{"id":36697,"date":"2023-06-21T16:58:18","date_gmt":"2024-02-12T03:56:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/apache-flink-sql%e7%9a%84%e5%ae%9e%e8%b7%b5%e7%bc%96%e7%a8%8b\/"},"modified":"2024-04-30T10:01:03","modified_gmt":"2024-04-30T02:01:03","slug":"apache-flink-sql%e7%9a%84%e5%ae%9e%e8%b7%b5%e7%bc%96%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/apache-flink-sql%e7%9a%84%e5%ae%9e%e8%b7%b5%e7%bc%96%e7%a8%8b\/","title":{"rendered":"Apache Flink SQL\u7684\u5b9e\u8df5\u7f16\u7a0b"},"content":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662fApache Flink\u57fa\u7840\u6559\u7a0b\u7cfb\u5217\u7684\u4e00\u90e8\u5206\uff0c\u91cd\u70b9\u4ecb\u7ecd\u4e86\u4f7f\u75285\u4e2a\u793a\u4f8b\u6765\u5b9e\u8df5Flink SQL\u7f16\u7a0b\u3002<\/p>\n<p>\u6b64\u535a\u5ba2\u662f\u4ece\u82f1\u8bed\u7248\u7ffb\u8bd1\u800c\u6765\u3002\u60a8\u53ef\u4ee5\u5728\u6b64\u5904\u67e5\u770b\u539f\u7248\u3002\u6211\u4eec\u90e8\u5206\u4f7f\u7528\u4e86\u673a\u5668\u7ffb\u8bd1\u3002\u5982\u6709\u9519\u8bef\uff0c\u8bf7\u60a8\u6307\u6b63\uff0c\u4e0d\u80dc\u611f\u6fc0\u3002<\/p>\n<p>\u6bd4\u8d77\u5091\u514b\u00b7\u5433<\/p>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86Ververica\u7684\u5f00\u6e90sql-training\u9879\u76ee\u548c\u57fa\u4e8eFlink 1.7.2\u7684\u6559\u7a0b\u7ec3\u4e60\u3002\u901a\u8fc7Flink\u7684SQL\u7f16\u7a0b\u5b9e\u8df5\uff0c\u603b\u5171\u4f7f\u7528\u4e86\u4e94\u4e2a\u793a\u4f8b\uff0c\u4e3b\u8981\u6db5\u76d6\u4e86\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">SQL CLI\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u4f7f\u3044\u65b9\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b9\u30c8\u30ea\u30fc\u30e0\u4e0a\u3067SQL\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a6\u30a3\u30f3\u30c9\u30a6\u30a2\u30b0\u30ea\u30b2\u30fc\u30c8\u3068\u975e\u30a6\u30a3\u30f3\u30c9\u30a6\u30a2\u30b0\u30ea\u30b2\u30fc\u30c8\u3092\u5b9f\u884c\u3057\u3066\u3001\u305d\u308c\u3089\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">SQL\u3092\u4f7f\u7528\u3057\u3066Kafka\u30c7\u30fc\u30bf\u3092\u6d88\u8cbb\u3059\u308b\u65b9\u6cd5\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">SQL\u3092\u4f7f\u7528\u3057\u3066Kafka\u3068ElasticSearch\u306b\u7d50\u679c\u3092\u66f8\u304d\u8fbc\u3080\u65b9\u6cd5\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3059\u3067\u306b\u57fa\u672c\u7684\u306aSQL\u306e\u77e5\u8b58\u304c\u3042\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/ul>\n<h1>\u8425\u9020\u4e00\u4e2a\u73af\u5883\u3002<\/h1>\n<p>\u7531\u65bc\u9019\u500b\u6559\u7a0b\u662f\u57fa\u65bcDocker\u7684\