{"id":47392,"date":"2023-08-23T01:32:35","date_gmt":"2023-09-21T23:42:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e5%85%a5%e9%97%a8%e7%ba%a7%e5%88%ab%e3%80%91apachespark%e5%9f%ba%e7%a1%80%e6%95%99%e7%a8%8b-sparkstreaming\/"},"modified":"2024-04-30T19:41:55","modified_gmt":"2024-04-30T11:41:55","slug":"%e3%80%90%e5%85%a5%e9%97%a8%e7%ba%a7%e5%88%ab%e3%80%91apachespark%e5%9f%ba%e7%a1%80%e6%95%99%e7%a8%8b-sparkstreaming","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e5%85%a5%e9%97%a8%e7%ba%a7%e5%88%ab%e3%80%91apachespark%e5%9f%ba%e7%a1%80%e6%95%99%e7%a8%8b-sparkstreaming\/","title":{"rendered":"\u3010\u5165\u95e8\u7ea7\u522b\u3011ApacheSpark\u57fa\u7840\u6559\u7a0b-SparkStreaming"},"content":{"rendered":"<p>\u4e0a\u4e00\u6b21\u662f\u5728\u8fd9\u91cc\u3002<br \/>\nhttps:\/\/qiita.com\/SHA_AKA\/items\/f57cbe11b208282103e3<br \/>\n\u5728\u57fa\u7840\u7f16\u8f91\u7684\u6700\u540e\uff0c\u6211\u4eec\u5c06\u5c1d\u8bd5\u5b9e\u73b0SparkStreaming\u3002<br \/>\n\u73af\u5883\u4e0e\u4e0a\u4e00\u6b21\u76f8\u540c\u3002<\/p>\n<h1>\u76ee\u5f55<\/h1>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u66f4\u65b0pom.xml\u6587\u4ef6\u548c\u4e0b\u8f7dncat<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u65e0\u72b6\u6001\u548c\u6709\u72b6\u6001<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7b2c\u4e00\u6bb5\uff08\u65e0\u72b6\u6001\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7a97\u53e3\u5904\u7406\uff08\u6709\u72b6\u6001\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5199\u5165MySQL<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5176\u4ed6<\/ol>\n<h3>\u66f4\u65b0pom.xml\u6587\u4ef6\u548c\u4e0b\u8f7dncat\u8f6f\u4ef6<\/h3>\n<p>\u5728pom.xml\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u7684\u4f9d\u8d56\u5173\u7cfb<\/p>\n<pre class=\"post-pre\"><code>&lt;dependency&gt;\r\n    &lt;groupId&gt;org.apache.spark&lt;\/groupId&gt;\r\n    &lt;artifactId&gt;spark-streaming_2.13&lt;\/artifactId&gt;\r\n    &lt;version&gt;3.2.1&lt;\/version&gt;\r\n    &lt;scope&gt;provided&lt;\/scope&gt;\r\n&lt;\/dependency&gt;\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u76d1\u89c6\u672c\u5730\u7aef\u53e3\u5e76\u83b7\u53d6\u6570\u636e\uff0c\u9700\u8981\u4e0b\u8f7dncat\u3002<\/p>\n<pre class=\"post-pre\"><code>sudo apt-get -y install ncat\r\n<\/code><\/pre>\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6253\u5f00\u4e00\u4e2a\u65b0\u7684\u7ec8\u7aef\uff0c\u5e76\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>nc -lk 8080\r\n<\/code><\/pre>\n<h3>\u65e0\u72b6\u6001\u548c\u6709\u72b6\u6001<\/h3>\n<p>\u6d41\u5a92\u4f53\u5904\u7406\u672c\u8d28\u4e0a\u662f\u6279\u5904\u7406\u3002\u53ea\u662f\u5904\u7406\u65f6\u95f4\u95f4\u9694\u975e\u5e38\u77ed\uff0c\u6240\u4ee5\u5916\u89c2\u4e0a\u770b\u8d77\u6765\u662f&#8221;\u8fde\u7eed&#8221;\u7684\u3002<br \/>\nSpark Streaming\u4e2d\u6709\u4e24\u79cd\u8f6c\u6362\u64cd\u4f5c\uff1a\u65e0\u72b6\u6001\u548c\u6709\u72b6\u6001\u3002<br \/>\n\u7b80\u5355\u5730\u8bf4\uff0c<br \/>\n\u30fb\u65e0\u72b6\u6001\uff1a\u4ec5\u9488\u5bf9\u672c\u6b21\u83b7\u53d6\u7684\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\uff0c\u4e0e\u524d\u540e\u7684\u6570\u636e\u65e0\u5173\u3002<br \/>\n\u30fb\u6709\u72b6\u6001\uff1a\u4e0d\u4ec5\u6d89\u53ca\u672c\u6b21\u6570\u636e\uff0c\u8fd8\u6d89\u53ca\u524d\u540e\u7684\u6570\u636e\u6216\u5176\u8ba1\u7b97\u7ed3\u679c\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5728\u521d\u59cb\u4ee3\u7801\u4e2d\u63d0\u4f9b\u65e0\u72b6\u6001\u7684\u793a\u4f8b\u3002<\/p>\n<h3>\u6700\u521d\u7684\u4ee3\u7801\uff08\u65e0\u72b6\u6001\uff09<\/h3>\n<p>\u5b9e\u4f8b\u64cd\u4f5c\uff1a\u63d0\u53d6\u5305\u542b\u9519\u8bef\u7684\u8bb0\u5f55\u3002<\/p>\n<pre