{"id":7548,"date":"2026-07-31T16:29:03","date_gmt":"2026-07-31T08:29:03","guid":{"rendered":"https:\/\/i007.cc\/wordpress\/?p=7548"},"modified":"2026-07-31T16:29:03","modified_gmt":"2026-07-31T08:29:03","slug":"%e5%af%b9%e4%ba%8e%e6%b8%b8%e6%88%8f%e6%9d%a5%e8%af%b4%ef%bc%8credis%e6%9c%89%e5%93%aa%e4%ba%9b%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af%ef%bc%9f%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%e6%98%af%e4%bb%80","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/7548","title":{"rendered":"\u5bf9\u4e8e\u6e38\u620f\u6765\u8bf4\uff0credis\u6709\u54ea\u4e9b\u5e94\u7528\u573a\u666f\uff1f\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"
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Redis \u5728\u6e38\u620f\u540e\u7aef\u91cc\u51e0\u4e4e\u65e0\u5904\u4e0d\u5728\uff0c\u4f46\u4e0d\u540c\u573a\u666f\u5bf9\u5e94\u4e0d\u540c\u6570\u636e\u7ed3\u6784\uff0c\u7528\u9519\u4e86\u53cd\u800c\u5236\u9020\u95ee\u9898\u3002\u7cfb\u7edf\u8fc7\u4e00\u904d\u3002<\/p>\n

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\u4e00\u3001\u6392\u884c\u699c\uff08\u6700\u7ecf\u5178\u7684\u6e38\u620f\u573a\u666f\uff09<\/h3>\n

\u6570\u636e\u7ed3\u6784\uff1aSorted Set<\/strong><\/p>\n

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<\/div>\n<\/div>\n
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ZADD leaderboard:season:42  2850  \"player:uid_001\"\r\nZADD leaderboard:season:42  3100  \"player:uid_002\"\r\n\r\n# \u67e5\u5168\u670d\u524d 100 \u540d\uff08\u964d\u5e8f\uff09\r\nZREVRANGE leaderboard:season:42 0 99 WITHSCORES\r\n\r\n# \u67e5\u67d0\u73a9\u5bb6\u6392\u540d\uff080-indexed\uff09\r\nZREVRANK leaderboard:season:42 \"player:uid_001\"\r\n\r\n# \u67e5\u67d0\u5206\u6570\u6bb5\u7684\u73a9\u5bb6\u6570\u91cf\uff08\u7528\u4e8e\u6bb5\u4f4d\u5206\u5e03\u5206\u6790\uff09\r\nZCOUNT leaderboard:season:42 2000 3000<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong><\/p>\n
\u5168\u670d\u6392\u884c\u699c\u5355\u4e2a Sorted Set \u6700\u591a\u653e\u51e0\u767e\u4e07\u6761\uff0c\u8d85\u8fc7\u4f1a\u6709\u6027\u80fd\u95ee\u9898\u3002\u901a\u5e38\u505a\u5206\u5c42\u8bbe\u8ba1<\/strong>\uff1a<\/p>\n
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\u5b9e\u65f6\u699c\uff1aRedis Sorted Set\uff0c\u53ea\u5b58\u5f53\u524d\u8d5b\u5b63\u79ef\u5206\r\n  \u2193 \u6bcf\u5c0f\u65f6\u540c\u6b65\u4e00\u6b21\r\n\u6570\u636e\u5e93\uff1aMySQL\uff0c\u5b58\u5386\u53f2\u8d5b\u5b63\u5b8c\u6574\u6570\u636e\r\n  \r\n\u597d\u53cb\u699c\uff1a\u4e0d\u7528\u5168\u91cf\u6392\u884c\u699c\uff0c\u5728 Redis \u91cc\u53ea\u5b58\u597d\u53cb uid \u96c6\u5408\uff0c\r\n        \u7528 ZMSCORE \u6279\u91cf\u62c9\u53d6\u5404\u597d\u53cb\u5206\u6570\uff0c\u5ba2\u6237\u7aef\u672c\u5730\u6392\u5e8f<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