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u5b89\u88dd\u5176\u4ed6\u8edf\u4ef6\u6216\u9644\u52a0\u7a0b\u5e8f\u3002\u6b64\u7df4\u7fd2\u4e0d\u4f9d\u8cf4Java\u74b0\u5883\u3001Scala\u6216IDE\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cDocker\u914d\u7f6e\u7684\u8d44\u6e90\u53ef\u80fd\u4e0d\u8db3\uff0c\u53ef\u80fd\u5bfc\u81f4Flink\u4f5c\u4e1a\u5728\u8fd0\u884c\u4e2d\u5d29\u6e83\u3002\u56e0\u6b64\uff0c\u5efa\u8bae\u5c06Docker\u5185\u7684\u8d44\u6e90\u8bbe\u7f6e\u4e3a3~4GB\uff0cCPU\u8bbe\u7f6e\u4e3a3~4\u6838\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2abe37434c4406c484e8\/8-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5728\u672c\u6b21\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Docker Compose\u6765\u5b89\u88c5\u73af\u5883\uff0c\u4ee5\u5bb9\u7eb3\u5404\u79cd\u670d\u52a1\u7684\u5bb9\u5668\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Flink SQL Client\uff1a\u30af\u30a8\u30ea\u3092\u9001\u4fe1\u3057\u3001\u7d50\u679c\u3092\u53ef\u8996\u5316\u3057\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Flink JobManager\u3068TaskManager\uff1aFlink SQL\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Apache Kafka\uff1a\u5165\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u751f\u6210\u3068\u7d50\u679c\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u66f8\u304d\u8fbc\u307f\u3002<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2abe37434c4406c484e8\/11-0.png\" alt=\"image.png\" \/><\/div>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Apache ZooKeeper: Kafka\u306e\u4f9d\u5b58\u95a2\u4fc2\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">ElasticSearch: \u7d50\u679c\u3092\u66f8\u304d\u8fbc\u3080\u3002<\/ul>\n<p>\u6709Docker Compose\u7684\u914d\u7f6e\u6587\u4ef6\u53ef\u4f9b\u4f7f\u7528\u3002\u60a8\u53ef\u4ee5\u76f4\u63a5\u4e0b\u8f7ddocker-compose.yml\u6587\u4ef6\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6253\u5f00\u547d\u4ee4\u884c\u7a97\u53e3\uff0c\u8f93\u5165\u4fdd\u5b58docker-compose.yml\u6587\u4ef6\u7684\u76ee\u5f55\uff0c\u5e76\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n<ul class=\"post-ul\">Linux &amp; MacOS\u306e\u5834\u5408<\/ul>\n<pre class=\"post-pre\"><code>docker-compose up -d\r\n<\/code><\/pre>\n<ul class=\"post-ul\">Windows<\/ul>\n<pre class=\"post-pre\"><code>set COMPOSE_CONVERT_WINDOWS_PATHS=1\r\ndocker-compose up -d\r\n<\/code><\/pre>\n<p>docker-compose\u547d\u4ee4\u4f1a\u4e3a\u6bcf\u4e2a\u5fc5\u8981\u7684\u5bb9\u5668\u542f\u52a8\u3002\u5728\u9996\u6b21\u542f\u52a8Docker\u65f6\uff0c\u5b83\u4f1a\u81ea\u52a8\u4eceDocker