{"id":47428,"date":"2023-01-20T00:23:24","date_gmt":"2024-02-13T04:40:30","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%b8%ba%e4%ba%86%e7%90%86%e8%a7%a3apache-spark%e6%b5%81%e5%a4%84%e7%90%86%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%ef%bc%8c%e5%a2%9e%e5%8a%a0%e4%ba%86%e6%96%b0%e7%9a%84%e5%8f%af%e8%a7%86%e5%8c%96\/"},"modified":"2024-04-29T10:34:17","modified_gmt":"2024-04-29T02:34:17","slug":"%e4%b8%ba%e4%ba%86%e7%90%86%e8%a7%a3apache-spark%e6%b5%81%e5%a4%84%e7%90%86%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%ef%bc%8c%e5%a2%9e%e5%8a%a0%e4%ba%86%e6%96%b0%e7%9a%84%e5%8f%af%e8%a7%86%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%b8%ba%e4%ba%86%e7%90%86%e8%a7%a3apache-spark%e6%b5%81%e5%a4%84%e7%90%86%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%ef%bc%8c%e5%a2%9e%e5%8a%a0%e4%ba%86%e6%96%b0%e7%9a%84%e5%8f%af%e8%a7%86%e5%8c%96\/","title":{"rendered":"\u4e3a\u4e86\u7406\u89e3Apache Spark\u6d41\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\uff0c\u589e\u52a0\u4e86\u65b0\u7684\u53ef\u89c6\u5316\u529f\u80fd"},"content":{"rendered":"<p>\u65b0\u3057\u3044\u8996\u899a\u5316\u624b\u6cd5\u3092\u7528\u3044\u3066Apache Spark Streaming\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u30d6\u30ed\u30b0\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<div>\u672c\u7bc7\u6587\u7ae0\u4ee5Spark 1.4.0\u4f5c\u4e3a\u524d\u63d0\uff0c\u5e76\u4e14\u4e0e\u6700\u65b0\u7248\u672c\u7684Spark UI\u7684\u6784\u6210\u6709\u6240\u4e0d\u540c\u3002<\/div>\n<p>\u4e0a\u4e00\u6b21\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u4e3a\u4e86\u7406\u89e3Spark\u5e94\u7528\u7a0b\u5e8f\u7684\u64cd\u4f5c\u800c\u5f15\u5165\u7684\u65b0\u7684\u53ef\u89c6\u5316\u529f\u80fd\uff0c\u8be5\u529f\u80fd\u662f\u5728Apache Spark 1.4.0\u4e2d\u5b9e\u73b0\u7684\u3002\u5728\u76f8\u540c\u7684\u4e3b\u9898\u4e0b\uff0c\u672c\u6587\u5c06\u91cd\u70b9\u4ecb\u7ecd\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3Spark\u6d41\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\u800c\u5f15\u5165\u7684\u65b0\u7684\u53ef\u89c6\u5316\u529f\u80fd\u3002\u6211\u4eec\u5bf9Spark UI\u7684\u6d41\u5904\u7406\u9009\u9879\u5361\u8fdb\u884c\u4e86\u4ee5\u4e0b\u66f4\u65b0\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30d9\u30f3\u30c8\u306e\u901f\u5ea6\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u306e\u9045\u308c\u3001\u904e\u53bb\u306e\u30d0\u30c3\u30c1\u306e\u51e6\u7406\u6642\u9593\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3001\u7d71\u8a08\u60c5\u5831<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u305d\u308c\u305e\u308c\u306e\u30d0\u30c3\u30c1\u306e\u5168\u3066\u306eSpark\u30b8\u30e7\u30d6\u306e\u8a73\u7d30<\/ul>\n<p>\u53e6\u5916\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u5728\u6d41\u5a92\u4f53\u64cd\u4f5c\u8bed\u5883\u4e2d\u7684\u4f5c\u4e1a\u6267\u884c\uff0c\u6267\u884cDAG\u7684\u53ef\u89c6\u5316\u5df2\u901a\u8fc7\u6d41\u5a92\u4f53\u4fe1\u606f\u8fdb\u884c\u4e86\u6269\u5c55\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u4f7f\u7528\u7aef\u5230\u7aef\u7684\u6837\u672c\u6765\u5206\u6790\u6d41\u5a92\u4f53\u5e94\u7528\u7a0b\u5e8f\uff0c\u4ee5\u4fbf\u66f4\u8be6\u7ec6\u5730\u7814\u7a76\u3002<\/p>\n<h1>\u5904\u7406\u8d8b\u52bf\u7684\u65f6\u95f4\u8f74\u3001\u76