\u4e0d\u540c\u699c\u8981\u62c6\u5206\u4e0d\u540c key\uff0c\u4e0d\u8981\u628a\u5168\u670d\u699c\u3001\u597d\u53cb\u699c\u3001\u516c\u4f1a\u699c\u6df7\u5728\u4e00\u4e2a Sorted Set \u91cc\uff1a<\/p>\n
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leaderboard:global:season:{id}\r\nleaderboard:guild:{guild_id}:season:{id}\r\nleaderboard:weekly:{week}<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
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\u4e8c\u3001Session \u7ba1\u7406\u4e0e\u73a9\u5bb6\u5728\u7ebf\u72b6\u6001<\/h3>\n
\u6570\u636e\u7ed3\u6784\uff1aHash + String + Set<\/strong><\/p>\n
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# \u767b\u5f55 Token \u5b58\u50a8\uff08Hash \u5b58\u591a\u4e2a\u5b57\u6bb5\u6bd4\u591a\u4e2a String key \u7701\u5185\u5b58\uff09\r\nHSET session:token:{token}  uid 12345  \r\n                            device_id \"abc\"  \r\n                            login_time 1720000000\r\n                            platform \"iOS\"\r\nEXPIRE session:token:{token} 86400    # 24\u5c0f\u65f6\u8fc7\u671f\r\n\r\n# \u5728\u7ebf\u73a9\u5bb6\u96c6\u5408\uff08\u7528\u4e8e\u7edf\u8ba1 CCU\uff09\r\nSADD online:players \"uid_001\" \"uid_002\"\r\nSCARD online:players   # \u5b9e\u65f6 CCU\r\n\r\n# \u73a9\u5bb6\u6700\u540e\u6d3b\u8dc3\u65f6\u95f4\uff08\u5fc3\u8df3\u66f4\u65b0\uff09\r\nSET player:heartbeat:{uid} {timestamp} EX 60   # 60s \u65e0\u5fc3\u8df3\u89c6\u4e3a\u79bb\u7ebf<\/pre>\n
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\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong><\/p>\n
Token \u8fc7\u671f\u4e0d\u8981\u4f9d\u8d56\u5ba2\u6237\u7aef\u5220\u9664\uff0c\u4e00\u5b9a\u8981\u8bbe TTL\u3002\u5fc3\u8df3\u7528\u00a0SET EX<\/code>\u00a0\u800c\u4e0d\u662f\u00a0SET<\/code>\u00a0+\u00a0EXPIRE<\/code>\u00a0\u4e24\u6761\u547d\u4ee4\uff0c\u4fdd\u8bc1\u539f\u5b50\u6027\u3002CCU \u7edf\u8ba1\u5982\u679c\u7cbe\u5ea6\u8981\u6c42\u4e0d\u9ad8\uff0c\u7528\u00a0HyperLogLog<\/code>\u00a0\u4ee3\u66ff Set\uff0c\u5185\u5b58\u4ece O(n) \u964d\u5230\u56fa\u5b9a 12KB\uff1a<\/p>\n
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PFADD daily:active:2026-07-31  \"uid_001\" \"uid_002\"\r\nPFCOUNT daily:active:2026-07-31   # \u8fd1\u4f3c\u552f\u4e00\u7528\u6237\u6570\uff0c\u8bef\u5dee < 1%<\/pre>\n
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\u4e09\u3001\u5206\u5e03\u5f0f\u9501\uff08\u9632\u6b62\u5e76\u53d1\u95ee\u9898\uff09<\/h3>\n
