{"id":10006826,"date":"2022-11-07T22:55:20","date_gmt":"2022-11-07T14:55:20","guid":{"rendered":"https:\/\/ityet.com\/?p=10006826"},"modified":"2022-11-07T22:55:20","modified_gmt":"2022-11-07T14:55:20","slug":"%e8%81%8a%e8%81%8a%e6%97%a5%e5%bf%97%e7%a1%ac%e6%89%ab%e6%8f%8f%ef%bc%8c%e9%98%bf%e9%87%8c-log-scan-%e7%9a%84%e8%ae%be%e8%ae%a1%e4%b8%8e%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006826","title":{"rendered":"\u804a\u804a\u65e5\u5fd7\u786c\u626b\u63cf\uff0c\u963f\u91cc Log Scan \u7684\u8bbe\u8ba1\u4e0e\u5b9e\u8df5"},"content":{"rendered":"<p>\u7b80\u4ecb\uff1a\u00a0SLS \u65b0\u63a8\u51fa Scan \u529f\u80fd\uff0c\u8ba9\u672a\u7d22\u5f15\u7684\u5b57\u6bb5\u4e5f\u652f\u6301\u641c\u7d22\uff08\u786c\u626b\u63cf\u6a21\u5f0f\uff09\uff0c\u8282\u7701\u5168\u91cf\u7d22\u5f15\u4ea7\u751f\u7684\u6784\u5efa\u548c\u5b58\u50a8\u8d39\u7528\uff0c\u540c\u65f6 Scan 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Loki\uff0c\u5176\u4e3b\u8981\u601d\u60f3\u662f\u7528\u201cLabel Index + \u66b4\u529b\u641c\u7d22\u201d\u6765\u89e3\u51b3\u5927\u89c4\u6a21\u65e5\u5fd7\u67e5\u8be2\u95ee\u9898\uff0c\u5b58\u50a8\u81a8\u80c0\u6bd4\u4f8b\u5f88\u4f4e\u3002ClickHouse\uff1a\u4ee5\u5217\u5f0f\u5b58\u50a8\u4e3a\u57fa\u7840\uff0c\u9009\u914d\u7a00\u758f\u7d22\u5f15\uff0c\u7528\u9ad8\u6027\u80fd\u7684\u7b97\u5b50\u5b9e\u73b0\uff0c\u4e5f\u88ab\u7528\u4e8e\u4e00\u4e9b\u65e5\u5fd7 Scan \u641c\u7d22\u573a\u666f\u3002\u65e5\u5fd7\u670d\u52a1\u5bf9\u5ba2\u6237\u9700\u6c42\u7684\u601d\u8003\u963f\u91cc\u4e91\u65e5\u5fd7\u670d\u52a1\uff08SLS\uff09\u00a0\u4e3a Log\/Metric\/Trace \u7b49\u6570\u636e\u63d0\u4f9b\u5927\u89c4\u6a21\u3001\u4f4e\u6210\u672c\u3001\u5b9e\u65f6\u7684\u5e73\u53f0\u5316\u670d\u52a1\uff0c\u662f\u76ee\u524d\u56fd\u5185\u9886\u5148\u7684\u65e5\u5fd7\u5957\u4ef6\u4ea7\u54c1\u3002SLS 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\u4e94\u4e2a\u5b57\u6bb5\uff0c\u751a\u81f3\u4e00\u4e9b\u884c\u7684\u5185\u5bb9\u5b57\u6bb5\u65e0\u6cd5\u786e\u5b9a\u3002\u9762\u5bf9\u5982\u6b64\u5f31 schema \u65e5\u5fd7\uff0c\u57fa\u4e8e\u5b57\u6bb5\u7d22\u5f15\u65b9\u6848\uff0c\u5f88\u96be\u5728\u4e00\u5f00\u59cb\u628a\u6240\u6709\u7684\u7d22\u5f15 key \u679a\u4e3e\u5b8c\u6574\uff0c\u5bfc\u81f4\u5728\u67e5\u8be2\u65f6\u627e\u4e0d\u5230\u6570\u636e\u3002\u6ce8\uff1a\u867d\u7136 SLS \u63d0\u4f9b\u7d22\u5f15\u91cd\u5efa\u529f\u80fd\uff0c\u8fd9\u4e00\u8fc7\u7a0b\u8f83\u8017\u65f6\u4e5f\u82b1\u8d39\u6210\u672c\uff0c\u5e94\u5bf9 schema 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\u529f\u80fd\uff0c\u8ba9\u672a\u7d22\u5f15\u7684\u5b57\u6bb5\u4e5f\u652f\u6301\u641c\u7d22\uff08\u786c\u626b\u63cf\u6a21\u5f0f\uff09\uff0c\u8282\u7701\u5168\u91cf\u7d22\u5f15\u4ea7\u751f\u7684\u6784\u5efa\u548c\u5b58\u50a8\u8d39\u7528\uff0c\u540c\u65f6 Scan \u7684\u8fd0\u884c\u65f6\u8ba1\u7b97\u6a21\u5f0f\u5bf9\u4e8e\u6742\u4e71\u7ed3\u6784\u7684\u65e5\u5fd7\u6570\u636e\u6709\u66f4\u597d\u7684\u9002\u914d\uff0c\u5e2e\u52a9\u4f01\u4e1a\u5ba2\u6237\u5b9e\u73b0\u6570\u5b57\u5316\u589e\u6548\u3001IT \u652f\u51fa\u964d\u672c\u7684\u76ee\u6807\u3002SLS Scan \u80fd\u529b\u8bbe\u8ba1\u6cbf\u4e3b\u5e72\u6811\u52a0\u201c\u6280\u80fd\u201d\u70b9Grafana Loki \u5728 2019 \u5e74\u63d0\u51fa\u533a\u522b\u4e8e ES \u7684\u65e5\u5fd7\u67e5\u8be2\u65b9\u6848\uff0c\u662f Scan \u65b9\u5f0f\u5b9e\u73b0\u65e5\u5fd7\u641c\u7d22\u548c\u4f4e\u9891\u5206\u6790\u7684\u4f18\u79c0\u4ee3\u8868\u3002\u5176\u53d1\u5c55\u81f3\u4eca\u5b58\u50a8 schema \u5df2\u7ecf\u6f14\u5316\u81f3 v11\uff0c\u76ee\u524d\u4ecd\u5b58\u5728\u4e00\u4e9b\u5f71\u54cd\u5927\u89c4\u6a21\u751f\u4ea7\u90e8\u7f72\u7684\u8bbe\u8ba1\u9650\u5236\uff1aLabel