Hub\u4e0b\u8f7d\u955c\u50cf\uff08\u5927\u7ea62.3GB\uff09\uff0c\u8fd9\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\u3002\u4e4b\u540e\u542f\u52a8\u5c06\u975e\u5e38\u8fc5\u901f\u3002\u64cd\u4f5c\u6210\u529f\u540e\uff0c\u547d\u4ee4\u884c\u5c06\u663e\u793a\u4ee5\u4e0b\u8f93\u51fa\uff0c\u60a8\u4e5f\u53ef\u4ee5\u8bbf\u95eeFlink Web UI\u7684http:\/\/localhost:8081\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2abe37434c4406c484e8\/20-0.png\" alt=\"image.png\" \/><\/div>\n<h3>\u6267\u884cFlink SQL CLI\u5ba2\u6237\u7aef<\/h3>\n<p>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u8fdb\u5165Flink SQL CLI\u3002<\/p>\n<pre class=\"post-pre\"><code>docker-compose exec sql-client .\/sql-client.sh\r\n<\/code><\/pre>\n<p>\u6267\u884c\u6b64\u547d\u4ee4\u540e\uff0cFlink SQL CLI\u5ba2\u6237\u7aef\u5c06\u5728\u5bb9\u5668\u5185\u542f\u52a8\u3002\u7136\u540e\uff0c\u5c06\u663e\u793a\u4ee5\u4e0b\u5f62\u5f0f\u7684\u201cwelcome\u201d\u754c\u9762\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2abe37434c4406c484e8\/25-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2020-08-24 11.51.06.png\" \/><\/div>\n<h1>\u4ecb\u7ecd\u6570\u636e<\/h1>\n<p>\u4e00\u4e9b\u8868\u548c\u6570\u636e\u5df2\u7ecf\u9884\u5148\u6ce8\u518c\u5728Docker Compose\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u6267\u884c&#8221;show tables&#8221;\u6765\u67e5\u770b\u3002\u901a\u8fc7\u4f7f\u7528\u6587\u7ae0\u4e2d\u7684Rides\u8868\u6570\u636e\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u5305\u62ec\u65f6\u95f4\u548c\u5730\u70b9\u5728\u5185\u7684\u51fa\u79df\u8f66\u884c\u9a76\u8bb0\u5f55\u6570\u636e\u6d41\u3002\u60a8\u53ef\u4ee5\u6267\u884c&#8221;DESCRIBE Rides&#8221;\u547d\u4ee4\u6765\u67e5\u770b\u8868\u7684\u7ed3\u6784\u3002<\/p>\n<pre class=\"post-pre\"><code>Flink SQL&gt; DESCRIBE Rides;\r\nroot\r\n |-- rideId: Long           \/\/ Ride ID (including two records, an input and an output)\r\n |-- taxiId: Long           \/\/ Taxi ID \r\n |-- isStart: Boolean       \/\/ Start or end\r\n |-- lon: Float             \/\/ Longitude\r\n |-- lat: Float             \/\/ Latitude\r\n |-- rideTime: TimeIndicatorTypeInfo(rowtime)     \/\/ Time\r\n |-- psgCnt: Integer        \/\/ Number of passengers\r\n<\/code><\/pre>\n<p>\u6709\u5173Rides\u8868\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605training-config.yaml\u3002<\/p>\n<h1>\u4e00\u4f8b\uff1a\u8fc7\u6ee4\u5668<\/h1>\n<p>\u5047\u8bbe\u73b0\u5728\u6211\u4eec\u60f3\u8981\u67e5\u9605\u7ebd\u7ea6\u7684\u9a7e\u9a76\u8bb0\u5f55\u3002 