\u6e38\u620f\u91cc\u6700\u5178\u578b\u7684\u573a\u666f\uff1a\u73a9\u5bb6\u540c\u65f6\u70b9\u4e24\u6b21”\u9886\u53d6\u5956\u52b1”\uff0c\u4e24\u4e2a\u8bf7\u6c42\u540c\u65f6\u5230\u8fbe\uff0c\u4e0d\u52a0\u9501\u5c31\u4f1a\u53d1\u53cc\u500d\u5956\u52b1\u3002<\/p>\n
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lua<\/div>\n
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-- Lua \u811a\u672c\u4fdd\u8bc1\u539f\u5b50\u6027\uff08SET NX + EXPIRE \u7684\u539f\u5b50\u7248\u672c\uff09\r\n-- \u52a0\u9501\r\nSET lock:reward:{uid}:{reward_id}  {request_id}  NX  EX 5\r\n\r\n-- \u89e3\u9501\uff08\u5fc5\u987b\u9a8c\u8bc1\u662f\u81ea\u5df1\u52a0\u7684\u9501\uff0c\u9632\u6b62\u8bef\u5220\u522b\u4eba\u7684\u9501\uff09\r\nif redis.call(\"GET\", KEYS[1]) == ARGV[1] then\r\n    return redis.call(\"DEL\", KEYS[1])\r\nelse\r\n    return 0\r\nend<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong><\/p>\n
\u9501\u7684 key \u8981\u5c3d\u91cf\u7ec6\u7c92\u5ea6\uff0c\u4e0d\u80fd\u7528\u5168\u5c40\u9501\u3002lock:reward:{uid}:{reward_id}<\/code>\u00a0\u53ea\u9501\u8fd9\u4e2a\u73a9\u5bb6\u7684\u8fd9\u4e2a\u5956\u52b1\uff0c\u4e0d\u5f71\u54cd\u5176\u4ed6\u73a9\u5bb6\u3002\u9501\u7684 TTL \u8bbe\u4e3a\u4e1a\u52a1\u5904\u7406\u65f6\u95f4\u7684 3 \u500d\uff0c\u4e1a\u52a1\u5931\u8d25\u8981\u4e3b\u52a8\u91ca\u653e\u9501\uff0c\u4e0d\u80fd\u5168\u9760\u8d85\u65f6\u515c\u5e95\u3002<\/p>\n
\u5bf9\u4e8e\u66f4\u9ad8\u53ef\u9760\u6027\u8981\u6c42\uff0c\u7528\u00a0Redlock \u7b97\u6cd5<\/strong>\uff08\u5411 5 \u4e2a\u72ec\u7acb Redis \u8282\u70b9\u540c\u65f6\u52a0\u9501\uff0c3 \u4e2a\u6210\u529f\u624d\u7b97\u83b7\u9501\uff09\uff0c\u9632\u6b62\u5355\u8282\u70b9\u6545\u969c\u5bfc\u81f4\u9501\u5931\u6548\u3002<\/p>\n
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\u56db\u3001\u9650\u6d41\u4e0e\u9632\u5237\uff08\u914d\u5408\u9632\u4f5c\u5f0a\uff09<\/h3>\n
\u6570\u636e\u7ed3\u6784\uff1aString\uff08\u8ba1\u6570\u5668\uff09+ Sorted Set\uff08\u6ed1\u52a8\u7a97\u53e3\uff09<\/strong><\/p>\n
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# \u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\uff1a\u6bcf\u5206\u949f\u6700\u591a\u8d2d\u4e70 10 \u6b21\r\nkey = \"rate:buy:{uid}:{minute}\"\r\ncount = INCR key\r\nif count == 1: EXPIRE key 60\r\nif count > 10: reject(\"\u64cd\u4f5c\u592a\u9891\u7e41\")\r\n\r\n# \u6ed1\u52a8\u7a97\u53e3\u9650\u6d41\uff08\u66f4\u7cbe\u786e\uff0c\u9632\u6b62\u7a97\u53e3\u8fb9\u754c\u7a81\u523a\uff09\r\nnow = current_timestamp_ms()\r\nwindow_start = now - 60000  # 60\u79d2\u7a97\u53e3\r\n\r\nZREMRANGEBYSCORE rate:action:{uid} 0 {window_start}  # \u6e05\u7406\u8fc7\u671f\u8bb0\u5f55\r\ncount = ZCARD rate:action:{uid}\r\nif count >= 10: reject()\r\nZADD rate:action:{uid} {now} {now}    # \u8bb0\u5f55\u672c\u6b21\u64cd\u4f5c\r\nEXPIRE rate:action:{uid} 60<\/pre>\n