f4\u65b9\u56fe<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ea9913a08637a6a3b36\/7-0.png\" alt=\"\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ea9913a08637a6a3b36\/8-0.png\" alt=\"\" \/><\/div>\n<p>\u6839\u636e\u56fe2\u53ef\u89c1\uff0c\u8be5\u5e94\u7528\u7a0b\u5e8f\u5b58\u5728\u4e24\u4e2a\u6e90(SocketReceiver-0\u548cSocketReceiver-1)\uff0c\u5176\u4e2d\u4e00\u4e2a\u6e90\u56e0\u4e3a\u77ed\u65f6\u95f4\u5185\u505c\u6b62\u4e86\u6570\u636e\u7684\u63a5\u6536\uff0c\u5bfc\u81f4\u6574\u4f53\u63a5\u6536\u901f\u5ea6\u964d\u4f4e\u3002<\/p>\n<p>\u67e5\u770b\u672c\u9875\u9762\u5e95\u90e8\u7684\u56fe1\u4e0b\u65b9\uff08D\u90e8\u5206\uff09\uff0c\u53ef\u4ee5\u770b\u5230\u5904\u7406\u65f6\u95f4\u663e\u793a\u4e3a\u5e73\u574720\u6beb\u79d2\u7684\u6279\u5904\u7406\u3002\u5904\u7406\u65f6\u95f4\u6bd4\u6279\u5904\u7406\u95f4\u9694\uff08\u5728\u6b64\u793a\u4f8b\u4e2d\u4e3a1\u79d2\uff09\u66f4\u77ed\u610f\u5473\u7740\u6279\u5904\u7406\u4f1a\u7acb\u5373\u8fdb\u884c\u5904\u7406\uff08\u5982\u56fe1\u4e2d\u7684E\u6240\u793a\uff09\uff0c\u800c\u4e0d\u5fc5\u7b49\u5f85\u4e0a\u4e00\u4e2a\u6279\u5904\u7406\u5b8c\u6210\u3002\u8fd9\u51e0\u4e4e\u6ca1\u6709\u4efb\u4f55\u8c03\u5ea6\u5ef6\u8fdf\uff08\u5b9a\u4e49\u4e3a\u6279\u5904\u7406\u7b49\u5f85\u4e0a\u4e00\u4e2a\u6279\u5904\u7406\u5b8c\u6210\u7684\u65f6\u95f4\uff09\u3002\u8c03\u5ea6\u5ef6\u8fdf\u662f\u60a8\u7684\u6d41\u5a92\u4f53\u5e94\u7528\u7a0b\u5e8f\u7a33\u5b9a\u6027\u7684\u91cd\u8981\u6307\u6807\uff0c\u53ef\u4ee5\u901a\u8fc7\u6b64\u7528\u6237\u754c\u9762\u8f7b\u677e\u76d1\u63a7\u3002<\/p>\n<h1>\u6279\u6b21\u7684\u8be6\u7ec6\u4fe1\u606f (Batch details)<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ea9913a08637a6a3b36\/12-0.png\" alt=\"\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ea9913a08637a6a3b36\/13-0.png\" alt=\"\" \/><\/div>\n<p>\u4ece\u56fe4\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u5b58\u5728\u751f\u62103\u4e2aSpark\u4f5c\u4e1a\u7684\u8f93\u51fa\u64cd\u4f5c\u3002\u4e3a\u4e86\u8fdb\u4e00\u6b65\u8fdb\u884c\u5206\u6790\uff0c\u53ef\u4ee5\u70b9\u51fb\u4f5c\u4e1aID\u6765\u67e5\u770b\u9636\u6bb5\u548c\u4efb\u52a1\u3002<\/p>\n<h1>\u6267\u884c\u6d41\u5f0fRDD\u7684DAG<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ea9913a08637a6a3b36\/16-0.png\" alt=\"\" \/><\/div>\n<p>\u9ed1\u8272\u7684\u70b9\u8868\u793a\u753116:06:50\u6279\u6b21\u7684DStream\u751f\u6210\u7684RDD\u3002\u84dd\u8272\u7684\u6846\u8868\u793a\u7528\u4e8e\u8f6c\u6362RDD\u7684DStream\u64cd\u4f5c\uff0c\u5e76\u4e14\u7c89\u8272\u7684\u6846\u8868\u793a\u8fd9\u4e9b\u8f6c\u6362\u6240\u53d1\u751f\u7684\u9636\u6bb5\u3002\u8fd9\u6574\u4f53\u4e0a\u8868\u793a\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">16:06:50\u306e\u30d0\u30c3\u30c1\u306b\u304a\u3051\u308b\u5358\u4e00\u306esocket text