de<\/p>\n<p>\u6ce8\u610f\uff1a\u5728Docker\u73af\u5883\u4e2d\uff0c\u9884\u5148\u5b9a\u4e49\u4e86\u4e00\u4e9b\u5185\u7f6e\u51fd\u6570\uff0c\u4f8b\u5982isInNYC(lon, lat)\u7528\u4e8e\u68c0\u67e5\u7ebd\u7ea6\u662f\u5426\u5177\u6709\u7ecf\u7eac\u5ea6\uff0c\u4ee5\u53catoAreaId(lon, lat)\u7528\u4e8e\u5c06\u7279\u5b9a\u5730\u533a\u8fdb\u884c\u8f6c\u6362\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u53ef\u4ee5\u4f7f\u7528isInNYC\u5feb\u901f\u8fc7\u6ee4\u7ebd\u7ea6\u7684\u9a7e\u9a76\u8bb0\u5f55\u3002\u5728SQL CLI\u4e2d\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\u3002<\/p>\n<pre class=\"post-pre\"><code>SELECT * FROM Rides WHERE isInNYC(lon, lat)\r\n<\/code><\/pre>\n<p>SQL CLI \u5c06\u63d0\u4ea4 SQL \u4efb\u52a1\u5230 Docker \u96c6\u7fa4\uff1b\u5b83\u4f1a\u6301\u7eed\u4ece\u6570\u636e\u6e90\uff08\u4f8b\u5982Kafka\u4e2d\u7684Rides\u6d41\uff09\u4e2d\u62c9\u53d6\u6570\u636e\uff0c\u5e76\u901a\u8fc7isInNYC\u8fdb\u884c\u5fc5\u8981\u6570\u636e\u7684\u8fc7\u6ee4\u3002\u6b64\u5916\uff0cSQL CLI \u8fdb\u5165\u53ef\u89c6\u5316\u6a21\u5f0f\uff0c\u59cb\u7ec8\u5237\u65b0\u548c\u5b9e\u65f6\u663e\u793a\u8fc7\u6ee4\u7ed3\u679c\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2abe37434c4406c484e8\/36-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2020-08-24 11.53.33.png\" \/><\/div>\n<p>\u53e6\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u8bbf\u95ee http:\/\/localhost:8081\uff0c\u6765\u786e\u8ba4 Flink \u4f5c\u4e1a\u7684\u6267\u884c\u72b6\u6001\u3002<\/p>\n<h1>\u4f8b2\uff1a\u56e2\u961f\u6c47\u603b\u3002<\/h1>\n<p>\u53e6\u4e00\u4e2a\u8981\u6c42\u662f\u8ba1\u7b97\u642d\u8f7d\u4e0d\u540c\u6570\u91cf\u4e58\u5ba2\u7684\u9a7e\u9a76\u4e8b\u4ef6\u7684\u6570\u91cf\u3002\u4f8b\u5982\uff0c\u642d\u8f7d1\u540d\u4e58\u5ba2\u7684\u9a7e\u9a76\u4e8b\u4ef6\u7684\u6570\u91cf\uff0c\u642d\u8f7d2\u540d\u4e58\u5ba2\u7684\u9a7e\u9a76\u4e8b\u4ef6\u7684\u6570\u91cf\u7b49\u7b49\u3002<\/p>\n<p>\u5728\u4e2d\u56fd\u4ee5\u672c\u5730\u8bed\u8a00\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6539\u5199\u4e3a\u4e00\u79cd\u9009\u62e9\uff1a<\/p>\n<p>\u4f7f\u7528psgCnt\u5bf9\u4e58\u5ba2\u6570\u8fdb\u884c\u5206\u7ec4\uff0c\u5e76\u4f7f\u7528COUNT(*)\u8ba1\u7b97\u6bcf\u4e2a\u7ec4\u7684\u4e8b\u4ef6\u6570\u3002\u6ce8\u610f\u5728\u5206\u7ec4\u4e4b\u524d\uff0c\u9700\u8981\u8fc7\u6ee4\u5728\u7ebd\u7ea6\u53d1\u751f\u7684\u9a7e\u9a76\u8bb0\u5f55\u6570\u636e\uff08isInNYC\uff09\u3002\u5728SQL CLI\u4e2d\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\u3002<\/p>\n<pre class=\"post-pre\"><code>SELECT psgCnt, COUNT(*) AS cnt \r\nFROM Rides \r\nWHERE isInNYC(lon, lat)\r\nGROUP BY psgCnt;\r\n<\/code><\/pre>\n<p>SQL