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\u6e38\u620f\u91cc\u7684\u5178\u578b\u5e94\u7528\uff1a\u5c04\u51fb\u9891\u7387\u68c0\u6d4b\uff08\u6bcf\u79d2\u4e0d\u80fd\u8d85\u8fc7 N \u6b21\uff09\u3001\u8d2d\u4e70\u9650\u6d41\u3001\u804a\u5929\u9632\u5237\u3002<\/p>\n
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\u4e94\u3001\u7f13\u5b58\u73a9\u5bb6\u6570\u636e\uff08\u51cf\u5c11\u6570\u636e\u5e93\u538b\u529b\uff09<\/h3>\n
\u6570\u636e\u7ed3\u6784\uff1aHash\uff08\u73a9\u5bb6\u5c5e\u6027\uff09<\/strong><\/p>\n
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# \u73a9\u5bb6\u57fa\u7840\u4fe1\u606f\u7f13\u5b58\r\nHSET player:profile:{uid}\r\n     nickname \"Ronaldo99\"\r\n     level    45\r\n     vip      3\r\n     avatar   \"https:\/\/...\"\r\nEXPIRE player:profile:{uid} 3600   # 1\u5c0f\u65f6 TTL\r\n\r\n# \u8bfb\u53d6\uff08\u53ea\u53d6\u9700\u8981\u7684\u5b57\u6bb5\uff0c\u4e0d\u8981 HGETALL\uff09\r\nHMGET player:profile:{uid} nickname level<\/pre>\n
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Cache-Aside \u6a21\u5f0f\uff08\u6e38\u620f\u540e\u7aef\u6700\u5e38\u7528\uff09\uff1a<\/strong><\/p>\n
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\u8bfb\u6570\u636e\uff1a\u5148\u67e5 Redis \u2192 \u547d\u4e2d\u76f4\u63a5\u8fd4\u56de \u2192 \u672a\u547d\u4e2d\u67e5 MySQL \u2192 \u5199\u5165 Redis \u2192 \u8fd4\u56de\r\n\u5199\u6570\u636e\uff1a\u5148\u5199 MySQL\uff08\u6301\u4e45\u5316\u4f18\u5148\uff09\u2192 \u5220\u9664 Redis \u7f13\u5b58\uff08\u4e0d\u662f\u66f4\u65b0\uff01\uff09\r\n         \u2192 \u4e0b\u6b21\u8bfb\u65f6\u91cd\u5efa\u7f13\u5b58<\/pre>\n
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\u5199\u64cd\u4f5c\u5220\u7f13\u5b58\u800c\u4e0d\u662f\u66f4\u65b0\u7f13\u5b58\uff0c\u662f\u4e3a\u4e86\u9632\u6b62\u5e76\u53d1\u5199\u5bfc\u81f4\u7f13\u5b58\u548c\u6570\u636e\u5e93\u4e0d\u4e00\u81f4\u3002<\/p>\n
\u7f13\u5b58\u7a7f\u900f\u9632\u62a4\uff1a<\/strong>\u00a0\u73a9\u5bb6\u67e5\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684 uid\uff0c\u6bcf\u6b21\u90fd\u6253\u5230\u6570\u636e\u5e93\u3002\u89e3\u51b3\u65b9\u6848\uff1a\u4e0d\u5b58\u5728\u7684 key \u4e5f\u7f13\u5b58\u4e00\u4e2a\u7a7a\u503c\uff0cTTL \u8bbe\u77ed\u4e00\u70b9\uff0860s\uff09\u3002<\/p>\n
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result = db.query(uid)\r\nif result is None:\r\n    redis.set(f\"player:{uid}\", \"NULL\", ex=60)   # \u7f13\u5b58\u7a7a\u503c\r\nelse:\r\n    redis.hset(f\"player:{uid}\", result)<\/pre>\n