stream\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u3063\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u304b\u3089\u30ef\u30fc\u30c9\u30ab\u30a6\u30f3\u30c8\u3092\u884c\u3046\u305f\u3081\u306b\u3001flatMap, map, reduceByKey\u306e\u5909\u63db\u3092\u7528\u3044\u308b2\u3064\u306e\u30b9\u30c6\u30fc\u30b8\u304b\u3089\u69cb\u6210\u3055\u308c\u305f\u30b8\u30e7\u30d6\u3002<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ea9913a08637a6a3b36\/19-0.png\" alt=\"\" \/><\/div>\n<p>\u56fe6\u63d0\u4f9b\u4e86\u6709\u5173\u6267\u884cSpark\u4f5c\u4e1a\u8fdb\u884c\u5355\u8bcd\u8ba1\u6570\u7684\u6570\u636e\u6765\u81ea\u4e09\u4e2a\u6279\u6b21\u7684\u5927\u91cf\u4fe1\u606f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6700\u521d\u306e3\u3064\u306e\u30b9\u30c6\u30fc\u30b8\u306f\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u5185\u306e3\u3064\u306e\u30d0\u30c3\u30c1\u306e\u305d\u305e\u308c\u3067\u30ef\u30fc\u30c9\u30ab\u30a6\u30f3\u30c8\u3092\u884c\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001map\u3068flatMap\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u7528\u3044\u305f\u4e0a\u8ff0\u306e\u30b7\u30f3\u30d7\u30eb\u306aNetworkWordCount\u306e\u6700\u521d\u306e\u30b9\u30c6\u30fc\u30b8\u3068\u540c\u3058\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u4ee5\u4e0b\u306e\u76f8\u9055\u70b9\u306b\u306f\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>2\u3064\u306esocket text stream\u306e\u305d\u308c\u305e\u308c\u304b\u3089\u5f97\u3089\u308c\u308b2\u3064\u306e\u5165\u529bRDD\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3053\u308c\u30892\u3064\u306eRDD\u306f\u5358\u4e00\u306eRDD\u306bunion\u3055\u308c\u3001\u3055\u3089\u306b\u30d0\u30c3\u30c1\u3054\u3068\u306e\u4e2d\u9593\u30ab\u30a6\u30f3\u30c8\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002<br \/>\n\u3053\u308c\u3089\u306e\u30b9\u30c6\u30fc\u30b8\u306e2\u3064\u306f\u30b0\u30ec\u30fc\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u53e4\u30442\u3064\u306e\u30d0\u30c3\u30c1\u306f\u3059\u3067\u306b\u30e1\u30e2\u30ea\u30fc\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u3066\u304a\u308a\u3001\u518d\u8a08\u7b97\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u305f\u3081\u3067\u3059\u3002\u6700\u65b0\u306e\u30d0\u30c3\u30c1\u306e\u307f\u304c\u6700\u521d\u304b\u3089\u306e\u8a08\u7b97\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>\u53f3\u306e\u6700\u5f8c\u306e\u30b9\u30c6\u30fc\u30b8\u306f\u3001\u30d0\u30c3\u30c1\u3054\u3068\u306e\u30ef\u30fc\u30c9\u30ab\u30a6\u30f3\u30c8\u3092\u300c\u30a6\u30a3\u30f3\u30c9\u30a6\u5185\u306e\u300d\u30ef\u30fc\u30c9\u30ab\u30a6\u30f3\u30c8\u306b\u7d50\u5408\u3059\u308b\u305f\u3081\u306breduceByKeyAndWindow\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u901a\u8fc7\u8fd9\u4e9b\u53ef\u89c6\u5316\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u76d1\u63a7\u6d41\u5a92\u4f53\u5e94\u7528\u7a0b\u5e8f\u7684\u72b6\u6001\u548c\u8d8b\u52bf\uff0c\u5e76\u4e86\u89e3\u5185\u90e8Spark\u4efb\u52a1\u4e0e\u6267\u884c\u8ba1\u5212\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n<h1>\u672a\u6765\u7684\u53d1\u5c55\u65b9\u5411<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ea9913a08637a6a3b36\/24-0.png\" alt=\"\" \/><\/div>\n<h3>\u8cc7\u6599\u6e56\u7121\u6599\u8a66\u7528\u7248<\/h3>\n<p>Databricks \u514d\u8d39\u8bd5\u7528<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65b0\u3057\u3044\u8996\u899a\u5316\u624b\u6cd5\u3092\u7528\u3044\u3066Apache Spark Streaming\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u30d6\u30ed\u30b0\u8a18\u4e8b [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47428","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) - 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