cardinality \u95ee\u9898\uff1aLabel \u662f\u8981\u505a\u7d22\u5f15\u7684\uff0c\u5982\u679c\u503c\u7684\u57fa\u6570\u8fc7\u5927\uff0c\u7d22\u5f15\u81a8\u80c0\u4e0d\u53ef\u907f\u514d\uff0c\u9ebb\u70e6\u7684\u662f\u4f1a\u5f15\u8d77\u6765\u4e00\u7cfb\u5217\u4e0d\u53ef\u7528\u95ee\u9898\uff0c\u4f8b\u5982\u6570\u636e\u65e0\u6cd5\u5199\u5165\uff0c\u67e5\u8be2\u5931\u8d25\uff08\u9ed8\u8ba4 500 series\uff09\u3002Label Index \u5bf9\u573a\u666f\u9002\u5e94\u6027\uff1aLabel \u8fc7\u6ee4\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u52a0\u901f\uff0c\u4f46\u8bbe\u7f6e\u4e0d\u7075\u6d3b\u4e14\u6709\u9650\u5236\uff0c\u6309\u975e Label \u5b57\u6bb5\u641c\u7d22\u65f6\u53ef\u80fd\u4ece chunk \u91cc\u8bfb\u53d6\u5927\u91cf\u6570\u636e\uff0c\u5bf9\u4e8e\u5bf9\u8c61\u5b58\u50a8\u7684\u5e26\u5bbd\u8981\u6c42\u5f88\u9ad8\u3002\u8bfb\u53d6\u5168\u91cf\u7ed3\u679c\u5f88\u56f0\u96be\uff1aLoki \u7684\u8ba1\u7b97\u8fc7\u7a0b\u662f\u901a\u8fc7 Label index \u505a\u5e03\u5c14\u8fd0\u7b97\u547d\u4e2d chunk \u6587\u4ef6\u5217\u8868\uff0c\u5c06\u6240\u6709 chunk \u8bfb\u53d6\u5230\u5185\u5b58\u8ba1\u7b97\u6392\u5e8f\u8f93\u51fa\uff0c\u9650\u5236\u4e00\u6b21\u67e5\u8be2\u7ed3\u679c\u6761\u6570\u622a\u65ad 5000\uff0c\u8fd9\u4e2a\u9650\u5236\u65e0\u6cd5\u901a\u8fc7\u7ffb\u9875\u7ed5\u8fc7\uff0c\u56e0\u5176\u6ca1\u6709\u5b58\u50a8\u4e0a\u5b9e\u73b0\u7ec6\u7c92\u5ea6 offset \u673a\u5236\u3002\u56de\u5230 SLS \u4e0a\uff0c\u76ee\u524d\u5e7f\u6cdb\u91c7\u7528\u7684\u7d22\u5f15\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u79cd\u7c7b\u4f3c Elasticsearch \u7684\u81ea\u7814\u9ad8\u6027\u80fd\u5b9e\u73b0\u3002\u6570\u636e\u5982\u679c\u672a\u5efa\u7d22\u5f15\uff0c\u201c\u6c11\u95f4\u201d\u7684 Scan \u89e3\u51b3\u65b9\u6848\u662f\u201cSLS + Consumer\u201d\uff0c\u6bd4\u5982\u8fd9\u4e2a Consumer \u662f Flink\uff0c\u5ba2\u6237\u4ed8\u51fa SLS \u8bfb\u6570\u636e\u7684\u7f51\u7edc\u6d41\u91cf\u3001Flink \u96c6\u7fa4\u8ba1\u7b97 CU \u7684\u6210\u672c\uff0c\u4e5f\u53ef\u4ee5\u8fdb\u884c Scan\uff08\u56e0\u7f3a\u5c11\u5b58\u50a8\u4e0b\u63a8\u652f\u6301\uff0c\u5927\u6570\u636e\u91cf\u4e0b\u8017\u65f6\uff09\u3002SLS \u539f\u751f Scan \u80fd\u529b\u8bbe\u8ba1\u7684\u9996\u8981\u539f\u5219\u662f\u8865\u9f50\u77ed\u677f\u5e76\u7ee7\u7eed\u53d1\u6325\u957f\u5904\uff1aSLS \u662f\u65e5\u5fd7\u4e2d\u67a2\uff0c\u5bf9\u63a5\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u6e90\uff08\u5199\u5165\u652f\u6301\u53cb\u597d\uff1a\u7aef\u591a\u3001\u541e\u5410\u5927\u3001schema \u7075\u6d3b\uff09\u548c\u4e0b\u6e38\u7cfb\u7edf\uff08\u6570\u636e\u5f00\u653e\uff09\u3002Scan \u4e13\u6ce8\u5728\u8ba1\u7b97\u4e0a\uff0c\u8865\u9f50\u672a\u7d22\u5f15\u5b57\u6bb5\u4e0d\u80fd\u641c\u7d22\u7684\u77ed\u677f\uff0c\u4e0d\u80fd\u5f15\u5165\u7c7b\u4f3c Loki \u7684\u5199\u5165\u9650\u5236\u3002SLS \u5168\u7d22\u5f15\u6280\u672f\u5728\u8fc7\u53bb\u63d0\u4f9b O(1) \u7684\u590d\u6742\u5ea6\u9ad8\u6027\u80fd\u67e5\u8be2\uff0c\u800c Scan \u4f9d\u8d56\u9ad8\u5e26\u5bbd\u6570\u636e\u6d41\u8f6c\uff08\u53ef\u80fd 99.9% \u5728\u8fd0\u7b97\u540e\u88ab\u8fc7\u6ee4\u6389\uff09\u3002Scan \u4e0e SLS \u7d22\u5f15\u505a\u7ed3\u5408\u5219\u5e26\u6765\u597d\u5904\uff1a\u5c11\u91cf\u7d22\u5f15\u4e3a Scan \u63d0\u4f9b\u5b58\u50a8\u4e0b\u63a8\u80fd\u529b\uff0c\u5e76\u4e14\u53ef\u4ee5\u7075\u6d3b\u9009\u62e9\u54ea\u4e9b\u5b57\u6bb5\u505a\u7d22\u5f15\u3002SLS Scan \u5e94\u63d0\u4f9b\u5b8c\u6574\u7ed3\u679c\u83b7\u53d6\u80fd\u529b\uff0c\u5355\u6b21\u7684 Scan \u7ef4\u62a4\u5728 Shard \u5b58\u50a8\u7684\u8ba1\u7b97\u70b9\u4f4d\uff0c\u591a\u4e2a Shard \u95f4\u5904\u7406\u8fdb\u5ea6\u505a\u534f\u540c\u6765\u8fdb\u884c\u7ffb\u9875\u3002\u6700\u540e\uff0cScan \u529f\u80fd\u7684\u52a0\u5165\u4e0d\u80fd\u6253\u7834\u4e91\u670d\u52a1\u5bf9\u6bd4\u81ea\u5efa\u5f00\u6e90\u8f6f\u4ef6\u7684\u4e00\u8d2f\u4f18\u52bf\uff1aServerelss\uff08\u6309\u91cf\u4ed8\u8d39\uff09\u3001\u5168\u6258\u7ba1\uff08\u514d\u8fd0\u7ef4\uff09\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755986\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u7efc\u4e0a\uff0cScan \u662f\u5728 SLS \u5b58\u50a8\u3001\u751f\u6001\u8fd9\u9897\u6811\u4e0a\u53d1\u5c55\u51fa\u6765\u7684\u65b0\u80fd\u529b\u3002\u5b58\u50a8\u3001\u8ba1\u7b97\u7684\u65b0\u62fc\u56fe\u89e3\u6784 SLS \u7684\u5b58\u50a8\u6709\u4ee5\u4e0b\u573a\u666f\u7ec6\u5206\uff1a\u529f\u80fd\u573a\u666f\u7ef4\u5ea6\uff1a\u6807\u51c6\u578b\uff08Standard Logstore\uff09\u3001\u67e5\u8be2\u6027\uff08Query Logstore\uff09\u3002\u6570\u636e\u6a21\u578b\u7ef4\u5ea6\uff1aLog\/Trace \u5b58\u50a8\u3001\u65f6\u5e8f\u6307\u6807\u5b58\u50a8\u3002\u65f6\u6548\u5b58\u50a8\u7ef4\u5ea6\uff1a\u70ed\u5b58\u50a8\u3001\u51b7\u5b58\u50a8\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755987\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u5173\u4e8e\u67e5\u8be2\u3001\u5206\u6790\u7684\u8ba1\u7b97\u6a21\u5f0f\uff1aScan \u6a21\u5f0f\u4e0d\u5f15\u5165\u4f9d\u8d56\uff0c\u4e0d\u4fb5\u5165\u5b58\u50a8\u6a21\u578b\u8ba1\u7b97\u662f\u89e3\u8026\u4e8e\u7edf\u4e00\u5b58\u50a8\uff08 Log\/Metric\/Trace\uff09\u4e4b\u4e0a\u7684\u4e00\u5c42\uff0cSLS \u4e0a\u5e94\u7528\u6700\u591a\u7684\u662f\u5f3a schema \u6a21\u578b\u505a\u5feb\u901f\u8ba1\u7b97\uff0cScan \u6a21\u5f0f\u662f\u65b0\u589e\u7684\u9009\u9879\uff0c\u65e0\u8bba\u4f7f\u7528\u4e0e\u5426\u4e0d\u5e94\u4e0e\u5176\u5b83\u7ec4\u4ef6\u51b2\u7a81\u3002Scan \u6a21\u5f0f\u590d\u7528\u65e5\u5fd7\u5b58\u50a8\u7684\u7ec6\u5206\u4e00\u662f\u573a\u666f\u5206\u5c42\uff1aQuery \u89c4\u683c Logstore \u9762\u5411\u7a0b\u5e8f\u65e5\u5fd7\u641c\u7d22\u3001\u77ed\u5468\u671f\u5b58\u50a8\uff0c\u5728\u76f8\u540c\u7684\u8d39\u7528\u4e0b\u53ef\u5f00\u542f\u66f4\u591a\u7684\u7d22\u5f15\u5b57\u6bb5\uff1bStandard Logstore \u652f\u6301\u641c\u7d22\u4ee5\u53ca\u9ad8\u6027\u80fd\u7684\u7edf\u8ba1\u5206\u6790\u3002Scan \u652f\u6301\u4e86\u5168\u90e8\u8fd9\u4e24\u79cd\u89c4\u683c\u7684 Logstore\u3002\u53e6\u4e00\u4e2a\u662f\u51b7\u70ed\u5206\u5c42\uff1a\u5b58\u50a8\u5468\u671f\u8d85\u8fc7 30 \u5929\u7684\u51b7\u5b58\u50a8\u53ef\u4ee5\u8f6c\u4e3a\u51b7\u5b58\u964d\u4f4e 56% \u5b58\u50a8\u8d39\u7528\uff0c\u800c\u65e0\u8bba\u662f\u70ed\u5b58\u6216\u51b7\u5b58\uff0c\u63d0\u4f9b\u540c\u6837\u7684 Scan \u6027\u80fd\u8868\u73b0\u3002Scan \u6a21\u5f0f\u57fa\u4e8e event_time \u6a21\u578b\u5b58\u50a8SLS \u5728 pub\/sub \u573a\u666f\u4e0b\u652f\u6301\u7684\u662f receive_time \u5b58\u50a8\u6a21\u578b\uff0c\u5373\u6309\u7167\u6570\u636e\u5230\u8fbe\u670d\u52a1\u7aef\u65f6\u95f4\u987a\u5e8f\u5b58\u50a8\u3001\u6d88\u8d39\u8ba1\u7b97\u3002\u5728\u641c\u7d22\u3001\u5206\u6790\u573a\u666f\uff0c\u6309\u4e1a\u52a1\u65f6\u95f4\uff08event_time\uff09\u5904\u7406\u662f\u5929\u7136\u7684\u9700\u6c42\u3002\u8bd5\u60f3\u65e5\u5fd7\u5230\u8fbe\u670d\u52a1\u7aef\u8fdf\u5230\u7684\u573a\u666f\uff0c\u901a\u8fc7 receive_time \u6a21\u578b\u83b7\u53d6\u5b8c\u6574\u7ed3\u679c\u5f15\u5165\u66f4\u5927\u7684\u4ee3\u4ef7\uff08\u8bfb\u53d6\u653e\u5927\uff09\u3002Loki \u57fa\u4e8e event_time \u6a21\u578b\u6784\u5efa chunk \u5206\u6bb5\uff0c\u5bf9\u8fc7\u671f\u5f88\u4e45\u7684\u65e5\u5fd7\u5199\u5165\u652f\u6301\u662f\u4e0d\u8db3\u7684\uff0c\u4f9d\u8d56 LSM tree\u3001\u540e\u53f0\u5408\u5e76\u7b49\u673a\u5236\u3002SLS Scan \u9009\u62e9\u4e0e\u7d22\u5f15\uff08\u652f\u6301 