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\u7f13\u5b58\u96ea\u5d29\u9632\u62a4\uff1a<\/strong>\u00a0\u5927\u91cf key \u540c\u65f6\u8fc7\u671f\uff0c\u77ac\u95f4\u6253\u57ae\u6570\u636e\u5e93\u3002\u89e3\u51b3\u65b9\u6848\uff1aTTL \u52a0\u968f\u673a\u6296\u52a8\u3002<\/p>\n
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cpp<\/div>\n
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int ttl = BASE_TTL + rand() % (BASE_TTL \/ 5);   \/\/ \u00b120% \u968f\u673a\r\nredis.expire(key, ttl);<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
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\u516d\u3001\u6e38\u620f\u623f\u95f4\u4e0e\u5339\u914d\u961f\u5217<\/h3>\n
\u6570\u636e\u7ed3\u6784\uff1aHash\uff08\u623f\u95f4\u72b6\u6001\uff09+ List\/Sorted Set\uff08\u5339\u914d\u961f\u5217\uff09<\/strong><\/p>\n
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# \u6e38\u620f\u623f\u95f4\u72b6\u6001\r\nHSET room:{room_id}\r\n     state     \"waiting\"        # waiting\/playing\/ended\r\n     player1   \"uid_001\"\r\n     player2   \"uid_002\"\r\n     created   {timestamp}\r\n     map_id    5\r\nEXPIRE room:{room_id} 7200     # 2\u5c0f\u65f6\u515c\u5e95\u6e05\u7406\r\n\r\n# \u5339\u914d\u961f\u5217\uff08Sorted Set\uff0cscore = \u5165\u961f\u65f6\u95f4\u6233\uff0c\u4f18\u5148\u5339\u914d\u7b49\u5f85\u4e45\u7684\uff09\r\nZADD matchqueue:ranked:gold  {timestamp}  \"uid_001:{mmr}:{region}\"\r\n\r\n# \u53d6\u51fa\u7b49\u5f85\u6700\u4e45\u7684 N \u4e2a\u5019\u9009\u73a9\u5bb6\r\nZRANGE matchqueue:ranked:gold 0 49 WITHSCORES<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
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\u4e03\u3001Pub\/Sub \u4e0e\u8de8\u670d\u901a\u77e5<\/h3>\n
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# \u53d1\u5e03\uff1a\u5168\u670d\u516c\u544a\u3001\u6d3b\u52a8\u5f00\u59cb\u901a\u77e5\r\nPUBLISH channel:global:notice  '{\"type\":\"event_start\",\"event_id\":42}'\r\n\r\n# \u53d1\u5e03\uff1a\u7cbe\u51c6\u63a8\u9001\u7ed9\u7279\u5b9a\u73a9\u5bb6\uff08\u670d\u52a1\u5668\u95f4\u901a\u4fe1\uff09\r\nPUBLISH channel:player:{uid}   '{\"type\":\"friend_request\",\"from\":\"uid_002\"}'\r\n\r\n# \u8ba2\u9605\u65b9\uff08\u5404\u6e38\u620f\u670d\u52a1\u5668\u8282\u70b9\u76d1\u542c\uff09\r\nSUBSCRIBE channel:global:notice\r\nPSUBSCRIBE channel:player:*    # \u901a\u914d\u7b26\u8ba2\u9605<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong>\u00a0Pub\/Sub \u662f”\u53d1\u540e\u4e0d\u7ba1”\uff0c\u6d88\u606f\u4e0d\u6301\u4e45\u5316\uff0c\u8ba2\u9605\u8005\u79bb\u7ebf\u4f1a\u4e22\u6d88\u606f\u3002\u5982\u679c\u9700\u8981\u53ef\u9760\u6295\u9012\uff08\u6bd4\u5982\u79bb\u7ebf\u6d88\u606f\uff09\uff0c\u6539\u7528\u00a0Redis Stream<\/strong>\uff1a<\/p>\n