class=\"post-pre\"><code>package com;\r\n\r\nimport org.apache.spark.SparkConf;\r\nimport org.apache.spark.streaming.Durations;\r\nimport org.apache.spark.streaming.api.java.JavaDStream;\r\nimport org.apache.spark.streaming.api.java.JavaReceiverInputDStream;\r\nimport org.apache.spark.streaming.api.java.JavaStreamingContext;\r\n\r\npublic class SparkStreaming {\r\n    public static void main(String[] args) throws InterruptedException {\r\n        \/*\r\n        conf\u8a2d\u5b9a\u3001local[2]\u3068\u306f2 thread\r\n        JavaStreamingContext\u8a2d\u5b9a\u3001Durations.seconds(5)\u3068\u306f\u51e6\u7406\u9593\u9694\u304c5\u79d2\r\n         *\/\r\n        SparkConf conf = new SparkConf().setMaster(\"local[2]\").setAppName(\"sparkStreamIng\");\r\n        JavaStreamingContext javaStreamingContext = new JavaStreamingContext(conf, Durations.seconds(5));\r\n\r\n        \/*\r\n        InputDStream\uff1aIP:localhost,PORT:8080\r\n        error\u3092\u542b\u3080\u884c\u3092\u62bd\u51fa\r\n         *\/\r\n        JavaReceiverInputDStream&lt;String&gt; inputDStream = javaStreamingContext.socketTextStream(\"xiexiaofeng-virtual-machine\",8080);\r\n        JavaDStream&lt;String&gt; errorLine = inputDStream.filter(s -&gt; s.contains(\"error\"));\r\n\r\n        \/\/errorLine\u3092\u30d7\u30ea\u30f3\u30c8\r\n        errorLine.print();\r\n\r\n        \/*\r\n        \u76e3\u8996\u958b\u59cb\r\n         *\/\r\n        javaStreamingContext.start();\r\n        javaStreamingContext.awaitTermination();\r\n    }\r\n}\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7e92913a08637a6a35bd\/15-0.png\" alt=\"error.png\" \/><\/div>\n<h3>\u7a97\u53e3\u5904\u7406\uff08\u6709\u72b6\u6001\uff09<\/h3>\n<p>\u5728stateful\u64cd\u4f5c\u4e2d\uff0c\u9700\u8981\u4f7f\u7528window\u51fd\u6570\u6765\u6307\u5b9a\u65f6\u95f4\u95f4\u9694\u3002<br \/>\n&#8211; window\u51fd\u6570\uff1a\u7528\u4e8e\u5904\u7406\u56fa\u5b9a\u65f6\u95f4\u95f4\u9694\u7684\u6570\u636e\u3002<br \/>\n&#8211; window length\uff1a\u7a97\u53e3\u7684\u957f\u5ea6\uff0c\u5373\u65f6\u95f4\u95f4\u9694\u3002<br \/>\n&#8211; sliding interval\uff1a\u5904\u7406\u9891\u7387\u3002<br \/>\n\u6b64\u5916\uff0c\u5728stateful\u64cd\u4f5c\u4e2d\u9700\u8981\u68c0\u67e5\u70b9\u3002<br \/>\n\u4ee3\u7801\u793a\u4f8b\uff1a\u6bcf30\u79d2\u5bf9\u6bcf\u4e2aIP\u5730\u5740\u8fdb\u884c\u8bbf\u95ee\u6b21\u6570\u8ba1\u6570\uff0c\u5e76\u6bcf10\u79d2\u6267\u884c\u4e00\u6b21\u3002<\/p>\n<pre class=\"post-pre\"><code>package com;\r\n\r\nimport org.apache.spark.SparkConf;\r\nimport org.apache.spark.api.java.function.Function2;\r\nimport org.apache.spark.streaming.Durations;\r\nimport org.apache.spark.streaming.api.java.JavaDStream;\r\nimport org.apache.spark.streaming.api.java.JavaPairDStream;\r\nimport org.apache.spark.streaming.api.java.JavaStreamingContext;\r\n\r\nimport scala.Tuple2;\r\n\r\npublic class SparkStreamingCount {\r\n    public static void main(String[] args) throws InterruptedException {\r\n        SparkConf sparkConf = new SparkConf().setAppName(\"SparkCount\").setMaster(\"local[2]\");\r\n        JavaStreamingContext javaStreamingContext = new JavaStreamingContext(sparkConf, Durations.seconds(10));\r\n\r\n        \/\/check point\r\n        javaStreamingContext.checkpoint(\"\/opt\/data1\");\r\n\r\n        JavaDStream&lt;String&gt; dStream = javaStreamingContext.socketTextStream(\"xiexiaofeng-virtual-machine\",8080);\r\n        