{"id":36839,"date":"2022-11-19T08:10:22","date_gmt":"2023-05-14T15:27:32","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/"},"modified":"2024-04-29T01:25:34","modified_gmt":"2024-04-28T17:25:34","slug":"apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/","title":{"rendered":"Apache Spark \u521d\u5b66\u8005\u7b14\u8bb0"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u6211\u5f00\u59cb\u53c2\u4e0e\u4f7f\u7528Amazon EMR\u548cApache Spark\u6765\u6c47\u603b\u62a5\u544a\u6570\u636e\u7684\u5de5\u4f5c\uff0c\u4f46\u7531\u4e8e\u6709\u592a\u591a\u6211\u4e0d\u61c2\u7684\u672f\u8bed\uff0c\u6240\u4ee5\u6211\u60f3\u7b80\u8981\u603b\u7ed3\u4e00\u4e0b\u57fa\u7840\u77e5\u8bc6\u90e8\u5206\u3002<\/p>\n<h2>Apache Hadoop\u7684\u5206\u5e03\u5f0f\u5904\u7406\u67b6\u6784<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b2d37434c4406c49a50\/3-0.png\" alt=\" 2018-07-20 12.23.15.png\" \/><\/div>\n<p>\u4f7f\u7528Amazon Elastic MapReduce\uff08Amazon EMR\uff09\uff0c\u53ef\u4ee5\u542f\u52a8Hadoop\u96c6\u7fa4\uff0c\u901a\u8fc7\u8be5\u96c6\u7fa4\u53ef\u4ee5\u5b9e\u73b0Hadoop\u5206\u5e03\u5f0f\u8d44\u6e90\u7ba1\u7406\u3001\u5904\u7406\u548c\u5b58\u50a8\u3002<\/p>\n<p>\u25a0 \u8d44\u6e90\u7ba1\u7406<br \/>\nApache Mesos\u3001Hadoop Yarn<\/p>\n<p>\u25a0 \u5904\u7406<br \/>\nHadoop MapReduce \u662f\u4e00\u79cd\u6570\u636e\u5904\u7406\u6846\u67b6\uff0c\u800cApache Spark \u5219\u662f\u53e6\u4e00\u79cd\u3002<\/p>\n<p>\u25a0 \u5b58\u50a8<br \/>\nHDFS\uff0cS3<\/p>\n<h2>\u5b58\u50a8\u548c\u6570\u636e\u5e93<\/h2>\n<p>Hadoop\u5c06\u83b7\u53d6\u65e5\u5fd7\u6587\u4ef6\u7b49\u5e76\u5b58\u50a8\u5728\u5b58\u50a8\u4e2d\u3002<\/p>\n<p>\u25a0 HDFS<br \/>\n\u5728Hadoop\u4e0a\u4f7f\u7528\u7684\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf<br \/>\n\u5728\u52a0\u8f7d\u6570\u636e\u6587\u4ef6\u65f6\uff0c\u4f1a\u5c06\u5176\u5206\u6563\u5230\u6bcf\u4e2a128MB\uff08\u9ed8\u8ba4\u503c\uff09\u7684\u5757\u4e2d<br \/>\n\u6bcf\u4e2a\u5757\u4f1a\u88ab\u590d\u5236\u52303\u4e2a\u8282\u70b9\uff08\u9ed8\u8ba4\u503c\uff09\uff0c\u5728\u591a\u4e2a\u8282\u70b9\u4e0a\u8fdb\u884c\u5b58\u50a8<br \/>\n\u5143\u6570\u636e\uff08\u5b58\u50a8\u4f4d\u7f6e\uff09\u7531NameNode\u5728\u5355\u4e00\u8282\u70b9\u4e0a\u8fdb\u884c\u7ef4\u62a4<br \/>\n\u56e0\u6b64\uff0c\u9700\u8981\u59cb\u7ec8\u4f7fNameNode\u5b88\u62a4\u7a0b\u5e8f\u4fdd\u6301\u8fd0\u884c\u72b6\u6001<br \/>\n\u91c7\u7528\u4e00\u6b21\u5199\u5165\u591a\u6b21\u8bfb\u53d6\u7684\u6a21\u578b<br \/>\n\u4f7f\u7528Java\u7f16\u5199<\/p>\n<p>\u25a0 Apache HBase<br \/>\n\u662f\u5728HDFS\u4e0a\u6784\u5efa\u7684\u5206\u5e03\u5f0fNoSQL\u6570\u636e\u5e93<br \/>\n\u53ef\u4ee5\u6269\u5c55\u5e76\u9002\u5e94\u5927\u91cf\u6570\u636e<\/p>\n<h2>\u83b7\u53d6\u6570\u636e<\/h2>\n<p>\u25a0 Apache Sqoop<br \/>\nApache Sqoop\u80fd\u591f\u53cc\u5411\u5bfc\u5165HDFS\u548c\u6570\u636e\u5e93\u7684\u6570\u636e<br \/>\n\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u591a\u79cd\u683c\u5f0f\u5bfc\u5165HDFS<br \/>\n\u6570\u636e\u4f1a\u901a\u8fc7Hadoop\u7684MapReduce\u8fdb\u884c\u5199\u5165<\/p>\n<p>\u25a0 Apache Flume<br \/>\n\u5c06\u6570\u636e\u5355\u65b9\u5411\u6d41\u5411HDFS<\/p>\n<p>\u25a0 Apache Kafka\u6bd4Flume\u66f4\u5177\u529f\u80fd<br \/>\n\u53d1\u5e03-\u8ba2\u9605\u6a21\u578b<\/p>\n<h2>HDFS\u7684\u6587\u4ef6\u683c\u5f0f<\/h2>\n<p>\u25a0 \u6587\u5b57\u6a94<br \/>\n\u5beb\u5165\u901f\u5ea6\u5f88\u5feb<br \/>\n\u4e0d\u4f9d\u8cf4\u7279\u5b9a\u7684\u7a0b\u5f0f\u8a2d\u8a08\u8a9e\u8a00<br \/>\n\u8655\u7406\u4e8c\u9032\u5236\u6a94\u6848\u6bd4\u8f03\u56f0\u96e3\uff0c\u4f46\u56e0\u70ba\u662f\u6587\u5b57\u6a94\u6240\u4ee5\u5bb9\u6613\u95b1\u8b80<br \/>\n\u6548\u80fd\u8f03\u5dee<\/p>\n<p>\u25a0 SequenceFile<br \/>\n\u4ee5\u5b57\u8282\u5e8f\u5217\u7684\u5f62\u5f0f\u5b58\u50a8\u952e\u503c\u5bf9<br \/>\n\u9002\u7528\u4e8eMapReduce\u5904\u7406<br \/>\n\u6027\u80fd\u5f88\u597d<\/p>\n<p>\u25a0 AvroFile\uff08Apache Avro\uff09<br \/>\n\u5feb\u901f\u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316<br \/>\n\u5bf9\u6a21\u5f0f\u7684\u66f4\u6539\u5177\u6709\u826f\u597d\u7684\u9002\u5e94\u6027<br \/>\n\u88ab\u5e7f\u6cdb\u91c7\u7528\u4e8eHadoop\u751f\u6001\u7cfb\u7edf\u4e2d<br \/>\n\u6587\u4ef6\u5177\u6709\u6a21\u5f0f\u7684\u5143\u6570\u636e<br \/>\n\u7531\u4e8e\u662f\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528avro-tools\u6765\u5904\u7406\u6a21\u5f0f\u548c\u6570\u636e<br \/>\n\u6027\u80fd\u51fa\u8272<\/p>\n<p>Apache Parquet\u662f\u4e00\u79cd\u4ee5\u5217\u578b\u65b9\u5f0f\u5b58\u50a8\u6570\u636e\u7684\u6587\u4ef6\u683c\u5f0f\u3002<br \/>\n\u7531\u4e8e\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\u88ab\u5b58\u50a8\u5728\u5217\u65b9\u5411\u4e0a\uff0c\u6240\u4ee5\u5176\u6027\u80fd\u548c\u538b\u7f29\u7387\u90fd\u975e\u5e38\u597d\u3002<br \/>\n\u7136\u800c\uff0c\u5bf9\u4e8e\u63d0\u53d6\u3001\u66f4\u65b0\u548c\u5220\u9664\u7279\u5b9a\u884c\u6765\u8bf4\u5e76\u4e0d\u64c5\u957f\u3002<br \/>\n\u6587\u4ef6\u4e2d\u8fd8\u5305\u542b\u4e86\u6a21\u5f0f\u7684\u5143\u6570\u636e\u3002<br \/>\n\u7531\u4e8e\u662f\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528parquet-tools\u6765\u5904\u7406\u6a21\u5f0f\u548c\u6570\u636e\u3002<br \/>\n\u5177\u6709\u9ad8\u6027\u80fd\u3002<\/p>\n<h2>Hadoop \u6269\u5c55\u8d44\u6e90\u8c03\u5ea6\u548c\u7ba1\u7406(YARN)<\/h2>\n<p>\u53e6\u4e00\u79cd\u8d44\u6e90\u534f\u5546\u8005\u7684\u7f29\u5199<br \/>\n\u7528\u4e8e\u7ba1\u7406Hadoop\u96c6\u7fa4\u7684\u8d44\u6e90\u8c03\u5ea6<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b2d37434c4406c49a50\/23-0.png\" alt=\" 2018-07-27 14.39.18.png\" \/><\/div>\n<p>\u4e3b\u8282\u70b9<br \/>\n&#8211; \u5728\u96c6\u7fa4\u4e2d\u4ec5\u5b58\u5728\u4e00\u4e2a<br \/>\n&#8211; \u8fd0\u884c\u8d44\u6e90\u7ba1\u7406\u5668\uff08\u56fe\u4e2d\u4e3aRM\uff09\u5b88\u62a4\u7a0b\u5e8f<br \/>\n\u21d2 \u534f\u8c03\u96c6\u7fa4\u4e2d\u53ef\u7528\u8282\u70b9\u4e4b\u95f4\u7684\u5e94\u7528\u7a0b\u5e8f\u7ade\u4e89\uff0c\u5e76\u51b3\u5b9a\u4f55\u65f6\u5206\u914d\u8d44\u6e90<br \/>\n&#8211; \u8fd0\u884cHDFS\u540d\u79f0\u8282\u70b9\uff08\u56fe\u4e2d\u4e3aNN\uff09\u5b88\u62a4\u7a0b\u5e8f<br \/>\n\u21d2 \u7ba1\u7406\u6570\u636e\u8282\u70b9\u7684\u5143\u6570\u636e<\/p>\n<p>\u25a0 \u6838\u5fc3\u8282\u70b9<br \/>\n\u00b7 \u4ec5\u9002\u7528\u4e8eEMR\u7684\u6982\u5ff5<br \/>\n\u00b7 \u6bcf\u4e2a\u96c6\u7fa4\u81f3\u5c11\u9700\u8981\u4e00\u4e2a\u6838\u5fc3\u8282\u70b9<br \/>\n\u00b7 \u8fd0\u884c\u8282\u70b9\u7ba1\u7406\u5668\uff08\u56fe\u4e2d\u4e3aNM\uff09\u5b88\u62a4\u8fdb\u7a0b<br \/>\n\u21d2 \u4e0e\u8d44\u6e90\u7ba1\u7406\u5668\uff08RM\uff09\u901a\u4fe1\uff0c\u7ba1\u7406\u8282\u70b9\u8d44\u6e90\u5e76\u542f\u52a8\u5bb9\u5668<br \/>\n\u00b7 \u8fd0\u884cHDFS\u6570\u636e\u8282\u70b9\uff08\u56fe\u4e2d\u4e3aDN\uff09\u5b88\u62a4\u8fdb\u7a0b<br \/>\n\u21d2 \u4fdd\u5b58HDFS\u6570\u636e\u7684\u5b9e\u4f53<br \/>\n\u00b7 \u6267\u884cSpark<\/p>\n<p>\u25a0 \u4efb\u52a1\u8282\u70b9<br \/>\n&#8211; \u4efb\u52a1\u662f\u53ef\u9009\u9879\u3002<br \/>\n&#8211; \u6267\u884c\u8282\u70b9\u7ba1\u7406\u5668\uff08\u56fe\u4e2d\u4e3aNM\uff09\u5b88\u62a4\u8fdb\u7a0b\u3002<br \/>\n\u21d2 \u4e0e\u8d44\u6e90\u7ba1\u7406\u5668\uff08RM\uff09\u8fdb\u884c\u901a\u4fe1\uff0c\u7ba1\u7406\u8282\u70b9\u8d44\u6e90\u5e76\u542f\u52a8\u5bb9\u5668\u3002<br \/>\n&#8211; \u6267\u884cSpark\u4efb\u52a1\u3002<\/p>\n<h2>Hadoop \u5206\u5e03\u5f0f\u6570\u636e\u5904\u7406\u6846\u67b6<\/h2>\n<p>\u5982\u679c\u5b9e\u73b0\u4e86Map\u5904\u7406\u548cReduce\u5904\u7406\uff0cHadoop\u4f1a\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e2d\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u25a0 \u5730\u56fe<br \/>\n\u9010\u4e2a\u5904\u7406\u4e00\u6761\u8bb0\u5f55<br \/>\n\u521b\u5efa\u952e\u503c\u5bf9\u7684\u7ec4\u5408<\/p>\n<p>\u5728Map\u8f93\u51fa\u540e\u8fdb\u884c\u64cd\u4f5c<br \/>\n\u5c06\u5b9e\u73b0\u805a\u5408\u5904\u7406\u7b49<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528MapReduce\u8ba1\u7b97\u5e76\u8f93\u51fa\u82f1\u6587\u6587\u672c\u4e2d\u5355\u8bcd\u6570\u91cf\u7684\u793a\u4f8b\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b2d37434c4406c49a50\/32-0.png\" alt=\" 2018-08-01 18.03.18.png\" \/><\/div>\n<p>\u7531\u4e8e\u6bcf\u4e2aMap\u662f\u72ec\u7acb\u7684\uff08\u4e0d\u5171\u4eab\u53d8\u91cf\u7b49\uff09\uff0c\u56e0\u6b64\u53ef\u4ee5\u5206\u5e03\u5f0f\u5e76\u884c\u5904\u7406\u3002<br \/>\n\u5728Reduce\u4e2d\uff0c\u5c06\u5177\u6709\u76f8\u540c\u952e\u7684\u9879\u805a\u5408\u5e76\u5904\u7406\uff08\u5728\u6b64\u5904\u8fdb\u884c\u6c42\u548c\uff09\u3002<br \/>\n\u5982\u679cReduce\u7684\u952e\u4e5f\u4e0d\u76f8\u540c\uff0c\u5219\u53ef\u4ee5\u8fdb\u884c\u5206\u5e03\u5f0f\u5e76\u884c\u5904\u7406\u3002<\/p>\n<h2>Apache Spark \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5927\u6570\u636e\u5904\u7406\u6846\u67b6\u3002<\/h2>\n<p>\u5728Hadoop\u96c6\u7fa4\u4e0a\u8fd0\u884c\u5e76\u5904\u7406HDFS\u4e0a\u7684\u6570\u636e\uff0c\u6bd4MapReduce\u66f4\u5feb\u3002\u4e0eMapReduce\u5c06\u6570\u636e\u4fdd\u5b58\u5728\u78c1\u76d8\u4e0a\u4e0d\u540c\uff0cSpark\u5c06\u6570\u636e\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u5e76\u4f7f\u7528Scala\u7f16\u5199\u7684\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b2d37434c4406c49a50\/36-0.png\" alt=\" 2018-07-27 19.35.21.png\" \/><\/div>\n<p>\u25a0 \u5bb9\u5668<br \/>\n\u30fb\u4eceYARN\u542f\u52a8<br \/>\n\u30fb\u5c06\u8d44\u6e90\uff08\u5185\u5b58\u548cCPU\u6838\u5fc3\uff09\u5206\u914d\u7ed9\u8282\u70b9<\/p>\n<p>\u25a0 \u5e94\u7528\u7a0b\u5e8f\u4e3b\u8282\u70b9<br \/>\n\u30fb\u8d44\u6e90\u7ba1\u7406\u5668\u5411\u8282\u70b9\u7ba1\u7406\u5668\u8bf7\u6c42\u5206\u914d\u7528\u4e8e\u5e94\u7528\u7a0b\u5e8f\u4e3b\u8282\u70b9\u7684\u5bb9\u5668\u5e76\u8fdb\u884c\u521b\u5efa<br \/>\n\u30fb\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u90fd\u5206\u914d\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e3b\u8282\u70b9<\/p>\n<p>\u25a0 Spark\u9a71\u52a8\u7a0b\u5e8f<br \/>\n&#8211; \u542f\u52a8Spark\u5e94\u7528\u7a0b\u5e8f\u7684\u8fdb\u7a0b<br \/>\n&#8211; \u5728Application Master\u4e2d\u542f\u52a8\uff08\u5728YARN\u96c6\u7fa4\u6a21\u5f0f\u4e0b\uff09<br \/>\n&#8211; \u5982\u679c\u5728YARN\u5ba2\u6237\u7aef\u6a21\u5f0f\u4e0b\uff0c\u5219\u7531\u5ba2\u6237\u7aef\u542f\u52a8\u9a71\u52a8\u7a0b\u5e8f<br \/>\n&#8211; \u5c06\u4efb\u52a1\u53d1\u9001\u7ed9\u6267\u884c\u5668<\/p>\n<p>\u25a0 \u6267\u884c\u5668<br \/>\n\u2022 \u6309\u7167\u4ee5\u4e0b\u6d41\u7a0b\u542f\u52a8\uff1a<br \/>\n\u2460 \u5e94\u7528\u4e3b\u7ba1\u5411\u8d44\u6e90\u7ba1\u7406\u5668\u8bf7\u6c42\u83b7\u53d6\u6267\u884c\u5668\u542f\u52a8\u6240\u9700\u8d44\u6e90<br \/>\n\u2461 \u5982\u679c\u6210\u529f\u83b7\u53d6\uff0c\u5e94\u7528\u4e3b\u7ba1\u5c06\u8bf7\u6c42\u6267\u884c\u5668\u542f\u52a8\u7684\u4efb\u52a1\u63d0\u4ea4\u81f3\u8282\u70b9\u7ba1\u7406\u5668<br \/>\n\u2462 \u8282\u70b9\u7ba1\u7406\u5668\u542f\u52a8\u6267\u884c\u5668<br \/>\n\u2022 \u6210\u4e3a\u5b9e\u9645\u6267\u884c\u4efb\u52a1\u7684\u7ebf\u7a0b<\/p>\n<h2>Spark\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b2d37434c4406c49a50\/42-0.png\" alt=\" 2018-08-03 19.35.57.png\" \/><\/div>\n<p>\u7ea2\u6846\uff1a\u5e94\u7528\u7a0b\u5e8f<br \/>\n\u7531\u4e00\u4e2a\u9a71\u52a8\u7a0b\u5e8f\u7ba1\u7406\u7684\u4f5c\u4e1a\u96c6\u5408<\/p>\n<p>\u84dd\u6846\uff1a\u5de5\u4f5c<br \/>\n\u4efb\u52a1\u7684\u96c6\u5408<\/p>\n<p>\u7eff\u6846\uff1a\u821e\u53f0<br \/>\n\u540c\u65f6\u8fdb\u884c\u4e2d\u7684\u4efb\u52a1\u96c6\u5408\u7684\u53ef\u5e76\u5217\u7684\u9009\u9879<\/p>\n<p>\u6a59\u8272\u6846\uff1a\u4efb\u52a1<br \/>\n\u53d1\u9001\u5230\u4e00\u4e2a\u6267\u884c\u8005\u7684\u5de5\u4f5c\u5355\u4f4d<\/p>\n<h2>\u5f39\u6027\u5206\u5e03\u5f0f\u6570\u636e\u96c6 (RDD)<\/h2>\n<p>\u5728Spark\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528RDD\u6765\u5b58\u50a8\u548c\u64cd\u4f5c\u6570\u636e\u3002\u8fd9\u662f\u4e00\u4e2a\u4e0d\u53ef\u53d8\u7684\u5206\u5e03\u5f0f\u96c6\u5408\u3002<\/p>\n<p>\u64cd\u4f5cRDD\u6570\u636e\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff0c\u8f6c\u6362\uff08Transformations\uff09\u548c\u884c\u52a8\uff08Actions\uff09\u3002<\/p>\n<p>\u25a0 \u8f6c\u6362<br \/>\n\u7531\u4e8eRDD\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u82e5\u8981\u8fdb\u884c\u4fee\u6539\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u7684RDD\u3002<br \/>\n\u5728\u521b\u5efa\u65b0\u7684RDD\uff08\u8fdb\u884c\u8f6c\u6362\uff09\u65f6\uff0c\u652f\u6301\u4f7f\u7528filter\u3001map\u7b49\u51fd\u6570\u3002<br \/>\n\u4ee5\u4e0b\u662f\u53ef\u7528\u4e8e\u8f6c\u6362\u7684\u51fd\u6570\u5217\u8868\u3002<\/p>\n<p>\u25a0 \u52a8\u4f5c<br \/>\n\u4e3aRDD\u63d0\u4f9b\u5bf9count\u3001reduce\u7b49\u51fd\u6570\u7684\u652f\u6301<br \/>\n\u53ef\u7528\u4e8e\u52a8\u4f5c\u7684\u51fd\u6570\u5217\u8868<\/p>\n<p>RDD\u4e2d\u7684\u6570\u636e\u5728\u6267\u884c\u64cd\u4f5c\u4e4b\u524d\u4e0d\u4f1a\u88ab\u5904\u7406\uff0c\u56e0\u4e3a\u8f6c\u6362\u662f\u5ef6\u8fdf\u8bc4\u4f30\u7684\uff08\u53ea\u4fdd\u5b58\u6307\u793a\u53d1\u8d77\u4e86\u8be5\u64cd\u4f5c\u7684\u5143\u6570\u636e\uff09\u3002<br \/>\n\u53ea\u6709\u6267\u884c\u64cd\u4f5c\u4e4b\u540e\uff0c\u8f6c\u6362\u624d\u4f1a\u88ab\u6267\u884c\u3002<\/p>\n<h2>Spark SQL-\u4e2d\u6587-custom transformer<\/h2>\n<p>\u4f7f\u7528\u7c7b\u4f3c\u4e8eSQL\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u64cd\u4f5cRDD<br \/>\nSpark SQL\u7684\u5165\u53e3\u70b9\u662fSQLContext<br \/>\nSQLContext\u662f\u901a\u8fc7\u4f7f\u7528SparkContext\u6765\u751f\u6210\u7684\u3002<\/p>\n<p>\u4f7f\u7528\u62bd\u8c61\u5316\u7684\u6570\u636e\u7ed3\u6784DataFrame\u6765\u64cd\u4f5c\uff0cDataFrame\u4e5f\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u8fd9\u4e2a\u7ed3\u6784\u62bd\u8c61\u4e86RDD\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u6211\u5f00\u59cb\u53c2\u4e0e\u4f7f\u7528Amazon EMR\u548cApache Spark\u6765\u6c47\u603b\u62a5\u544a\u6570\u636e\u7684\u5de5\u4f5c\uff0c\u4f46\u7531\u4e8e\u6709\u592a\u591a\u6211\u4e0d\u61c2\u7684\u672f [&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-36839","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>Apache Spark \u521d\u5b66\u8005\u7b14\u8bb0 - 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\/apache-spark-\u521d\u5b66\u8005\u7b14\u8bb0\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Apache Spark \u521d\u5b66\u8005\u7b14\u8bb0\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u6211\u5f00\u59cb\u53c2\u4e0e\u4f7f\u7528Amazon EMR\u548cApache Spark\u6765\u6c47\u603b\u62a5\u544a\u6570\u636e\u7684\u5de5\u4f5c\uff0c\u4f46\u7531\u4e8e\u6709\u592a\u591a\u6211\u4e0d\u61c2\u7684\u672f [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-\u521d\u5b66\u8005\u7b14\u8bb0\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-14T15:27:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-28T17:25:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b2d37434c4406c49a50\/3-0.png\" \/>\n<meta