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<\/div>\n<\/div>\n
\n
# \u751f\u4ea7\u8005\uff1a\u5199\u6d88\u606f\u5230 Stream\r\nXADD notifications:{uid} * type \"friend_request\" from \"uid_002\"\r\n\r\n# \u6d88\u8d39\u8005\uff1a\u8bfb\u53d6\u672a\u6d88\u8d39\u6d88\u606f\uff0c\u652f\u6301 ACK \u786e\u8ba4\uff0c\u652f\u6301\u91cd\u653e\r\nXREADGROUP GROUP app_servers consumer1 COUNT 10 STREAMS notifications:{uid} >\r\nXACK notifications:{uid} app_servers {message_id}<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
\n
\u516b\u3001\u5ef6\u8fdf\u4efb\u52a1\u961f\u5217<\/h3>\n
\u6e38\u620f\u91cc\u5e38\u89c1\uff1a\u7b7e\u5230\u5956\u52b1\u5b9a\u65f6\u53d1\u653e\u3001\u8d5b\u5b63\u7ed3\u7b97\u3001\u9650\u65f6\u6d3b\u52a8\u5230\u671f\u5904\u7406\u3002<\/p>\n
\n
\n
<\/div>\n<\/div>\n
\n
# \u7528 Sorted Set \u5b9e\u73b0\u5ef6\u8fdf\u961f\u5217\uff0cscore = \u6267\u884c\u65f6\u95f4\u6233\r\nZADD delay:tasks  {execute_at}  '{\"type\":\"season_end\",\"season_id\":42}'\r\n\r\n# \u5b9a\u65f6\u8f6e\u8be2\uff08\u6bcf\u79d2\u6267\u884c\u4e00\u6b21\uff09\r\ntasks = ZRANGEBYSCORE delay:tasks 0 {now} LIMIT 0 100\r\nfor task in tasks:\r\n    process(task)\r\n    ZREM delay:tasks task<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
\n
\u4e5d\u3001\u5e38\u89c1\u5751\u4e0e\u6700\u4f73\u5b9e\u8df5\u603b\u7ed3<\/h3>\n
Key \u547d\u540d\u89c4\u8303<\/strong><\/p>\n
\n
\n
<\/div>\n<\/div>\n
\n
{\u4e1a\u52a1}:{\u5bf9\u8c61}:{id}:{\u5b50\u9879}\r\n\r\nplayer:profile:uid_001\r\nroom:state:room_42\r\nleaderboard:season:5:global\r\nrate:buy:uid_001:2026073114    # \u5e26\u65f6\u95f4\u7a97\u53e3<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
\u5192\u53f7\u5206\u9694\uff0c\u5c42\u6b21\u6e05\u6670\uff0cRedis Cluster \u6309 hash slot \u5206\u7247\u65f6\u53ef\u4ee5\u7528\u00a0{uid_001}<\/code>\u00a0\u82b1\u62ec\u53f7\u9501\u5b9a hash tag\uff0c\u4fdd\u8bc1\u540c\u4e00\u73a9\u5bb6\u7684 key \u5728\u540c\u4e00\u4e2a slot\u3002<\/p>\n
\u7edd\u5bf9\u7981\u6b62\u7684\u64cd\u4f5c<\/strong><\/p>\n
KEYS *<\/code>\u00a0\u5728\u751f\u4ea7\u73af\u5883\u662f\u707e\u96be\uff0c\u4f1a\u963b\u585e\u6574\u4e2a Redis\u3002\u7528\u00a0SCAN<\/code>\u00a0\u66ff\u4ee3\uff1a<\/p>\n
\n
\n
<\/div>\n<\/div>\n
\n
SCAN 0 MATCH player:* COUNT 100<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
HGETALL<\/code>\u00a0\u5728 Hash \u5b57\u6bb5\u5f88\u591a\u65f6\u4ee3\u4ef7\u9ad8\uff0c\u53ea\u53d6\u9700\u8981\u7684\u5b57\u6bb5\u7528\u00a0HMGET<\/code>\u3002<\/p>\n
\u5927 Value \u8981\u62c6\u5206\uff0c\u5355\u4e2a Value \u8d85\u8fc7 10KB \u5c31\u8981\u8003\u8651\u62c6\u5206\u6216\u538b\u7f29\uff0c\u8d85\u8fc7 1MB \u57fa\u672c\u4e0a\u4e0d\u5e94\u8be5\u5b58 Redis\u3002<\/p>\n
