{"id":47026,"date":"2022-12-26T12:01:27","date_gmt":"2022-12-07T22:29:10","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-3-0%e4%b8%ad%e7%9a%84%e6%96%b0%e7%bb%93%e6%9e%84%e5%8c%96%e6%b5%81%e5%bc%8f%e5%a4%84%e7%90%86%e7%94%a8%e6%88%b7%e7%95%8c%e9%9d%a2\/"},"modified":"2024-04-29T07:02:52","modified_gmt":"2024-04-28T23:02:52","slug":"apache-spark-3-0%e4%b8%ad%e7%9a%84%e6%96%b0%e7%bb%93%e6%9e%84%e5%8c%96%e6%b5%81%e5%bc%8f%e5%a4%84%e7%90%86%e7%94%a8%e6%88%b7%e7%95%8c%e9%9d%a2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/apache-spark-3-0%e4%b8%ad%e7%9a%84%e6%96%b0%e7%bb%93%e6%9e%84%e5%8c%96%e6%b5%81%e5%bc%8f%e5%a4%84%e7%90%86%e7%94%a8%e6%88%b7%e7%95%8c%e9%9d%a2\/","title":{"rendered":"Apache Spark 3.0\u4e2d\u7684\u65b0\u7ed3\u6784\u5316\u6d41\u5f0f\u5904\u7406\u7528\u6237\u754c\u9762"},"content":{"rendered":"

\u5982\u4f55\u901a\u8fc7Spark 3.0\u7ed3\u6784\u5316\u6d41\u5b9e\u65f6\u67e5\u8be2\u6765\u66f4\u597d\u5730\u76d1\u63a7\u6d41\u6570\u636e\u67e5\u8be2\u2014\u2014\u6765\u81eaDatabricks\u535a\u5ba2\u7684\u7ffb\u8bd1\u3002<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u662f\u7531\u963f\u91cc\u5df4\u5df4\u7684\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u4e8e\u6839\u6bdb\u64b0\u5199\u7684\u6765\u5bbe\u793e\u533a\u7684\u6295\u7a3f\u3002<\/p><\/blockquote>\n

Apache Spark 2.0\u4ecb\u7ecd\u4e86\u7ed3\u6784\u5316\u6d41\u5904\u7406\uff0c\u5e76\u8bc1\u660e\u6210\u4e3a\u6784\u5efa\u5206\u5e03\u5f0f\u6d41\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u6700\u4f73\u5e73\u53f0\u3002\u501f\u52a9SQL\/\u6570\u636e\u96c6\/\u6570\u636e\u6846\u67b6API\u4e0eSpark\u5185\u7f6e\u529f\u80fd\u7684\u96c6\u6210\uff0c\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u5904\u7406\u6d41\u7684\u805a\u5408\u3001\u6d41\u4e0e\u6d41\u7684\u8fde\u63a5\u4ee5\u53ca\u7a97\u53e3\u652f\u6301\u7b49\u590d\u6742\u9700\u6c42\u3002\u81ea\u7ed3\u6784\u5316\u6d41\u5904\u7406\u63a8\u51fa\u4ee5\u6765\uff0c\u6211\u4eec\u9891\u7e41\u6536\u5230\u5f00\u53d1\u4eba\u5458\u7684\u8be2\u95ee\uff0c\u5e0c\u671b\u80fd\u591f\u63d0\u4f9b\u66f4\u597d\u7684\u6d41\u5904\u7406\u7ba1\u7406\u65b9\u5f0f\uff0c\u4e0eSpark\u6d41\u5904\u7406\uff08DStream\uff09\u7684\u652f\u6301\u76f8\u540c\u3002\u5728Apache Spark 3.0\u4e2d\uff0c\u6211\u4eec\u53d1\u5e03\u4e86\u4e13\u4e3a\u7ed3\u6784\u5316\u6d41\u5904\u7406\u8bbe\u8ba1\u7684\u65b0\u7528\u6237\u754c\u9762\u3002<\/p>\n

