{"id":41054,"date":"2023-11-19T19:25:14","date_gmt":"2022-12-17T00:13:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch-hadoop%e4%b8%8a%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8spark%e3%80%82\/"},"modified":"2024-05-04T09:52:28","modified_gmt":"2024-05-04T01:52:28","slug":"%e5%9c%a8elasticsearch-hadoop%e4%b8%8a%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8spark%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch-hadoop%e4%b8%8a%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8spark%e3%80%82\/","title":{"rendered":"\u5728elasticsearch-hadoop\u4e0a\u5c1d\u8bd5\u4f7f\u7528Spark"},"content":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662f2014\u5e74Elasticsearch Advent Calendar\u7b2c20\u5929\u7684\u5e16\u5b50\u3002<\/p>\n<p>\u8fd9\u4e2a\u8bdd\u9898\u5f88\u75af\u72c2\uff0c\u4f46\u6211\u4f1a\u7acb\u523b\u5f00\u59cb\u3002<\/p>\n<h1>\u8bf7\u603b\u7ed3\u4e00\u4e0b\u3002<\/h1>\n<p>\u4f3c\u4e4e\u5728elasticsearch\u7684\u4e3b\u9875\u4e0a\uff0c\u9664\u4e86Kibana\u548cLogstash\u7b49\u5de5\u5177\u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u540d\u4e3aelasticsearch-hadoop\u7684\u4ea7\u54c1\u3002<\/p>\n<p>\u5f53\u6211\u770b\u5230\u8fd9\u4e2a\u540d\u5b57\u65f6\uff0c\u6211\u7684\u8111\u6d77\u91cc\u54cd\u8d77\u4e86\u4e00\u4e2a\u8b66\u544a\u7684\u58f0\u97f3\uff0c\u4f46\u5728\u63a5\u89e6\u8fc7\u7a0b\u4e2d\u6211\u9010\u6e10\u610f\u8bc6\u5230\u8fd9\u53ea\u662f\u675e\u4eba\u5fe7\u5929\uff0c\u7ed3\u679c\u53d8\u5f97\u8d8a\u6765\u8d8a\u6709\u8da3\u4e86\u3002\u56e0\u6b64\uff0c\u6211\u60f3\u4ecb\u7ecd\u7ed9\u5927\u5bb6\u3002<\/p>\n<h1>elasticsearch-hadoop \u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u8fd9\u4e2a\u9879\u76ee\u7684\u6b63\u5f0f\u540d\u79f0\u662f\u300cElasticsearch for Apache Hadoop\u300d\u3002\u4f46\u662f\uff0c\u901a\u5e38\u88ab\u79f0\u4e3aelasticsearch-hadoop\u3002<\/p>\n<h2>\u6709\u53ef\u80fd\u7684\u4e8b\u60c5<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spark\u3001Hive\u3001Pig\u306a\u3069\u304b\u3089HDFS\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306bES\u3092\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u3057\u3066\u6271\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>Map\/Reduce\u306e\u30bf\u30b9\u30af\u5206\u6563\u51e6\u7406\u3092ES\u306e\u30ce\u30fc\u30c9\u3067\u5b9f\u73fe\u3059\u308b \u8ffd\u8a18<\/p>\n<p>elaticsearch on yarn \u3068\u3044\u3046YARN\u4e0a\u3067ES\u3092\u52d5\u304b\u3059\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u542b\u307e\u308c\u3066\u3044\u308b<\/p>\n<p>\u7b49\u7b49\u3002<\/p>\n<p>\u5728ES\u8282\u70b9\u4e0a\u6267\u884cMap\/Reduce\u7684\u4efb\u52a1\u5206\u5e03\u5f0f\u5904\u7406\uff0c\u4f3c\u4e4e\u9700\u8981\u5728Hadoop\u7aef\u5c06\u76f8\u540c\u7684\u8282\u70b9\u6307\u5b9a\u4e3aTaskTracker\uff0c\u56e0\u6b64elasticsearch-hadoop\u65e0\u6cd5\u5b8c\u6210\u8be5\u4efb\u52a1\uff0c\u56e0\u6b64\u53d6\u6d88\u6b64\u64cd\u4f5c\u3002<\/p>\n<p>\u770b\u8d77\u6765\uff0c\u8fd9\u4e9b\u4e0eApache