name=\"author\" content=\"\u97f5, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u97f5, \u79d1\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/\",\"name\":\"Apache Spark \u521d\u5b66\u8005\u7b14\u8bb0 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-05-14T15:27:32+00:00\",\"dateModified\":\"2024-04-28T17:25:34+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Apache Spark \u521d\u5b66\u8005\u7b14\u8bb0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e\",\"name\":\"\u97f5, \u79d1\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g\",\"caption\":\"\u97f5, \u79d1\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yunke\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Apache Spark \u521d\u5b66\u8005\u7b14\u8bb0 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-\u521d\u5b66\u8005\u7b14\u8bb0\/","og_locale":"zh_CN","og_type":"article","og_title":"Apache Spark \u521d\u5b66\u8005\u7b14\u8bb0","og_description":"\u9996\u5148 \u6211\u5f00\u59cb\u53c2\u4e0e\u4f7f\u7528Amazon EMR\u548cApache Spark\u6765\u6c47\u603b\u62a5\u544a\u6570\u636e\u7684\u5de5\u4f5c\uff0c\u4f46\u7531\u4e8e\u6709\u592a\u591a\u6211\u4e0d\u61c2\u7684\u672f [&hellip;]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-\u521d\u5b66\u8005\u7b14\u8bb0\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-05-14T15:27:32+00:00","article_modified_time":"2024-04-28T17:25:34+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b2d37434c4406c49a50\/3-0.png"}],"author":"\u97f5, \u79d1","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u97f5, \u79d1","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/","name":"Apache Spark \u521d\u5b66\u8005\u7b14\u8bb0 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-05-14T15:27:32+00:00","dateModified":"2024-04-28T17:25:34+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"Apache Spark \u521d\u5b66\u8005\u7b14\u8bb0"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e","name":"\u97f5, \u79d1","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g","caption":"\u97f5, \u79d1"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yunke\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-%e5%88%9d%e5%ad%a6%e8%80%85%e7%ac%94%e8%ae%b0\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/36839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=36839"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/36839\/revisions"}],"predecessor-version":[{"id":71534,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/36839\/revisions\/71534"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=36839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=36839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=36839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}