\u901a\u8fc7\u65b0\u7684\u7ed3\u6784\u5316\u6d41\u5a92\u4f53\u7528\u6237\u754c\u9762\uff0c\u63d0\u4f9b\u6240\u6709\u6d41\u5a92\u4f53\u4f5c\u4e1a\u7684\u6709\u7528\u4fe1\u606f\u548c\u7edf\u8ba1\u4fe1\u606f\uff0c\u4ee5\u4fbf\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u8c03\u8bd5\uff0c\u5e76\u6539\u5584\u8fd0\u8425\u65f6\u7684\u5b9e\u65f6\u5ea6\u91cf\u53ef\u89c6\u6027\u3002\u7528\u6237\u754c\u9762\u663e\u793a\u4e24\u4e2a\u7edf\u8ba1\u4fe1\u606f\u96c6\u5408\uff1a1\uff09\u6d41\u5a92\u4f53\u67e5\u8be2\u4f5c\u4e1a\u7684\u6c47\u603b\u4fe1\u606f\uff0c2\uff09\u6d89\u53ca\u6d41\u5a92\u4f53\u67e5\u8be2\u7684\u8be6\u7ec6\u7edf\u8ba1\u4fe1\u606f\uff0c\u5305\u62ec\u8f93\u5165\u901f\u7387\u3001\u5904\u7406\u901f\u7387\u3001\u8f93\u5165\u884c\u6570\u3001\u6279\u5904\u7406\u6301\u7eed\u65f6\u95f4\u3001\u64cd\u4f5c\u6301\u7eed\u65f6\u95f4\u7b49\u3002<\/p>\n

\u6d41\u5a92\u4f53\u67e5\u8be2\u4f5c\u4e1a\u7684\u6c47\u603b\u4fe1\u606f<\/h1>\n
\"\"<\/div>\n

\u901a\u8fc7\u70b9\u51fb”LAN ID”\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u6d41\u67e5\u8be2\u7684\u8be6\u7ec6\u7edf\u8ba1\u4fe1\u606f\u3002<\/p>\n

\u8be6\u7ec6\u7edf\u8ba1\u4fe1\u606f<\/h1>\n
\"\"<\/div>\n

\u8fd9\u91cc\u5305\u62ec\u4ee5\u4e0b\u6307\u6807\u3002<\/p>\n

Input Rate: (\u5168\u3066\u306e\u30bd\u30fc\u30b9\u304b\u3089)\u5230\u7740\u3059\u308b\u30c7\u30fc\u30bf\u306e\u30ec\u30fc\u30c8\u306e\u96c6\u8a08\u5024\u3002<\/p>\n

Process Rate: Spark\u304c(\u5168\u3066\u306e\u30bd\u30fc\u30b9\u304b\u3089\u306e)\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u30ec\u30fc\u30c8\u306e\u96c6\u8a08\u5024\u3002<\/p>\n

Batch Duration: \u305d\u308c\u305e\u308c\u306e\u30d0\u30c3\u30c1\u306b\u8981\u3059\u308b\u6642\u9593\u3002<\/p>\n

Operation Duration: \u69d8\u3005\u306a\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u8981\u3057\u305f\u6642\u9593(m\u79d2)<\/p>\n

\u4ee5\u4e0b\u662f\u8ffd\u8e2a\u64cd\u4f5c\u7684\u5185\u5bb9\u3002<\/p>\n

addBatch: \u30de\u30a4\u30af\u30ed\u30d0\u30c3\u30c1\u304c\u30bd\u30fc\u30b9\u304b\u3089\u5165\u529b\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u3001\u51e6\u7406\u3057\u3001\u30b7\u30f3\u30af\u306b\u30d0\u30c3\u30c1\u306e\u51fa\u529b\u3092\u66f8\u304d\u51fa\u3059\u306e\u306b\u8981\u3059\u308b\u6642\u9593\u3002\u3053\u308c\u306f\u30de\u30a4\u30af\u30ed\u30d0\u30c3\u30c1\u306e\u51e6\u7406\u6642\u9593\u306e\u5927\u90e8\u5206\u3092\u5360\u3081\u307e\u3059\u3002<\/p>\n

getBatch: \u30bd\u30fc\u30b9\u304b\u3089\u73fe\u5728\u306e\u30de\u30a4\u30af\u30ed\u30d0\u30c3\u30c1\u306e\u5165\u529b\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e\u8ad6\u7406\u7684\u30af\u30a8\u30ea\u30fc\u3092\u6e96\u5099\u306b\u8981\u3059\u308b\u6642\u9593\u3002<\/p>\n

getOffset: \u65b0\u305f\u306a\u5165\u529b\u306a\u30c7\u30fc\u30bf\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u30bd\u30fc\u30b9\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u306e\u306b\u8981\u3059\u308b\u6642\u9593\u3002<\/p>\n

walCommit:\u3000\u30e1\u30bf\u30c7\u30fc\u30bf\u30ed\u30b0\u3078\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u306e\u66f8\u304d\u8fbc\u307f\u3002<\/p>\n

queryPlanning: \u5b9f\u884c\u8a08\u753b\u306e\u751f\u6210\u3002<\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u7684\u64cd\u4f5c\u90fd\u4f1a\u663e\u793a\u5728\u7528\u6237\u754c\u9762\u4e0a\u3002\u56e0\u4e3a\u6bcf\u4e2a\u6570\u636e\u6e90\u6709\u4e0d\u540c\u7c7b\u578b\u7684\u4e0d\u540c\u64cd\u4f5c\uff0c\u6240\u4ee5\u5217\u51fa\u7684\u64cd\u4f5c\u53ef\u80fd\u53ea\u4f1a\u5728\u4e00\u4e2a\u6d41\u67e5\u8be2\u4e2d\u6267\u884c\u4e00\u90e8\u5206\u3002<\/p>\n