10+MB\/s \u5355 Shard \u5199\u5165\u80fd\u529b\uff09\u76f8\u7ed3\u5408\u7684\u8bbe\u8ba1\uff0c\u901a\u8fc7\u7d22\u5f15\u4e0b\u63a8\u3001\u534f\u7a0b\u5316 IO\u3001\u5206\u9875\u5904\u7406\u4f7f\u7528\u6237\u4eab\u53d7\u5230 event_time \u6a21\u578b\u7684\u5e26\u6765\u7684\u4fbf\u5229\u6027\uff0c\u540c\u65f6\u5728\u6027\u80fd\u8868\u73b0\u4e0a\u53d6\u5f97\u5e73\u8861\u3002\u201c\u4e09\u7ea7\u706b\u7bad\u201d\u8ba1\u7b97\u52a0\u901f<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755988\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>Scan \u8bed\u6cd5\u5b9a\u4e49\u4e3a\u4e24\u6bb5\u5f0f\uff1a{Index Query} | {Scan Query: where &lt;bool_expression&gt;}\uff0c\u7ba1\u9053\u7b26\u540e\u662f SQL \u8bed\u6cd5 where \u5b50\u53e5\u3002Scan \u8bbe\u8ba1\u4e3a\u4e09\u6bb5\u5f0f\u5de5\u4f5c\u673a\u5236\uff1aL1\uff1a\u6309\u65f6\u95f4\u505a\u8fc7\u6ee4\u65f6\u95f4\u662f\u5929\u7136\u7684\u65e5\u5fd7\u4e3b\u952e\uff0c\u4f8b\u5982\u5b58\u50a8\u5468\u671f 30 \u5929 100 TB \u7684\u6570\u636e\uff0c\u67e5\u8be2\u65f6\u95f4\u7a97\u53e3\u9009\u62e9\u4e3a\u6700\u8fd1 6 \u5c0f\u65f6\uff0c\u5219\u6570\u636e\u91cf\u7f29\u51cf\u5230 1 TB\u3002\u4e14\u65f6\u95f4\u8fc7\u6ee4\u53ea\u9700\u8981\u6839\u636e\u7d22\u5f15\uff08\u65f6\u95f4\u5b57\u6bb5\u5f15\u5165\u7684\u81a8\u80c0\u6bd4\u4f4e\u5230\u53ef\u5ffd\u7565\uff09\u3001meta skip \u5c31\u53ef\u4ee5\u5feb\u901f\u5b8c\u6210\u3002L2\uff1a\u6309\u4e1a\u52a1\u5b57\u6bb5\u505a\u8fc7\u6ee4\u8fd9\u91cc\u6240\u8bf4\u7684\u4e1a\u52a1\u5b57\u6bb5\u53ef\u7406\u89e3\u4e3a Loki \u7684 Label \u6982\u5ff5\uff0c\u4f46\u66f4\u4e3a\u7075\u6d3b\uff0c\u53ef\u4ee5\u5728\u65e5\u5fd7\u5230\u8fbe SLS \u4e4b\u540e\u518d\u81ea\u7531\u9009\u62e9\u3002\u4e00\u822c\u662f\u9009\u62e9\u53ef\u7f29\u5c0f\u4e0b\u4e00\u6b65\u641c\u7d22\u8303\u56f4\u6216\u662f\u88ab\u9ad8\u9891\u8bbf\u95ee\u7684\u5b57\u6bb5\uff0c\u4f8b\u5982 K8s \u65e5\u5fd7\u53ef\u4ee5\u5c06 namespace\u3001image\u3001node hostname\u3001log path \u8bbe\u7f6e\u7d22\u5f15\u3002\u80fd\u5339\u914d\u4e1a\u52a1\u67e5\u8be2\u9700\u6c42\u7684\u5b57\u6bb5\u7d22\u5f15\uff0c\u5c06\u5927\u5927\u5730\u964d\u4f4e\u9700\u8981\u786c\u626b\u63cf\u7684\u6570\u636e\u91cf\uff0c\u964d\u4f4e\u626b\u63cf\u8d39\u7528\u548c\u54cd\u5e94\u5ef6\u8fdf\u3002L3\uff1a\u786c\u626b\u63cf\u505a\u8fc7\u6ee4\u5728\u7d22\u5f15\u547d\u4e2d\u7684\u7ed3\u679c\u96c6\u4e0a\u505a\u6700\u540e\u7684\u786c\u8ba1\u7b97\uff0cSLS Scan \u7528 C++ \u5b9e\u73b0\u907f\u514d\u6027\u80fd\u8868\u73b0\u5728\u6570\u636e\u89c4\u6a21\u4e0a\u6da8\u540e\u8870\u51cf\uff08Loki \u53d7 GC \u5f71\u54cd\uff09\uff0c\u90e8\u5206\u9ad8\u9891\u7b97\u5b50\u505a\u5411\u91cf\u5316\u52a0\u901f\u3002\u53e6\u5916\uff0cSLS Scan \u4f7f\u7528\u4e00\u4e2a\u5927\u7684\u8ba1\u7b97\u6c60\uff08\u51e0\u767e\u53f0 x86 \u591a\u6838\u670d\u52a1\u5668\uff09\u6765\u7206\u53d1\u7b97\u529b\uff0c\u8ba1\u7b97\u7684\u5e76\u53d1\u5ea6\u6309\u7167 Logstore\uff08\u65e5\u5fd7\u5e93\uff09\u7684 Shard\uff08\u5b58\u50a8\u5206\u7247\uff09\u6570\u6c34\u5e73\u6269\u5c55\u3002SLS Scan \u529f\u80fd\u4ecb\u7ecd\u53ef\u89c6\u5316\u4ea4\u4e92\u5982\u679c\u5bf9 Grafana Loki \u548c ClickHouse \u5728\u65e5\u5fd7\u65b9\u6848\u4e0a\u505a\u4e00\u4e2a\u5bf9\u6bd4\uff0cClickHouse \u77ed\u677f\u4e4b\u4e00\u662f UI \u548c\u4f7f\u7528\u4e60\u60ef\u79bb\u65e5\u5fd7\u5de5\u5177\u8ddd\u79bb\u6bd4\u8f83\u8fdc\u3002\u7528\u6237\u9700\u9762\u5bf9 SQL Editor \u505a\u8f93\u5165\uff0c\u6539\u8bed\u53e5\u505a offset\/limit \u7ffb\u9875\uff0c\u770b\u4e0d\u5230\u65e5\u5fd7\u7edf\u8ba1\u56fe\uff0c\u6ca1\u6709\u9009\u53d6\u3001\u8df3\u8f6c\u7b49\u4ea4\u4e92\u652f\u6301\uff0c\u4ee5\u4e0a\u79cd\u79cd\u8868\u660e\u4e86\u65e5\u5fd7\u67e5\u8be2\u5de5\u5177 