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\u7f13\u5b58\u96ea\u5d29<\/h3>\n\n\n\n

redis\u7684\u70ed\u70b9\u6570\u636e\uff0c\u5e38\u5e38\u662f\u901a\u8fc7\u5b9a\u65f6\u4efb\u52a1\u6765\u5237\u65b0\u7684\uff0c\u53ef\u80fd\u4f1a\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff0c\u540c\u4e00\u65f6\u95f4\uff0c\u5927\u9762\u79ef\u7684\u70ed\u70b9\u6570\u636e\u5931\u6548\uff0c\u91cd\u65b0\u62c9\u53d6\u3002\u5bfc\u81f4\u6570\u636e\u5e93\u538b\u529b\u589e\u5927\uff0c\u5b95\u673a\u3002<\/p>\n\n\n\n

\u8981\u9632\u6b62\u540c\u4e00\u65f6\u95f4\u7684\u5927\u91cf\u7f13\u5b58\u6570\u636e\u5931\u6548\uff0c\u53ef\u4ee5\u7f13\u5b58\u65f6\u95f4\u5728\u4e0a\u4e00\u4e2a\u968f\u673a\u503c\u7684\u65b9\u5f0f\u6765\u505a\u3002<\/p>\n\n\n\n

setRedis\uff08Key\uff0cvalue\uff0ctime + Math.random() * 10000\uff09<\/p>\n\n\n\n

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\u7f13\u5b58\u7a7f\u900f<\/h3>\n\n\n\n

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\u9ad8\u7ea7\u73a9\u6cd5\u662f\u4f7f\u7528\u5e03\u9686\u8fc7\u6ee4\u5668<\/strong><\/em>\uff0chash\u503c\u52a0\u8f7d\u5230redis\u4e2d\uff0c\u5b58\u5728\u7684\u653e\u884c\u3002\u5e03\u9686\u8fc7\u6ee4\u5668\u7684\u539f\u7406\u662f\uff0c\u4f7f\u7528\u4e00\u4e2abitmap\uff0c\u9ed8\u8ba4\u6bcf\u4e2akey\u7684\u503c\u90fd\u662f0\uff0c\u591a\u6b21hash\u7b97\u6cd5\u5904\u7406\uff0c\u5c06\u6bcf\u6b21hash\u7b97\u6cd5\u5f97\u5230\u7684index\u7684\u503c\u6539\u4e3a1\u3002\u5339\u914d\u7684\u65f6\u5019\uff0c\u7531\u4e8e\u5b58\u5728hash\u51b2\u7a81\uff0c\u591a\u6b21hash\u7ed3\u679c\u90fd\u547d\u4e2d\u7684\uff0c\u662f\u53ef\u80fd\u5b58\u5728\u7684\u6570\u636e\uff0c\u53ea\u8981\u6709\u4e00\u6b21\u65e0\u6cd5\u547d\u4e2d\u7684\uff0c\u5c31\u662f\u4e0d\u5b58\u5728\u7684\u6570\u636e\u3002\u6211\u4eec\u53ea\u7ba1\u53ef\u80fd\u5b58\u5728\u7684\u6570\u636e\uff0c\u653e\u5230\u7f13\u5b58\u4e2d\uff0c\u5148\u8bbf\u95ee\u8fd9\u4e2a\u8fc7\u6ee4\u5668\uff0c\u5b58\u5728\u7684\u5728\u5230redis\u4e2d\u627e\u6570\u636e\uff0c\u6ca1\u6709\u7684\u5230db\u4e2d\u627e\uff0c\u518d\u5b58\u5230redis\u3002\u53ef\u80fd\u8fd8\u662f\u4f1a\u6709\u5c11\u90e8\u5206\u5f02\u5e38\u6570\u636e\u901a\u8fc7\uff0c\u8fd9\u4e2a\u65e0\u5173\u7d27\u8981\u3002<\/p>\n\n\n\n

\u7f13\u5b58\u51fb\u7a7f<\/h4>\n\n\n\n

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<\/p>\n","protected":false},"excerpt":{"rendered":"

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