\u901a\u8fc7\u7528\u6237\u754c\u9762\u8fdb\u884c\u6d41\u5a92\u4f53\u6027\u80fd\u6545\u969c\u6392\u9664\u3002<\/h1>\n

\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u8fd9\u91cc\u7684\u65b0\u7ed3\u6784\u5316\u6d41\u5a92\u4f53UI\uff0c\u5b83\u4f1a\u901a\u77e5\u6211\u4eec\u53d1\u751f\u4e86\u5947\u602a\u7684\u4e8b\u60c5\u7684\u60c5\u51b5\u3002\u5728\u9ad8\u5c42\u6b21\u4e0a\uff0c\u6211\u4eec\u4f7f\u7528\u4ee5\u4e0b\u6f14\u793a\u67e5\u8be2\uff0c\u5e76\u5728\u6bcf\u79cd\u60c5\u51b5\u4e0b\u63d0\u51fa\u4e00\u4e9b\u5047\u8bbe\u6761\u4ef6\u3002<\/p>\n

import<\/span> java.util.UUID<\/span>\r\n\r\nval<\/span> bootstrapServers<\/span> =<\/span> ...<\/span>\r\nval<\/span> topics<\/span> =<\/span> ...<\/span>\r\nval<\/span> checkpointLocation<\/span> =<\/span> \"\/tmp\/temporary-\"<\/span> +<\/span> UUID<\/span>.<\/span>randomUUID<\/span>.<\/span>toString<\/span>\r\n\r\nval<\/span> lines<\/span> =<\/span> spark<\/span>\r\n    .<\/span>readStream<\/span>\r\n    .<\/span>format<\/span>(<\/span>\"kafka\"<\/span>)<\/span>\r\n    .<\/span>option<\/span>(<\/span>\"kafka.bootstrap.servers\"<\/span>,<\/span> bootstrapServers<\/span>)<\/span>\r\n    .<\/span>option<\/span>(<\/span>\"subscribe\"<\/span>,<\/span> topics<\/span>)<\/span>\r\n    .<\/span>load<\/span>()<\/span>\r\n    .<\/span>selectExpr<\/span>(<\/span>\"CAST(value AS STRING)\"<\/span>)<\/span>\r\n    .<\/span>as<\/span>[<\/span>String<\/span>]<\/span>\r\n\r\nval<\/span> wordCounts<\/span> =<\/span> lines<\/span>.<\/span>flatMap<\/span>(<\/span>_<\/span>.<\/span>split<\/span>(<\/span>\" \"<\/span>)).<\/span>groupBy<\/span>(<\/span>\"value\"<\/span>).<\/span>count<\/span>()<\/span>\r\n\r\nval<\/span> query<\/span> =<\/span> wordCounts<\/span>.<\/span>writeStream<\/span>\r\n    .<\/span>outputMode<\/span>(<\/span>\"complete\"<\/span>)<\/span>\r\n    .<\/span>format<\/span>(<\/span>\"console\"<\/span>)<\/span>\r\n    .<\/span>option<\/span>(<\/span>\"checkpointLocation\"<\/span>,<\/span> checkpointLocation<\/span>)<\/span>\r\n    .<\/span>start<\/span>()<\/span>\r\n<\/code><\/pre>\n
\u7531\u4e8e\u5904\u7406\u80fd\u529b\u4e0d\u8db3\u800c\u5bfc\u81f4\u5ef6\u8fdf\u589e\u52a0\u3002<\/h2>\n
\"\"<\/div>\n
\u7a33\u5b9a\u4f46\u5ef6\u8fdf\u8f83\u9ad8<\/h2>\n
\"\"<\/div>\n
\"\"<\/div>\n
\u5229\u7528\u64cd\u4f5c\u6301\u7eed\u65f6\u95f4\u56fe\u8868\u8fdb\u884c\u6545\u969c\u6392\u9664\u3002<\/h2>\n
\u64cd\u4f5c\u6301\u7eed\u65f6\u95f4\u56fe\u8868\u663e\u793a\u6267\u884c\u5404\u79cd\u64cd\u4f5c\u6240\u9700\u7684\u65f6\u95f4\uff08\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d\uff09\u3002\u8fd9\u5bf9\u4e8e\u7406\u89e3\u6bcf\u4e2a\u6279\u6b21\u7684\u65f6\u95f4\u5206\u5e03\u5f88\u6709\u7528\uff0c\u5e76\u4e14\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u6545\u969c\u6392\u9664\u3002\u8ba9\u6211\u4eec\u4ee5Apache Spark\u793e\u533a\u4e2d\u7684\u6027\u80fd\u6539\u8fdb\u201cSPARK-30915: \u907f\u514d\u8bfb\u53d6\u5143\u6570\u636e\u65e5\u5fd7\u6587\u4ef6\u65f6\u68c0\u6d4b\u5230\u6700\u65b0\u6279\u6b21ID\u201d\u4e3a\u4f8b\u3002<\/p>\n