CLI\u4e2d\u7684\u7ed3\u679c\u53ef\u89c6\u5316\u5982\u4e0b\uff1b\u7ed3\u679c\u6bcf\u79d2\u949f\u90fd\u4f1a\u53d8\u5316\uff0c\u4f46\u4e58\u5ba2\u7684\u6700\u5927\u6570\u4e0d\u53ef\u4ee5\u8d85\u8fc76\u4eba\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2abe37434c4406c484e8\/43-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2020-08-24 11.54.14.png\" \/><\/div>\n<h1>\u7b2c\u4e09\u4e2a\u4f8b\u5b50\uff1a\u5bf9 Window \u8fdb\u884c\u6c47\u603b\u3002<\/h1>\n<p>\u4e3a\u4e86\u5bf9\u7ebd\u7ea6\u7684\u4ea4\u901a\u6d41\u52a8\u8fdb\u884c\u6301\u7eed\u76d1\u63a7\uff0c\u9700\u8981\u6bcf5\u5206\u949f\u8ba1\u7b97\u6bcf\u4e2a\u533a\u57df\u8fdb\u5165\u7684\u8f66\u8f86\u6570\u91cf\u3002\u6211\u4eec\u53ea\u5173\u6ce8\u81f3\u5c11\u67095\u8f86\u8f66\u8fdb\u5165\u7684\u533a\u57df\uff0c\u5c24\u5176\u662f\u4e3b\u8981\u5173\u6ce8\u7684\u533a\u57df\u3002<\/p>\n<p>\u7531\u4e8e\u9700\u8981\u5bf9\u7a97\u53e3\u8fdb\u884c\u805a\u5408\u5904\u7406\uff08\u6bcf5\u5206\u949f\u8fdb\u884c\u4e00\u6b21\uff09\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528\u6eda\u52a8\u7a97\u53e3\u8bed\u6cd5\u3002<\/p>\n<p>\u9700\u8981\u6839\u636e\u8fdb\u5165\u6bcf\u4e2a\u533a\u57df\u7684\u8f66\u8f86\u6570\u91cf\uff0c\u6309AreaId\u8fdb\u884c\u5206\u7ec4\u3002\u5728\u5206\u7ec4\u4e4b\u524d\uff0c\u5e94\u4f7f\u7528isStart\u5b57\u6bb5\u5bf9\u8f93\u5165\u7684\u8f66\u8f86\u884c\u9a76\u8bb0\u5f55\u8fdb\u884c\u8fc7\u6ee4\uff0c\u5e76\u4f7f\u7528COUNT(*)\u6765\u8ba1\u7b97\u8f66\u8f86\u6570\u91cf\u3002<\/p>\n<p>\u8f66\u8f86\u6570\u91cf\u8d85\u8fc75\u8f86\u7684\u533a\u57df\u3002\u8fd9\u662f\u6839\u636e\u7edf\u8ba1\u503c\u4f7f\u7528SQL HAVING\u53e5\u8bbe\u7f6e\u7684\u8fc7\u6ee4\u6761\u4ef6\u3002<\/p>\n<p>\u6700\u7ec8\u67e5\u8be2\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code>SELECT \r\n  toAreaId(lon, lat) AS area, \r\n  TUMBLE_END(rideTime, INTERVAL '5' MINUTE) AS window_end, \r\n  COUNT(*) AS cnt \r\nFROM Rides \r\nWHERE isInNYC(lon, lat) and isStart\r\nGROUP BY \r\n  toAreaId(lon, lat), \r\n  TUMBLE(rideTime, INTERVAL '5' MINUTE) \r\nHAVING COUNT(*) &gt;= 5;\r\n<\/code><\/pre>\n<p>\u5f53\u4f7f\u7528SQL CLI\u6267\u884c\u67e5\u8be2\u65f6\uff0c\u53ef\u89c6\u5316\u7ed3\u679c\u5982\u4e0b\u6240\u793a\u3002\u6309\u533a\u57df\u548c\u7a97\u53e3\u7ed3\u675f\u65f6\u95f4\u7ed3\u679c\u4e0d\u4f1a\u6539\u53d8\uff0c\u4f46\u6bcf5\u5206\u949f\u4f1a\u751f\u6210\u65b0\u7684\u7a97\u53e3\u6279\u5904\u7406\u5e76\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<p>\u7531\u65bc\u5728Docker\u74b0\u5883\u4e2d\u8b80\u53d6\u6e90\u4ee3\u78bc\u800c\u5be6\u73fe\u4e8610\u500d\u7684\u901f\u5ea6\uff0c\u56e0\u6b64\u5728\u6f14\u793a\u4e2d\u6bcf30\u79d2\u6703\u751f\u6210\u4e00\u500b\u65b0\u7a97\u53e3\u7684\u6279\u8655\u7406\u7a0b\u5f0f\uff08\u76f8\u5c0d\u65bc\u5be6\u969b\u901f\u5ea6\u7684\u6bd4\u8f03\uff09\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2abe37434c4406c484e8\/53-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2020-08-24 