JavaPairDStream&lt;String,Long&gt; namedStream = dStream.mapToPair(s-&gt; new Tuple2(s,1l));\r\n        \/*\r\n        window\u95a2\u6570\uff1a\u4e00\u5b9a\u6642\u9593\u9593\u9694\u306e\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\r\n        window length\uff1awindow\u306e\u9577\u3055\u3001\u3064\u307e\u308a\u6642\u9593\u9593\u9694\u3001\u3053\u3053\u3067\u306f30\u79d2\r\n        sliding interval\uff1a\u51e6\u7406\u306e\u983b\u5ea6\u3001\u3053\u3053\u3067\u306f10\u79d2\r\n         *\/\r\n        JavaPairDStream&lt;String, Long&gt; result = namedStream.reduceByKeyAndWindow(new Add(), new Minus(), Durations.seconds(30), Durations.seconds(10));\r\n        \/\/print\r\n        result.print();\r\n        \/\/start\r\n        javaStreamingContext.start();\r\n        javaStreamingContext.awaitTermination();\r\n    }\r\n    static class Add implements Function2&lt;Long,Long,Long&gt; {\r\n        @Override\r\n        public Long call(Long v1, Long v2) throws Exception{\r\n            return v1 + v2;\r\n        }\r\n    }\r\n\r\n    static class Minus implements Function2&lt;Long,Long,Long&gt; {\r\n        @Override\r\n        public Long call(Long v1, Long v2) throws Exception{\r\n            return v1 - v2;\r\n        }\r\n    }\r\n\r\n}\r\n<\/code><\/pre>\n<h3>\u5c06\u6570\u636e\u5199\u5165MySQL\u6570\u636e\u5e93<\/h3>\n<p>\u5e38\u89c1\u7684\u573a\u666f\u662f\u5c06\u4ece\u6d41\u5a92\u4f53\u83b7\u53d6\u7684\u6570\u636e\u8f93\u51fa\u5230\u6570\u636e\u5e93\u4e2d\u3002<br \/>\n\u5728\u4e0e\u6570\u636e\u5e93\u7684\u8fde\u63a5\u4e2d\uff0c\u5efa\u8bae\u521b\u5efa\u9759\u6001\u8fde\u63a5\u6c60\u3002<br \/>\n\uff08\u4ee5\u907f\u514d\u7531\u5206\u5e03\u5f0f\u5904\u7406\u5bfc\u81f4\u7684\u8fde\u63a5\u7206\u70b8\u6210\u672c\uff09<br \/>\n\u9996\u5148\u662f\u8fde\u63a5\u6c60\u7684\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>package com;\r\n\r\nimport java.sql.Connection;\r\nimport java.sql.DriverManager;\r\nimport java.util.LinkedList;\r\n\r\npublic class ConnectionPool {\r\n    \/\/\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\r\n    private static LinkedList&lt;Connection&gt; connectionQueue;\r\n\r\n    static {\r\n        try{\r\n            Class.forName(\"com.mysql.jdbc.Driver\");\r\n        }catch (Exception e){\r\n            e.printStackTrace();\r\n        }\r\n    }\r\n\r\n    public synchronized static Connection getConnection(){\r\n        try {\r\n            if(connectionQueue == null){\r\n                connectionQueue = new LinkedList&lt;&gt;();\r\n            }\r\n            \/\/connection\u306f\u4e94\u3064\u307e\u3067Queue\u306bpush\r\n            for (int i = 0; i &lt; 5; i++){\r\n                Connection conn = DriverManager.getConnection(\"jdbc:mysql:\/\/127.0.0.1:8080\",\r\n                        \"root\",\"password\");\r\n                connectionQueue.push(conn);\r\n            }\r\n        }catch (Exception e){\r\n            e.printStackTrace();\r\n        }\r\n        \/\/Queue\u304b\u3089connection\u3092\u53d6\u5f97\r\n        return connectionQueue.poll();\r\n    }\r\n\r\n    public static void returnConnection(Connection conn){\r\n        connectionQueue.push(conn);\r\n    }\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u4e3b\u8981\u5904\u7406\uff1a\u6bcf30\u79d2\u8ba1\u7b97\u4e00\u6b21IP\u8bbf\u95ee\u6b21\u6570\u5e76\u5199\u5165\u5230MySQL\u3002<\/p>\n<pre class=\"post-pre\"><code>package com;\r\n\r\nimport org.apache.spark.SparkConf;\r\nimport org.apache.spark.streaming.Durations;\r\nimport