\"\"<\/div>\n
\"\"<\/div>\n
\u672a\u6765\u7684\u5f00\u53d1\u8ba1\u5212<\/h1>\n
\u5982\u4e0a\u6240\u793a\uff0c\u901a\u8fc7\u65b0\u7684\u7ed3\u6784\u5316\u6d41\u5a92\u4f53UI\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528\u66f4\u6709\u76ca\u7684\u6d41\u5a92\u4f53\u67e5\u8be2\u4fe1\u606f\u6765\u76d1\u89c6\u6d41\u5a92\u4f53\u4f5c\u4e1a\u3002\u5728\u521d\u59cb\u53d1\u5e03\u7248\u672c\u4e2d\uff0c\u65b0\u7684UI\u4ecd\u5728\u5f00\u53d1\u4e2d\uff0c\u5e76\u5c06\u5728\u5c06\u6765\u7684\u53d1\u5e03\u4e2d\u5f97\u4ee5\u6539\u8fdb\u3002\u5c3d\u7ba1\u4e0d\u662f\u5168\u90e8\uff0c\u4f46\u4ee5\u4e0b\u529f\u80fd\u5c06\u5728\u672a\u6765\u5b9e\u65bd\u8ba1\u5212\u4e2d\u5305\u62ec\uff1a<\/p>\n
    \n
  • \n
      \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30af\u30a8\u30ea\u30fc\u5b9f\u884c\u8a73\u7d30\u306e\u8ffd\u52a0: \u9045\u5ef6\u30c7\u30fc\u30bf\u3001\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u3001\u72b6\u614b\u3001\u30e1\u30c8\u30ea\u30af\u30b9\u306a\u3069\u3002<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          Spark\u30d2\u30b9\u30c8\u30ea\u30fc\u30b5\u30fc\u30d0\u30fc\u306b\u304a\u3051\u308b\u69cb\u9020\u5316\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0UI\u306e\u30b5\u30dd\u30fc\u30c8\u3002<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \u30ec\u30fc\u30c6\u30f3\u30b7\u30fc\u306e\u767a\u751f\u306a\u3069\u7570\u5e38\u4e8b\u614b\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u30c6\u30a3\u30c3\u30d7\u30b9\u3002<\/ul>\n
            \u5c1d\u8bd5\u65b0\u7684\u7528\u6237\u754c\u9762<\/h1>\n
            \u8bf7\u5c1d\u8bd5\u4f7f\u7528\u6700\u65b0\u7684Databricks Runtime 7.1\u652f\u6301\u7684Apache Spark 3.0\u7684Spark Streaming UI\u3002\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528Databricks\u7b14\u8bb0\u672c\uff0c\u5219\u53ef\u4ee5\u67e5\u770b\u7b14\u8bb0\u672c\u4e2d\u6d41\u67e5\u8be2\u7684\u72b6\u6001\uff0c\u5e76\u63d0\u4f9b\u7b80\u5355\u7684\u67e5\u8be2\u7ba1\u7406\u65b9\u5f0f\u3002Databricks\u53ef\u4ee5\u5728\u51e0\u5206\u949f\u5185\u514d\u8d39\u5f00\u59cb\u4f7f\u7528\uff0c\u65e0\u9700\u6ce8\u518c\u4fe1\u7528\u5361\u3002<\/p>\n
            Databricks \u514d\u8d39\u8bd5\u7528<\/h3>\n
            \u5728\u4e2d\u56fd\uff0cDatabricks \u63d0\u4f9b\u514d\u8d39\u8bd5\u7528\u7248\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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