13.05.53.png\" \/><\/div>\n<h1>Window Aggregate\u548cGroup Aggregat\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u4ece\u4f8b\u5b502\u548c\u4f8b\u5b503\u7684\u7ed3\u679c\u53ef\u4ee5\u770b\u51fa\uff0cWindow Aggregate\u548cGroup Aggregate\u6709\u660e\u663e\u7684\u533a\u522b\u3002\u4e3b\u8981\u533a\u522b\u5728\u4e8e\uff0cWindow Aggregate\u7684\u8f93\u51fa\u7ed3\u679c\u53ea\u5728\u7a97\u53e3\u7ed3\u675f\u65f6\u663e\u793a\uff0c\u5e76\u4e14\u8f93\u51fa\u7ed3\u679c\u662f\u6700\u7ec8\u503c\u4e14\u4e0d\u4f1a\u6539\u53d8\u3002\u8f93\u51fa\u6d41\u4e3aAppend\u6d41\u3002<\/p>\n<p>\u7136\u800c\uff0cGroup Aggregate\u5728\u5904\u7406\u6570\u636e\u7684\u6bcf\u4e00\u90e8\u5206\u65f6\u90fd\u4f1a\u8f93\u51fa\u6700\u65b0\u7ed3\u679c\u3002\u7ed3\u679c\u5177\u6709\u4e0e\u6570\u636e\u5e93\u5185\u6570\u636e\u76f8\u540c\u7684\u66f4\u65b0\u72b6\u6001\uff0c\u5176\u8f93\u51fa\u6d41\u662f\u66f4\u65b0\u6d41\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u533a\u522b\u662f\u7a97\u53e3\u4e0a\u6709\u6c34\u5370\u3002\u4f7f\u7528\u8be5\u529f\u80fd\uff0c\u53ef\u4ee5\u786e\u4fdd\u7a33\u5b9a\u7684\u72b6\u6001\u5927\u5c0f\uff0c\u5e76\u7cbe\u786e\u5730\u77e5\u9053\u54ea\u4e2a\u7a97\u53e3\u5df2\u8fc7\u671f\u4ee5\u6e05\u9664\u8fc7\u671f\u72b6\u6001\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5728Group Aggregate\u7684\u60c5\u51b5\u4e0b\uff0c\u7531\u4e8e\u65e0\u6cd5\u5f97\u77e5\u54ea\u4e9b\u6570\u636e\u5df2\u8fc7\u671f\uff0c\u5bfc\u81f4\u72b6\u6001\u5927\u5c0f\u53d8\u5f97\u65e0\u9650\u5927\uff0c\u56e0\u6b64\u5728\u751f\u4ea7\u73af\u5883\u4e0b\u5e76\u4e0d\u7a33\u5b9a\u3002\u56e0\u6b64\uff0c\u8bf7\u5728Group Aggregate\u7684\u4f5c\u4e1a\u4e2d\u8bbe\u7f6e\u72b6\u6001\u7684TTL\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2abe37434c4406c484e8\/59-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2020-08-24 13.08.21.png\" \/><\/div>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u6bcf\u5929\u8ba1\u7b97\u5404\u95e8\u5e97\u7684\u5b9e\u65f6PV\uff0c\u901a\u5e38\u4e0d\u4f1a\u4f7f\u7528\u524d\u4e00\u5929\u7684\u72b6\u6001\uff0c\u6240\u4ee5\u9700\u8981\u5c06TTL\u8bbe\u7f6e\u4e3a\u8d85\u8fc724\u5c0f\u65f6\u3002<\/p>\n<pre class=\"post-pre\"><code>SELECT  DATE_FORMAT(ts, 'yyyy-MM-dd'), shop_id, COUNT(*) as pv\r\nFROM T\r\nGROUP BY DATE_FORMAT(ts, 