org.apache.spark.streaming.api.java.JavaDStream;\r\nimport org.apache.spark.streaming.api.java.JavaPairDStream;\r\nimport org.apache.spark.streaming.api.java.JavaStreamingContext;\r\nimport scala.Tuple2;\r\n\r\nimport java.sql.Connection;\r\nimport java.sql.Statement;\r\n\r\npublic class SparkStreamingJDBC {\r\n    public static void main(String[] args) throws InterruptedException {\r\n        SparkConf sparkConf = new SparkConf().setAppName(\"SparkCount\").setMaster(\"local[2]\");\r\n        JavaStreamingContext javaStreamingContext = new JavaStreamingContext(sparkConf, Durations.seconds(30));\r\n\r\n        \/\/check point\r\n        javaStreamingContext.checkpoint(\"\/opt\/data1\");\r\n\r\n        JavaDStream&lt;String&gt; dStream = javaStreamingContext.socketTextStream(\"xiexiaofeng-virtual-machine\",8080);\r\n        JavaPairDStream&lt;String,Long&gt; namedStream = dStream.mapToPair(s-&gt; new Tuple2(s,1l));\r\n        \/\/30\u79d2\u5185IP\u3054\u3068\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30ab\u30a6\u30f3\u30c8\r\n        JavaPairDStream&lt;String, Long&gt; result = namedStream.reduceByKey((v1,v2)-&gt;v1+v2);\r\n        \/\/\u7d50\u679cprint\r\n        result.print();\r\n        \/\/MySQL\u306b\u66f8\u304d\u8fbc\u307f\r\n        result.foreachRDD(rdd -&gt; {\r\n            rdd.foreachPartition(partitionOfRecords -&gt; {\r\n                Connection connection = ConnectionPool.getConnection();\r\n                Tuple2&lt;String, Long&gt; ipcount;\r\n\r\n                while (partitionOfRecords.hasNext()) {\r\n                    ipcount = partitionOfRecords.next();\r\n                    String sql = \"insert into dtable(ip,count)\" + \"values ('\" + ipcount._1 + \"',\" + ipcount._2 + \")\";\r\n                    Statement statement = connection.createStatement();\r\n                    statement.executeUpdate(sql);\r\n                }\r\n            });\r\n        });\r\n\r\n        try{\r\n            javaStreamingContext.start();\r\n            javaStreamingContext.awaitTermination();\r\n        }catch (Exception e){\r\n            e.printStackTrace();\r\n        }\r\n\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u6700\u8fd1\u5929\u6c14\u708e\u70ed\uff0c\u611f\u89c9\u5f88\u61d2\uff0c\u56e0\u4e3a\u8fd8\u6ca1\u6709\u5b89\u88c5MySQL\uff0c\u6240\u4ee5\u7ed3\u679c\u6682\u65f6\u7701\u7565\u3002<\/p>\n<h3>\u5176\u4ed6<\/h3>\n<p>\u867d\u7136\u4e0eKafka\u96c6\u6210\u662f\u5e38\u89c1\u7684\u4f8b\u5b50\uff0c\u4f46\u76ee\u524d\u7ecf\u5e38\u4f7f\u7528\u4e91\u670d\u52a1\u6765\u5904\u7406\u6570\u636e\uff08\u5982GCP\u7684pubsub\uff0cAWS\u7684MSK\uff09\uff0c\u5728\u5b9e\u73b0Dataproc\u65f6\u518d\u8ba8\u8bba\u4e00\u4e0b\u3002<br \/>\n\u57fa\u7840\u90e8\u5206\u5c31\u5230\u6b64\u4e3a\u6b62\uff0c\u4e0b\u4e00\u6b21\u5c06\u8ba8\u8bba\u5e94\u7528\u90e8\u5206\uff0c\u5728Spark\u7684\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u5b9e\u73b0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u4e00\u6b21\u662f\u5728\u8fd9\u91cc\u3002 https:\/\/qiita.com\/SHA_AKA\/items\/f57cbe11b20828 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47392","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010\u5165\u95e8\u7ea7\u522b\u3011ApacheSpark\u57fa\u7840\u6559\u7a0b-SparkStreaming - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010\u5165\u95e8\u7ea7\u522b\u3011apachespark\u57fa\u7840\u6559\u7a0b-sparkstreaming\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" 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