UI \u5bf9\u4e8e\u5de5\u4f5c\u6548\u7387\u7684\u5f71\u54cd\u3002\u9488\u5bf9\u65e5\u5fd7 Scan \u573a\u666f\uff0cSLS \u5728 UI \u65b0\u7279\u6027\u4e0a\u7684\u5339\u914d\u5305\u62ec\uff1aScan \u6a21\u5f0f\u5f00\u5173\u72ec\u7acb\u5f00\u5173\u8868\u660e\u5f53\u524d\u7684\u67e5\u8be2\u6a21\u5f0f\uff1a\u65b0\u652f\u6301 schema-on-read \u80fd\u529b\uff08\u65e0\u9700\u9884\u5148\u6784\u5efa\u7d22\u5f15)\uff0cScan \u90e8\u5206\u9700\u6309\u6d41\u91cf\u8ba1\u8d39\uff0c\u67e5\u8be2\u5ef6\u8fdf\u5c06\u4f1a\u589e\u52a0\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755989\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>Scan \u7ffb\u9875\u4e0e\u5feb\u8fdb\u6307\u5b9a\u65f6\u95f4\u8303\u56f4\u5185\u5982\u679c\u547d\u4e2d\u5927\u91cf\u65e5\u5fd7\uff0c\u9700\u901a\u8fc7\u7ffb\u9875\u673a\u5236\u5b9e\u73b0\u8fed\u4ee3\u83b7\u53d6\uff0c\u5728\u67f1\u72b6\u56fe\u4e0a\u6d45\u8272\u90e8\u5206\u662f\u901a\u8fc7\u7d22\u5f15\u8fc7\u6ee4\u540e\u7684\u5019\u9009\u7ed3\u679c\uff0c\u672c\u6b21 Scan \u7ffb\u9875\u8ba1\u7b97\u6240\u8986\u76d6\u7684\u6570\u636e\u90e8\u5206\u901a\u8fc7\u6df1\u8272\u67f1\u72b6\u56fe\u6765\u5c55\u793a\uff0c\u6bcf\u4e00\u6b21\u7ffb\u9875\u64cd\u4f5c\u4f34\u968f\u7740\u6df1\u8272\u67f1\u72b6\u56fe\u7684\u5e73\u79fb\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755990\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>Scan \u8ba1\u7b97\u7ed3\u5408\u591a\u79cd\u56e0\u7d20\uff08\u5355\u6b21\u626b\u63cf\u8d39\u7528\u53ef\u9884\u4f30\u3001\u8fd1\u4ea4\u4e92\u5f0f\u4f53\u9a8c\uff09\u8003\u8651\u8bbe\u8ba1\u4e86\u505c\u6b62\u6761\u4ef6\uff0c\u5f53\u8ba1\u7b97\u8d85\u65f6\u6216\u547d\u4e2d\u9884\u8bbe\u7ed3\u679c\u6570\u91cf\u6216\u626b\u63cf\u8d85\u8fc7\u9884\u8bbe\u6570\u636e\u91cf\u540e\uff0c\u5c06\u7ed3\u675f\u672c\u6b21 Scan \u626b\u63cf\uff0c\u6b64\u65f6\u53ef\u80fd\u65e0\u7ed3\u679c\u8fd4\u56de\u3002\u4e00\u6b21 Scan \u672a\u67e5\u5230\u7ed3\u679c\uff0c\u4e0d\u80fd\u4ee3\u8868\u6574\u4e2a\u65f6\u95f4\u6bb5\u5185\u6ca1\u6709\u6570\u636e\uff08\u5c24\u5176\u662f\u5927\u89c4\u6a21\u6570\u636e\u4e0b\u7684\u7a00\u758f\u547d\u4e2d\u573a\u666f\uff0c\u4f8b\u5982\u67e5\u8be2 RequestId\uff09\uff0cSLS \u63d0\u4f9b\u4e00\u4e2a\u5feb\u8fdb\u6309\u94ae\u00a0&gt;&gt;&gt;\u00a0\u5e2e\u52a9\u5feb\u901f\u8df3\u8fc7\u7a7a\u7ed3\u679c\u7684 Scan \u7ffb\u9875\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755991\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>Scan \u67e5\u8be2\u7ed3\u679c\u9875\u6709\u7ed3\u679c\u547d\u4e2d\u7684\u60c5\u51b5\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755992\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u65e0\u7ed3\u679c\u547d\u4e2d\u7684\u60c5\u51b5\uff08\u5c55\u793a\uff1a\u8fdb\u5ea6\u3001\u5de5\u4f5c\u673a\u5236\u3001\u8bed\u6cd5 tips\uff09\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755993\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u67e5\u8be2\u80fd\u529b\u6269\u5c55Scan \u7684\u641c\u7d22\uff08\u8fc7\u6ee4\uff09\u80fd\u529b\u76f8\u8f83\u4e8e\u7ecf\u5178\u7684\u641c\u7d22\u8bed\u53e5\uff08\u5e03\u5c14\u7ec4\u5408\u3001\u7b49\u4e8e\u3001\u4e0d\u7b49\u4e8e\u3001\u524d\u7f00\uff09\uff0c\u6269\u5c55\u4e86\u66f4\u591a\u7684\u7b97\u5b50\u652f\u6301\u3002\u4f8b\u5982\u4ee5\u4e0b\u590d\u6742\u573a\u666f\u53ef\u4ee5\u5728 Scan \u6a21\u5f0f\u5b8c\u6210\uff1aJSON \u5b57\u6bb5\u63d0\u53d6\uff1a\u4e00\u6574\u6761\u65e5\u5fd7\u662f\u4e00\u4e2a json \u7ed3\u6784\uff0c\u53ef\u4ee5\u901a\u8fc7 json_extract_scalar \u51fd\u6570\u89e3\u6790\u505a\u7279\u5b9a\u8282\u70b9\u503c\u5339\u914d\u3002\u5b57\u7b26\u4e32\u51fd\u6570\u3001\u6b63\u5219\u51fd\u6570\uff1a\u901a\u8fc7\u5404\u7c7b\u51fd\u6570\u9884\u5904\u7406\u5f97\u5230\u4e00\u4e2a\u4e34\u65f6\u7ed3\u679c\u5b57\u7b26\u4e32\u505a\u5339\u914d\u3002\u6a21\u7cca\u5339\u914d\uff1a%\u7b97\u5b50\u53ef\u4ee5\u652f\u6301\u4efb\u610f\u7684\u524d\u7f00\u3001\u540e\u7f00\u7b49\u5339\u914d\u6a21\u5f0f\u3002\u7c7b\u578b\u8f6c\u6362\uff1a\u901a\u8fc7 cast \u8fd0\u7b97\u7b26\u53ef\u4ee5\u5bf9\u5b57\u7b26\u4e32\u7c7b\u578b\u505a\u8f6c\u6362\uff0c\u4f8b\u5982\u57fa\u4e8e\u4e24\u4e2a\u5b57\u6bb5\u8f6c\u4e3a int \u505a\u52a0\u6cd5\u540e\u7684\u7ed3\u679c\u7b5b\u9009\u3002Scan \u641c\u7d22\u8fc7\u7a0b\u662f\u5206\u9875\u3001\u4ea4\u4e92\u5f0f\u7684\uff0c\u4e00\u662f\u4fdd\u8bc1\u4e86\u5355\u6b21\u626b\u63cf\u7684\u54cd\u5e94\u5ef6\u8fdf\uff0c\u6a21\u62df\u4eba\u770b\u65e5\u5fd7\u7684\u4e60\u60ef\uff08grep | head -n {number}\uff09\uff0c\u4e8c\u662f\u51cf\u5c11\u4e0d\u5408\u7406\u7684\u67e5\u8be2\u8bed\u53e5\u6d88\u8017\u8fc7\u591a\u8d44\u6e90\u800c\u4ea7\u751f\u8d39\u7528\u7684\u6d6a\u8d39\u7684\u60c5\u51b5\u3002\u8d39\u7528\u6a21\u578bScan \u90e8\u5206\u7684\u8ba1\u7b97\u6d88\u8017\u6bd4\u7d22\u5f15\u8981\u5927\u5f97\u591a\uff0c\u56e0\u6b64\u4f1a\u6709\u8f83\u9ad8\u7684\u5ef6\u8fdf\uff08\u5355\u6b21\u79d2\u7ea7\u522b\uff09\uff0cSLS \u4e5f\u5c06\u5bf9\u626b\u63cf\u90e8\u5206\u7684\u6d41\u91cf\u6536\u53d6\u8d39\u7528\u3002\u76f8\u6bd4\u4e8e Loki \u9884\u7559\u673a\u5668\u5b9e\u4f8b\u7684\u6210\u672c\uff0cSLS Scan \u6309\u9700\u5bf9\u626b\u63cf\u6d41\u91cf\u8ba1\u8d39\u66f4\u6709\u5229\u4e8e\u5199\u591a\u8bfb\u5c11\u573a\u666f\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755994\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u529f\u80fd\u3001\u8d39\u7528\u3001\u6027\u80fd\u4e09\u89d2\u662f\u4e00\u4e2a trade-off\uff0cScan \u4e0d\u662f\u94f6\u5f39\uff0c\u5e94\u5408\u7406\u4f7f\u7528\u3002\u5b9e\u8df5\u539f\u5219\u5982\u4e0b\uff1a\u5982\u679c\u6570\u636e\u5df2\u7ecf\u5efa\u7acb\u4e86\u5168\u6587\u7d22\u5f15\u6216\u5bf9\u5168\u90e8\u5b57\u6bb5\u5efa\u7acb\u4e86\u7d22\u5f15\uff1a\u4e00\u822c\u60c5\u51b5\u4e0b\u4e0d\u5e94\u518d\u4f7f\u7528 Scan \u6a21\u5f0f\uff0c\u76f4\u63a5\u7528\u7d22\u5f15\u5373\u53ef\uff08\u65e0\u8d44\u6e90\u6d88\u8017\u4e0d\u6536\u8d39\uff0c\u4e14\u66f4\u5feb\uff09\u3002\u8d39\u7528\u4e0a\uff0c\u5e94\u8003\u8651\u6570\u636e\u8bfb\u5199\u6bd4\u4f8b\uff1a\u4ece\u6d41\u91cf\u770b\uff0c\u5efa\u7d22\u5f15\u5bf9\u6bd4 Scan \u7684\u5355\u4ef7\u6bd4\u662f 7 \u6bd4 1\uff1b\u540c\u65f6\u9700\u8003\u8651\u5efa\u7d22\u5f15\u4ea7\u751f\u7684\u989d\u5916\u5b58\u50a8\u8d39\u7528\uff0c\u4ee5\u53ca\u67e5\u8be2\u65f6\u5c11\u91cf\u7d22\u5f15\u4e0b\u63a8\u53ef\u51cf\u5c11 Scan \u6d41\u91cf\u3002\u4e00\u822c\u5efa\u8bae\u5199\u5bf9\u8bfb\uff08\u67e5\u8be2\uff09\u6d41\u91cf\u6bd4\u4f8b\u5927\u4e8e 50:1 \u7684\u6570\u636e\u53ef\u8003\u8651\u4f7f\u7528 Scan \u6a21\u5f0f\u3002\u6548\u7387\u4e0a\uff0c\u5bf9\u4e8e\u4e00\u4e9b\u91cd\u578b\u4f7f\u7528\u573a\u666f\uff08\u4f8b\u5982\u5de5\u5355\u6392\u67e5\uff0c\u6bcf\u5929\u9700\u6570\u767e\u6b21\u5728\u4ebf\u7ea7\u65e5\u5fd7\u4e0a\u641c\u7d22\uff09\u63a8\u8350\u7d22\u5f15\u6a21\u5f0f\uff0c\u4e1a\u52a1\u529f\u80fd\u9009\u578b\u90fd\u5e94\u4ee5\u63d0\u6548\u964d\u672c\u4e3a\u51fa\u53d1\u70b9\u3002SLS Scan \u573a\u666f\u5b9e\u8df5\u4f20\u7edf grep \u4e0a\u4e91\u573a\u666f\u4e3e\u4f8b\u4e00\u79cd\u8001\u4e1a\u52a1\u573a\u666f\uff1a\u4f01\u4e1a\u5c06\u65e5\u5fd7\u6587\u4ef6\u505a