'yyyy-MM-dd'), shop_id\r\n<\/code><\/pre>\n<p>\u5982\u679cTTL\u503c\u592a\u5c0f\uff0c\u4f1a\u6e05\u9664\u6709\u7528\u7684\u72b6\u6001\u548c\u6570\u636e\uff0c\u5f15\u53d1\u6570\u636e\u51c6\u786e\u6027\u7684\u95ee\u9898\u3002\u8fd9\u4e5f\u662f\u7528\u6237\u9700\u8981\u8003\u8651\u7684\u53c2\u6570\u4e4b\u4e00\u3002<\/p>\n<h1>\u793a\u4f8b4\uff1a\u5199\u5165\u5230Kafka\u7684\u9644\u52a0\u6d41<\/h1>\n<p>\u5728\u524d\u6587\u4e2d\uff0c\u6211\u4eec\u89e3\u91ca\u4e86Window Aggregate\u548cGroup Aggregate\u7684\u533a\u522b\uff0c\u4ee5\u53caAppend Stream\u548cUpdate Stream\u7684\u533a\u522b\u3002\u5728Flink\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u66f4\u65b0\u6d41\u5199\u5165\u652f\u6301\u66f4\u65b0\u7684\u5916\u90e8\u5b58\u50a8\u7cfb\u7edf\uff0c\u5982MySQL\u3001HBase\u548cElasticSearch\u3002<\/p>\n<p>\u5c06Append\u6d41\u5199\u5165\u5230\u4efb\u610f\u7684\u5b58\u50a8\u7cfb\u7edf\u6216\u8005\u7c7b\u4f3cKafka\u7684\u65e5\u5fd7\u7cfb\u7edf\u4e2d\u662f\u53ef\u884c\u7684\u3002<\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u5c06\u201c\u6bcf10\u5206\u949f\u7684\u4e58\u5ba2\u6570\u91cf\u201d\u8fd9\u4e2a\u6570\u636e\u6d41\u5199\u5165Kafka\u3002<\/p>\n<p>Kafka \u7684\u7ed3\u679c\u8868 Sink_TenMinPsgCnts \u5df2\u7ecf\u4e8b\u5148\u5b9a\u4e49 (\u8bf7\u53c2\u8003 training-config.yaml \u83b7\u53d6\u5b8c\u6574\u8868\u5b9a\u4e49)\u3002<\/p>\n<p>\u5728\u6267\u884c\u67e5\u8be2\u4e4b\u524d\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u76d1\u89c6\u5199\u5165TenMinPsgCnts\u4e3b\u9898\u7684\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code>docker-compose exec sql-client \/opt\/kafka-client\/bin\/kafka-console-consumer.sh --bootstrap-server kafka:9092 --topic TenMinPsgCnts --from-beginning\r\n<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u5728\u6eda\u52a8\u7a97\u53e3\u4e2d\u8bb0\u5f55\u6bcf10\u5206\u949f\u7684\u4e58\u5ba2\u6570\u91cf\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528INSERT INTO Sink_TenMinPsgCnts\u547d\u4ee4\u76f4\u63a5\u5c06\u67e5\u8be2\u7ed3\u679c\u5199\u5165\u7ed3\u679c\u8868\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>INSERT INTO Sink_TenMinPsgCnts \r\nSELECT \r\n  TUMBLE_START(rideTime, INTERVAL '10' MINUTE) AS cntStart,  \r\n  TUMBLE_END(rideTime, INTERVAL '10' MINUTE) AS cntEnd,\r\n  CAST(SUM(psgCnt) AS BIGINT) AS cnt \r\nFROM Rides \r\nGROUP BY TUMBLE(rideTime, INTERVAL '10' MINUTE);\r\n<\/code><\/pre>\n<p>\u5982\u524d\u6240\u8ff0\uff0c\u5c06TenMinPsgCnts\u7684\u6570\u636e\u4e3b\u9898\u4ee5JSON\u683c\u5f0f\u5199\u5165Kafka\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2abe37434c4406c484e8\/73-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2020-08-24 