u9664\u6307\u5b9a\u4ea7\u54c1\u7684\u5168\u90e8\u7528\u6237\u7684\u8d2d\u4e70\u8bb0\u5f55”\u53ea\u662f\u4f60\u60f3\u7684\u5b9e\u73b0\u65b9\u6cd5\u7684\u8bdd, \u6211\u89c9\u5f97\u6ca1\u5fc5\u8981\u5220\u9664\u8d2d\u4e70\u8bb0\u5f55 key.<\/p>\n
      \u65b0\u589e\u4e00\u4e2a key “product_reset_<product_id>”, value \u5b58\u91cd\u7f6e\u7684\u65f6\u95f4. service \u8fd9\u8fb9\u53ef\u4ee5\u5b9a\u65f6\u66f4\u65b0(\u6bd4\u5982\u6bcf 5 \u5206\u949f)\u8fd9\u4e2a\u6570\u636e\u5b58\u5728\u5185\u5b58\u91cc\u9762, \u56e0\u4e3a\u8fd9\u4e2a\u884c\u4e3a\u5e94\u8be5\u662f\u8fd0\u8425\u6709\u8ba1\u5212\u7684, \u6240\u4ee5\u53ef\u4ee5\u8981\u6c42(\u6216\u8005\u544a\u4e4b)\u4ed6\u4eec\u81f3\u5c11\u8981\u63d0\u524d 10 \u5206\u949f\u5728\u7cfb\u7edf\u8bbe\u7f6e\u91cd\u7f6e.<\/p>\n
      \u7528\u6237\u8d2d\u4e70\u8bb0\u5f55, key “product_buy_<product_id>_<user_id>”, value \u5b58 \u8d2d\u4e70\u65f6\u95f4,\u6570\u91cf, … , \u8d2d\u4e70\u65f6\u95f4,\u6570\u91cf, \u6bcf\u6b21\u8d2d\u4e70\u5237\u65b0\u8fc7\u671f\u65f6\u95f4\u4e3a 24 \u5c0f\u65f6<\/p>\n
      \u7528\u6237\u8d2d\u4e70\u65f6, \u8bfb\u5176\u8d2d\u4e70\u8bb0\u5f55, \u5e76\u8fc7\u6ee4\u65f6\u95f4\u65e9\u4e8e\u91cd\u7f6e\u65f6\u95f4\u7684\u6570\u91cf, \u7136\u540e\u8ba1\u7b97\u662f\u5426\u53ef\u4ee5\u8d2d\u4e70, \u80fd\u8d2d\u4e70\u51e0\u4e2a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n","protected":false},"excerpt":{"rendered":"
      \u95ee\u4e2a Redis \u7684\u95ee\u9898 \u8cc7\u6df1\u5927\u4f6c…<\/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\/384747"}],"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=384747"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/384747\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=384747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=384747"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=384747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}