logrotate\uff0c\u5386\u53f2\u6570\u636e\u538b\u7f29\u653e\u7f6e\u5728\u4e91\u76d8\uff08\u5757\u5b58\u50a8\uff09\u4e0a\uff0c\u6309\u7b49\u4fdd\u8981\u6c42\u7559\u5b58\u51e0\u4e2a\u6708\u540e\u5b9a\u671f\u5220\u9664\uff1b\u65e5\u5fd7\u67e5\u8be2\u8fc7\u7a0b\u662f\u627e\u5230\u76ee\u5f55\uff08\u57fa\u4e8e\u65f6\u95f4\u3001\u4e1a\u52a1\uff09\u3001\u6587\u4ef6\u540d\uff0c\u6267\u884c grep\/zgrep \u5355\u673a\u67e5\u627e\u3002SLS \u65e5\u5fd7\u5b58\u50a8\u65b9\u6848\u5982\u4e0b\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755995\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u65b9\u6848\u6548\u679c\u5982\u4e0b\uff1a\u901a\u8fc7\u9ad8\u6027\u80fd\uff0810% CPU \u5904\u7406 2~10 MB\/s\uff09\u91c7\u96c6\u5668\uff08Logtail\uff09\u5c06\u65e5\u5fd7\u5b9e\u65f6\u91c7\u96c6\u5230\u65e5\u5fd7\u5e93\u5b58\u50a8\uff0c\u91c7\u96c6\u5bf9\u4e1a\u52a1\u65e0\u4fb5\u5165\uff0c\u65e0\u9700\u6539\u9020\u7a0b\u5e8f\u3002SLS \u65e5\u5fd7\u5b58\u50a8\u652f\u6301\u51b7\u3001\u70ed\u5206\u5c42\uff0c\u8d85\u8fc7 30 \u5929\u540e\u8f6c\u4e3a\u51b7\u5b58\uff0c\u51b7\u5b58\u5355\u4ef7\u662f\u9ad8\u6548\u4e91\u76d8\u7684 50%\u3002SLS \u65e5\u5fd7\u5b58\u50a8\u652f\u6301\u6309 TTL \u81ea\u52a8\u5220\u9664\u65e7\u6570\u636e\uff0c\u4e5f\u652f\u6301\u6570\u636e\u8f6c\u50a8 OSS \u957f\u5468\u671f\u5b58\u50a8\uff0c\u65e0\u9700\u8fd0\u7ef4\u3002SLS Scan \u652f\u6301\u5bf9\u5b58\u50a8\u7684\u70ed\u3001\u51b7\u5206\u5c42\u6570\u636e\u8fdb\u884c\u786c\u626b\u63cf\u641c\u7d22\uff0c\u67e5\u627e\u5ef6\u8fdf\u5927\u5927\u4f4e\u4e8e\u5355\u673a\u5f62\u5f0f\u7684\u89e3\u538b\u7f29\u540e grep\u3002\u5199\u591a\u67e5\u5c11\u7684\u964d\u672c\u573a\u666f\u4e3e\u4f8b\u5728\u7a0b\u5e8f\u65e5\u5fd7\u67e5\u8be2\u3001Debug \u573a\u666f\u4e0b\uff1a\u5f53\u524d\u5f00\u542f SLS 100% \u6570\u91cf\u7684\u7d22\u5f15\u5b57\u6bb5\uff0c\u7ecf\u8fc7\u4e1a\u52a1\u5224\u65ad\uff0c\u5b57\u6bb5\u4f7f\u7528\u4e0a\u6709\u660e\u663e\u7684\u7279\u5f81\uff0c99% \u65f6\u5019\u53ea\u7528\u5230\u5176\u4e2d 20% \u7684\u5b57\u6bb5\uff0c\u5e0c\u671b\u5408\u7406\u4f7f\u7528\u964d\u4f4e\u4e00\u4e9b\u65e5\u5fd7\u7684 IT \u652f\u51fa\u3002\u5047\u8bbe\u65e5\u5fd7\u6709 10 \u4e2a\u5b57\u6bb5\uff08\u7b80\u5316\u7406\u89e3\uff0c\u6bcf\u4e2a\u5b57\u6bb5\u7684 key\/value \u957f\u5ea6\u76f8\u540c\uff09\uff0c\u5206\u522b\u662f key_0\/key_1\/&#8230;\/key_9\uff0c\u5176\u4e2d key_0\/key_1 \u662f\u88ab\u7ecf\u5e38\u4f7f\u7528\u5230\u7684\uff0c\u90a3\u4e48\u57fa\u4e8e Scan \u65b9\u6848\u53ef\u5927\u5e45\u964d\u4f4e\u4f7f\u7528\u6210\u672c\u3002\u4e0b\u8868\u5bf9\u6bd4\u65b9\u6848\u524d\u540e\u4f18\u5316\u6548\u679c\uff1a\u6bcf\u5929\u65e5\u5fd7\u589e\u91cf 1 TB\u3002\u5b58\u50a8\u5468\u671f 7 \u5929\u3002\u65e5\u5fd7\u6b63\u6587\u7684\u538b\u7f29\u7387 6\u3002key_2\/&#8230;\/key_9 \u662f\u4f4e\u9891\u8bbf\u95ee\uff0c\u5047\u8bbe\u6bcf\u5929\u7d22\u5f15\u8fc7\u6ee4\u540e Scan \u6d41\u91cf\u5360\u539f\u6587\u6d41\u91cf 10%\u3002\u4ee5\u4e2d\u56fd\u7ad9\u5217\u8868\u4ef7\u8ba1\u7b97\u3002\u00a0100% \u7d22\u5f15\u65b9\u684820% \u7d22\u5f15 + Scan \u65b9\u6848\u7d22\u5f15\u914d\u7f6e\u5168\u6587\u7d22\u5f15\uff1a\u5f00\u542f\u5b57\u6bb5\u7d22\u5f15\uff1akey_0\/key_1\/&#8230;\/key_9\u5168\u6587\u7d22\u5f15\uff1a\u5173\u95ed\u5b57\u6bb5\u7d22\u5f15\uff1akey_0\/key_1\u5199\u5165\u6d41\u91cf\uff08\u7f51\u7edc\uff090.17 TB\/day0.17 TB\/day\u7d22\u5f15\u6d41\u91cf1 TB\/day0.2 TB\/day\u7d22\u5f15\u5b58\u50a8\u91cf7 TB1.4 TB\u539f\u6587\u5b58\u50a8\u91cf\uff08\u538b\u7f29\uff091.19 TB1.19 TBScan \u6d41\u91cf00.17 TB\/day\u5355\u65e5\u8d39\u7528\uffe5486.18\uffe5142.21\u5bf9 key_0 \u67e5\u8be2\u7d22\u5f15\u6a21\u5f0f\uff1akey_0: value_0_x\u67e5\u8be2\u5ef6\u8fdf\uff1a100 ms ~ seconds\u7d22\u5f15\u6a21\u5f0f\uff1akey_0: value_0_x\u67e5\u8be2\u5ef6\u8fdf\uff1a100 ms ~ seconds\u5bf9 key_9 \u67e5\u8be2\u7d22\u5f15\u6a21\u5f0f\uff1akey_0: value_0_x and key_9: value_9_x\u67e5\u8be2\u5ef6\u8fdf\uff1a100 ms ~ secondsScan \u6a21\u5f0f\uff1akey_0: value_0_x | where key_9 = &#8216;value_9_x&#8217;\u67e5\u8be2\u5ef6\u8fdf\uff08\u5355\u6b21\uff09\uff1a1~60 seconds\u00a0\u4e0d\u5b9a schema \u573a\u666f\u4e3e\u4f8b\u65e5\u5fd7\u5e93\u7684\u6570\u636e\u5b57\u6bb5\u9891\u7e41\u53d8\u5316\u7684\u60c5\u51b5\uff0c\u53ef\u80fd\u662f\uff1aK8s \u5fae\u670d\u52a1\u591a\u4e2a\u5e94\u7528\u7684\u5bb9\u5668\u65e5\u5fd7\u6536\u96c6\u5230\u4e00\u4e2a\u65e5\u5fd7\u5e93\u91cc\u3002\u4e1a\u52a1\u5347\u7ea7\u540e\uff0c\u7a0b\u5e8f\u65e5\u5fd7\u5b57\u6bb5\u53d1\u751f\u53d8\u66f4\u3002\u901a\u8fc7\u81ea\u63cf\u8ff0\u683c\u5f0f\u6253\u5370\u51fa\u6765\u7684\u65e5\u5fd7\uff0c\u5728\u65e5\u5fd7\u4ea7\u751f\u65f6\u5b57\u6bb5\u5373\u4e0d\u786e\u5b9a\uff08\u4f8b\u5982 JSON \u6253\u5370\uff09\u3002\u7a0b\u5e8f\u5728\u6253\u5370\u65e5\u5fd7\u65f6\uff0c\u6709 20 \u4e2a\u5b57\u6bb5\u662f\u4e00\u5b9a\u5b58\u5728\uff0c\u8fd8\u6709 20 \u79cd\u5b57\u6bb5\u662f\u53ef\u9009\u7684\u3002\u7b49\u7b49\u4ee5\u4e0a\u60c5\u51b5\u53d1\u751f\u65f6\uff0c\u901a\u8fc7\u56fa\u5b9a schema \u65b9\u5f0f\u67e5\u8be2\u3001\u5206\u6790\u8f83\u4e3a\u56f0\u96be\uff1a\u9700\u5728\u4e0a\u7ebf\u524d\u4ed4\u7ec6\u8bc4\u4f30\u5b57\u6bb5\u53d8\u5316\uff0c\u63d0\u524d\u544a\u77e5\u8fd0\u7ef4\u4eba\u5458\u53d8\u66f4\u65e5\u5fd7\u5e93\u7d22\u5f15 schema\uff0c\u6574\u4f53\u534f\u8c03\u6210\u672c\u9ad8\uff0c\u5f80\u5f80\u6709\u9057\u6f0f\u3002\u5b57\u6bb5\u8fc7\u591a\uff08\u767e\u7ea7\u522b\uff09\u65f6\uff0c\u5bf9\u4f4e\u9891\u5b57\u6bb5\u914d\u7f6e\u7d22\u5f15\u7684\u53ef\u64cd\u4f5c\u6027\u5927\u5927\u964d\u4f4e\uff0c\u4f8b\u5982\uff1a\u5217\u6570\u91cf\u7684\u914d\u7f6e\u51fa\u73b0\u74f6\u9888\uff0c\u751a\u81f3\u51fa\u73b0\u4e00\u4e9b\u5b57\u6bb5\u540c\u540d\u4f46\u662f\u7c7b\u578b\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u5efa\u8bae\u65b9\u6848\uff1a\u4e1a\u52a1\u4e0a\u660e\u786e\u89c4\u5212\u7684\u65e5\u5fd7\u5b57\u6bb5\u3001\u9ad8\u9891\u4f7f\u7528\u7684\u65e5\u5fd7\u5b57\u6bb5\u8bbe\u7f6e\u7d22\u5f15\uff0c\u660e\u786e\u7c7b\u578b\uff0c\u67e5\u8be2\u3001\u5206\u6790\u65f6\u57fa\u4e8e\u7d22\u5f15\u3001\u5217\u5b58\u3002\u5176\u5b83\u7684\u4f4e\u9891\u65e5\u5fd7\u5b57\u6bb5\u6216\u4e0d\u660e\u786e\u7684\u5b57\u6bb5\uff0c\u4e0d\u914d\u7f6e\u7d22\u5f15\uff0c\u67e5\u8be2\u9700\u6c42\u901a\u8fc7 Scan \u5728\u8fd0\u884c\u65f6\u5b8c\u6210\u8ba1\u7b97\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042755996\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u539f\u6587\u94fe\u63a5\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=OEfhPXrz325gjq9MgDb4Rg%3D%3D.xV3ZlJxlIcjKxsYczZ0L%2FT3wkruvZa0asA1vuHOIVqP48S%2FF4hf3Etqbf%2BXE%2BOiP\" rel=\"nofollow\">https:\/\/click.aliyun.com\/m\/10&#8230;<\/a>\u672c\u6587\u4e3a\u963f\u91cc\u4e91\u539f\u521b\u5185\u5bb9\uff0c\u672a\u7ecf\u5141\u8bb8\u4e0d\u5f97\u8f6c\u8f7d\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042755984\">https:\/\/segmentfault.com\/a\/1190000042755984<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb\uff1a\u00a0SLS \u65b0\u63a8\u51fa Scan \u529f\u80fd\uff0c\u8ba9\u672a\u7d22\u5f15\u7684\u5b57\u6bb5\u4e5f\u652f\u6301\u641c\u7d22\uff08\u786c\u626b\u63cf\u6a21\u5f0f\uff09\uff0c\u8282\u7701\u5168\u91cf\u7d22\u5f15\u4ea7\u751f\u7684\u6784\u5efa\u548c\u5b58\u50a8\u8d39 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10006826","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006826"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006826\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}