13.10.35.png\" \/><\/div>\n<h1>\u5728ElasticSearch\u4e2d\u5199\u5165\u66f4\u65b0\u6d41\u3002<\/h1>\n<p>\u6700\u540e\uff0c\u5c06\u6301\u7eed\u66f4\u65b0\u7684\u66f4\u65b0\u6d41\u5199\u5165ElasticSearch (ES)\u3002\u6211\u5e0c\u671b\u5c06&#8221;\u5404\u533a\u57df\u51fa\u53d1\u6b21\u6570&#8221;\u7684\u6d41\u5199\u5165ES\u3002<\/p>\n<p>\u5728ElasticSearch\u4e2d\u5b9a\u4e49\u4e86\u7ed3\u679c\u8868Sink_AreaCnts\uff08\u6709\u5173\u8868\u7684\u5b8c\u6574\u5b9a\u4e49\uff0c\u8bf7\u53c2\u8003training-config.yaml\uff09\u3002\u8fd9\u4e2a\u8868\u53ea\u5305\u542b\u4e24\u4e2a\u5b57\u6bb5\uff1aareaId\u548ccnt\u3002<\/p>\n<p>\u540c\u6837\u5730\uff0c\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528INSERT INTO\u76f4\u63a5\u5c06\u67e5\u8be2\u7ed3\u679c\u5199\u5165\u5230Sink_AreaCnts\u8868\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>INSERT INTO Sink_AreaCnts \r\nSELECT toAreaId(lon, lat) AS areaId, COUNT(*) AS cnt \r\nFROM Rides \r\nWHERE isStart\r\nGROUP BY toAreaId(lon, lat);\r\n<\/code><\/pre>\n<p>\u5f53\u4f7f\u7528SQL CLI\u6267\u884c\u5148\u884c\u67e5\u8be2\u65f6\uff0cElasticsearch\u4f1a\u81ea\u52a8\u521b\u5efaarea-cnts\u7d22\u5f15\u3002Elasticsearch\u63d0\u4f9b\u4e86REST API\uff0c\u60a8\u53ef\u4ee5\u8bbf\u95ee\u4ee5\u4e0bURL\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">area-cnts \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8868\u793a\u3059\u308b\u306b\u306f: http:\/\/localhost:9200\/area-cnts<\/ul>\n<\/li>\n<\/ul>\n<p>area-cnts\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u7d71\u8a08\u60c5\u5831\u3092\u8868\u793a\u3059\u308b\u306b\u306f: http:\/\/localhost:9200\/area-cnts\/_stats<\/p>\n<p>area-cnts\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5185\u5bb9\u3092\u8fd4\u3059\u306b\u306f: http:\/\/localhost:9200\/area-cnts\/_search<\/p>\n<p>\u30a8\u30ea\u30a2 49791 \u306e\u8eca\u4e21\u6570\u3092\u8868\u793a\u3059\u308b\u306b\u306f: http:\/\/localhost:9200\/area-cnts\/_search?q=areaId:49791<\/p>\n<p>\u6267\u884c\u67e5\u8be2\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u67d0\u4e9b\u7edf\u8ba1\u503c\uff08_all.primaries.docs.count\u548c_all.primaries.docs.deleted\uff09\u5728\u4e0d\u65ad\u589e\u52a0\uff1ahttp:\/\/localhost:9200\/area-cnts\/_stats\u3002<\/p>\n<h1>\u7b80\u800c\u8a00\u4e4b<\/h1>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u7f16\u5199\u4e86\u4e00\u4e2a\u4f7f\u7528Docker Compose\u5feb\u901f\u5f00\u59cbFlink SQL\u7f16\u7a0b\u7684\u6307\u5357\u3002\u8fd8\u6bd4\u8f83\u4e86Window Aggregate\u548cGroup 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