\u5185\u5b58\u7ba1\u7406<\/strong><\/p>\n
\u6240\u6709 key \u90fd\u8981\u8bbe TTL\uff0c\u6e38\u620f\u91cc\u6ca1\u6709\u7406\u7531\u8ba9\u6570\u636e\u6c38\u4e45\u5b58\u5728 Redis\u2014\u2014\u70ed\u6570\u636e\u6700\u7ec8\u90fd\u4f1a\u4ece\u6570\u636e\u5e93\u91cd\u5efa\u3002\u5b9a\u671f\u7528\u00a0INFO memory<\/code>\u00a0\u548c\u00a0MEMORY USAGE {key}<\/code>\u00a0\u76d1\u63a7\u5185\u5b58\u4f7f\u7528\u3002<\/p>\n
\u6301\u4e45\u5316\u7b56\u7565<\/strong><\/p>\n
\n
\n
<\/div>\n<\/div>\n
\n
\u6392\u884c\u699c\u3001\u5339\u914d\u961f\u5217\uff1aRDB \u5373\u53ef\uff08\u5141\u8bb8\u5c11\u91cf\u6570\u636e\u4e22\u5931\uff09\r\n\u8ba2\u5355\u3001\u9501\u3001\u5173\u952e\u72b6\u6001\uff1aAOF + fsync always\uff08\u6bcf\u6b21\u5199\u90fd\u843d\u76d8\uff0c\u6700\u5b89\u5168\uff09\r\n\u7f13\u5b58\u7c7b\u6570\u636e\uff1a\u4e0d\u9700\u8981\u6301\u4e45\u5316\uff0c\u91cd\u542f\u4ece DB \u91cd\u5efa<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n
\u6e38\u620f\u670d\u52a1\u5668\u901a\u5e38\u5bf9 Redis \u7684\u5b9a\u4f4d\u662f”\u53ef\u91cd\u5efa\u7684\u9ad8\u901f\u7f13\u5b58 + \u534f\u8c03\u5c42”\uff0c\u771f\u6b63\u4e0d\u80fd\u4e22\u7684\u6570\u636e\u8981\u8fdb MySQL\uff0cRedis \u6302\u6389\u4e0d\u80fd\u5f71\u54cd\u6570\u636e\u6b63\u786e\u6027\u3002<\/p>\n
\n
\u9762\u8bd5\u65f6\u5982\u679c\u88ab\u95ee”Redis \u5728\u4f60\u4eec\u9879\u76ee\u91cc\u600e\u4e48\u7528”\uff0c\u6700\u6709\u8bf4\u670d\u529b\u7684\u56de\u7b54\u662f\u9009\u4e00\u4e2a\u4f60\u6df1\u5ea6\u53c2\u4e0e\u8fc7\u7684\u573a\u666f\uff08\u6bd4\u5982\u6392\u884c\u699c\u6216\u5206\u5e03\u5f0f\u9501\uff09\uff0c\u8bf4\u6e05\u695a\uff1a\u9047\u5230\u4e86\u4ec0\u4e48\u95ee\u9898\uff0c\u4e3a\u4ec0\u4e48\u9009\u8fd9\u4e2a\u6570\u636e\u7ed3\u6784\uff0c\u8e29\u8fc7\u4ec0\u4e48\u5751\uff0c\u6700\u540e\u600e\u4e48\u4f18\u5316\u7684\u3002\u8fd9\u6bd4\u628a\u516b\u4e2a\u573a\u666f\u90fd\u6cdb\u6cdb\u4e00\u63d0\u8981\u6709\u529b\u5f97\u591a\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
Redis \u5728\u6e38\u620f\u540e\u7aef\u91cc\u51e0\u4e4e\u65e0\u5904\u4e0d\u5728\uff0c\u4f46<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[24],"tags":[],"class_list":["post-7548","post","type-post","status-publish","format-standard","hentry","category-value_docs"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/7548","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=7548"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/7548\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=7548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=7548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=7548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}