Hadoop\u9879\u76ee\u76f8\u5173\u8054\u7684\u5e93\u88ab\u79f0\u4e3aelasticsearch-hadoop\uff0c\u5c06\u5b83\u4eec\u6c47\u603b\u5728\u4e00\u8d77\u3002<\/p>\n<h2>\u6e90\u4ee3\u7801<\/h2>\n<p>\u8be5\u9879\u76ee\u5728Github\u4e0a\u4ee5\u5f00\u6e90\u65b9\u5f0f\u516c\u5f00\u3002<br \/>\n\u622a\u81f32014\u5e7412\u6708\uff0c\u5176\u7a33\u5b9a\u7248\u672c\u4e3av2.0\uff0cbeta\u7248\u672c\u4e3av2.1\u3002<br \/>\n\u5177\u4f53\u4fe1\u606f\u8bf7\u53c2\u89c1https:\/\/github.com\/elasticsearch\/elasticsearch-hadoop\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b3\u30df\u30c3\u30c8\u6570\u306f1000\u8d85\uff08ES\u672c\u4f53\u306f10000\u8d85\u3001kibana\u3084logstash\u306f6000\u8d85\u306a\u306e\u3067\u898f\u6a21\u306f1\/10\uff1f\uff09<\/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\">issues\u306f300, PR\u306f50\u7a0b\u5ea6<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">costin\u3055\u3093\u304c\u9811\u5f35\u3063\u3066\u4f5c\u3063\u3066\u308b<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d448937434c4406c9fc06\/15-0.png\" alt=\"image-es-advent-calendar1.png\" \/><\/div>\n<h1>\u7279\u70b9<\/h1>\n<h2>\u66ff\u4ee3HDFS\u7684\u6620\u50cf<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d448937434c4406c9fc06\/18-0.png\" alt=\"image-es-advent-calendar2.png\" \/><\/div>\n<p>\u4e3e\u4f8b\u6765\u8bf4\uff0c\u5982\u679c\u4ee5\u6700\u5de6\u8fb9\u7684MapReduce\u4e3a\u4f8b\uff0c\u6839\u636e\u4e0a\u56fe\u6240\u793a\uff0c\u5b83\u901a\u8fc7\u5904\u7406\u8f93\u5165\u6570\u636e\u7684\u62bd\u8c61\u7c7bInputFormat\u4e0eHDFS\u8fdb\u884c\u901a\u4fe1\u3002<br \/>\n\u800c\u5728\u4e0b\u56fe\u4e2d\uff0c\u901a\u8fc7\u7ee7\u627fInputFormat\u7c7b\u7684ESInputFormat\u7c7b\uff0c<br \/>\n\u5c06InputFormat\u539f\u672c\u6267\u884c\u7684&#8221;\u8f93\u5165\u6570\u636e\u7684\u5212\u5206\uff08InputSplit\uff09&#8221;\u548c&#8221;\u8bb0\u5f55\u8bfb\u53d6\u5668\u751f\u6210\uff08RecodeReader\uff09&#8221;\u7684\u529f\u80fd\u5bf9\u5e94\u5230\u4e86ES\u4e0a\u5e76\u8fdb\u884c\u4e86\u5b9e\u73b0\u3002<\/p>\n<p>\u901a\u8fc7\u7ee7\u627f\u6bcf\u4e2a\u9879\u76ee\u5bf9HDFS\u7684\u8bbf\u95ee\u90e8\u5206\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66ff\u4ee3HDFS\u7684\u529f\u80fd\uff0c\u8fd9\u662f\u5b83\u7684\u7279\u70b9\u3002<\/p>\n<p>\u867d\u7136\u56fe\u753b\u6709\u70b9\u4ee4\u4eba\u56f0\u60d1\uff0c\u4f46elasticsearch-hadoop\u662f\u4e0eHadoop\u5173\u8054\u7684\u5e93\uff0c\u800c\u4e0d\u662f\u5728Hadoop\u4e0a\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u8bf7\u6ce8\u610f\u3002<\/p>\n<h2>\u7b2c\u4e8c\u90e8\u5206\uff1aMapReduce\u548cElasticsearch\u7684\u5206\u7247<\/h2>\n<p>\u5728\u6587\u4ef6\u4e2d\uff0c\u81ea\u5938\u5730\u8868\u793aMap\/Reduce\u7684\u5206\u5e03\u7279\u6027\u4e0eES\u7684\u5206\u7247\u5173\u7cfb\u5f88\u597d\u5730\u914d\u5408\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d448937434c4406c9fc06\/24-0.png\" alt=\"image-es-advent-calendar3.png\" \/><\/div>\n<p>EsInputFormat\u4eceES\u83b7\u53d6\u4e3b\u5206\u7247\u4fe1\u606f\uff0c\u5e76\u751f\u6210ShardInputSplit\u6765\u5b9a\u4e49\u6bcf\u4e2a\u5206\u7247\u6301\u6709\u7684\u5df2\u5206\u5272\u6587\u6863\u4f5c\u4e3a\u8f93\u5165\u503c\u3002<br \/>\n\u4e3a\u4e86\u907f\u514d\u6570\u636e\u91cd\u590d\uff0c\u4e0d\u4f7f\u7528\u526f\u672c\u3002<br \/>\nHadoop\u4f1a\u6839\u636e\u6b64\u751f\u6210\u5206\u5272\u540e\u7684Map\u4efb\u52a1\uff0c\u6240\u4ee5\u5728elasticsearch-hadoop\u4e2d\uff0cshard\u6570=Map\u4efb\u52a1\u6570\u3002<br \/>\n\uff08\u8fd9\u662f\u7b26\u5408\u7684\uff01\uff09<\/p>\n<p>\u4eceES\u8fd4\u56de\u7684JSON\u7ecf\u8fc7Map&lt;docid, JSON&gt;\u8f6c\u5316\u6210ShardRecodeReader\uff0c\u4e3a\u4e4b\u540e\u7684shuffle\u505a\u51c6\u5907\u3002<br \/>\n\u5728Map\u51fd\u6570\u540e\u7684\u5904\u7406\u4f1a\u53d8\u6210\u719f\u6089\u7684MapReduce\u3002<\/p>\n<h2>\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u62e9\uff0c\u7528\u4e2d\u6587\u672c\u5730\u5316\u5730\u6539\u8ff0\u4ee5\u4e0b\u5185\u5bb9\uff1a<br \/>\n\u5411ES\u7684\u95ee\u9898\u67e5\u8be2\u662f\u901a\u8fc7REST<\/h2>\n<h3>\u5728InputSplit\u4e2d\u83b7\u53d6ES\u7684\u4e3b\u5206\u7247\u4fe1\u606f<\/h3>\n<p>\u6211\u5c06\u4ee5\u4e0b\u7684REST\u8bf7\u6c42\u53d1\u9001\u5230\u6307\u5b9a\u4e86${es.nodes}\u7684ES\u3002<\/p>\n<h4>REST1: \u901a\u8fc7\u4f7f\u7528HTTP\u83b7\u53d6\u8282\u70b9<\/h4>\n<p>\u67e5\u8be2\u6307\u5b9a\u7684 Elasticsearch \u8282\u70b9\u7684 HTTP \u4fe1\u606f\u3002<\/p>\n<p>\u53ef\u7528\u7684\u9009\u9879\uff1a<br \/>\ncurl {es.node}\/_nodes\/http<\/p>\n<p>\u54cd\u5e94\u6458\u8981<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">cluster_name<\/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\">nodes<\/ul>\n<\/li>\n<\/ul>\n<p>node<\/p>\n<p>name<br \/>\ntransport_address<br \/>\nhost<br \/>\nip<br \/>\nversion<br \/>\nbuild<br \/>\nhttp_address<br \/>\nhttp<\/p>\n<h4>\u83b7\u53d6\u5206\u7247\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528REST2\u4e2d\u7684index\/_search_shards\u3002<\/h4>\n<p>\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u7684\u65b9\u5f0f\u6765\u6539\u5199\u8fd9\u53e5\u8bdd\uff1a<\/p>\n<p>\u4ee5\u672c\u673a\u7684\u65b9\u5f0f\u5728\u4e2d\u6587\u4e2d\u6539\u5199\u4ee5\u4e0b\u53e5\u5b50\uff1acurl ${es.node}\/*\/_search_shards<\/p>\n<p>\u56de\u5e94\u6458\u8981<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">shards<\/ul>\n<\/li>\n<\/ul>\n<p>shard<\/p>\n<p>state<br \/>\nprimary<br \/>\nnode<br \/>\nrelocating_node<br \/>\nshard<br \/>\nindex<\/p>\n<p>nodes<\/p>\n<p>node<\/p>\n<h3>\u5728RecodeReader\u4e2d\u5411ES\u53d1\u51fa\u7684\u67e5\u8be2\u8bf7\u6c42\u3002<\/h3>\n<h4>\u4f7f\u7528REST3\u7684_search api\u6765\u83b7\u53d6\u6587\u6863\u3002<\/h4>\n<p>\u4f7f\u7528\u539f\u59cb\u7684\u4e2d\u6587\u7ffb\u8bd1\u5982\u4e0b\uff1a<br \/>\n\u4f7f\u7528cURL\u8fdb\u884cXPOST\u8bf7\u6c42\uff0c\u76ee\u6807\u94fe\u63a5\u4e3a${SHARD_HOST}\/${INDEX}\/_search\/scroll\uff0c\u8bf7\u6c42\u53c2\u6570\u4e3a&#8221;${QUERY}&#8221;\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">params<\/ul>\n<\/li>\n<\/ul>\n<p>search_type=scan<br \/>\nscroll=keepalive(default 10m)<br \/>\nsize=(default 50)<br \/>\npreference=_shards:shard;_only_node:node<\/p>\n<p>SHARD_HOST\u53d8\u91cf\u662f\u83b7\u53d6\u5230\u7684\u5206\u7247\u4e3b\u673a\uff0cINDEX\u548cQUERY\u53d8\u91cf\u662f\u5728\u4f5c\u4e1a\u6267\u884c\u524d\u901a\u8fc7Configuration\u9884\u5148\u6307\u5b9a\u7684\uff08\u540e\u9762\u4f1a\u8be6\u7ec6\u8bf4\u660e\uff09\u3002<br \/>\nelasticsearch-hadoop\u4f1a\u9010\u6b65\u5730\u901a\u8fc7scan and scroll\u65b9\u5f0f\u8bfb\u53d6\u7ed9\u5b9a\u7684\u67e5\u8be2\u3002\u7531\u4e8e\u5728\u6587\u6863\u4e2d\u627e\u4e0d\u5230\u76f8\u5173\u4fe1\u606f\uff0c\u6240\u4ee5\u6211\u8bfb\u4e86\u6e90\u4ee3\u7801\u3002<br \/>\n\u4f7f\u7528_scroll_id\u6765\u83b7\u53d6\u6240\u9700\u5927\u5c0f\u7684\u6570\u636e\uff0c\u5f53\u6570\u636e\u4e0d\u591f\u65f6\uff0c\u901a\u8fc7_scroll_id\u83b7\u53d6\u5269\u4f59\u7684\u6570\u636e\u3002<\/p>\n<p>\u4ee5\u81ea\u7136\u6d41\u5229\u7684\u4e2d\u6587\u91cd\u65b0\u8868\u8fbe\u8be5\u53e5\uff1a<br \/>\n\u901a\u8fc7XPOST\u65b9\u6cd5\u5411${SHARD_HOST}\/${INDEX}\/_search\/scroll\u53d1\u9001\u8bf7\u6c42\uff0c\u5e76\u5e26\u4e0a\u53c2\u6570&#8221;${scrollId}&#8221;\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">params<\/ul>\n<\/li>\n<\/ul>\n<p>scroll=keepalive(default 10m)<\/p>\n<p>\u8fd9\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u5904\u7406\uff0c\u7528\u4e8e\u83b7\u53d6\u4e0e\u67e5\u8be2\u5339\u914d\u7684\u6240\u6709\u6587\u6863\uff0c\u5373\u4f7f\u5728\u9700\u8981\u6df1\u5ea6\u6eda\u52a8\u7684\u5927\u578b\u6570\u636e\u96c6\u4e2d\uff0c\u4f7f\u7528elasticsearch-hadoop\u53ea\u9700\u6307\u5b9a\u67e5\u8be2\u5373\u53ef\u5b9e\u73b0\u5168\u91cf\u83b7\u53d6\u3002<\/p>\n<p>\u626b\u63cf\u548c\u6eda\u52a8\u662f\u4e00\u79cd\u7528\u4e8e\u83b7\u53d6\u4e0e\u6eda\u52a8\u5f00\u59cb\u65f6\u5185\u5bb9\u76f8\u4e00\u81f4\u7684\u641c\u7d22\u7c7b\u578b\uff0c\u5373\u4f7f\u5728\u6eda\u52a8\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u4e86\u66f4\u65b0\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u91cd\u65b0\u7d22\u5f15\u7b49\u64cd\u4f5c\uff08\u7531\u4e8e\u8d1f\u8f7d\u8f83\u9ad8\uff0c\u4e0d\u80fd\u7528\u4e8e\u5b9e\u65f6\u641c\u7d22\uff09\u3002<\/p>\n<h2>\u6b64\u5916\uff0c\u6211\u7684\u770b\u6cd5\u662f<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">HDFS\u3068\u6bd4\u3079\u3066REST\u5206\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u304b\u304b\u308b\u306e\u3067\u3001\u5358\u7d14\u306b\u540c\u3058\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b5\u30a4\u30ba\u3060\u3068HDFS\u3068\u540c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u3067\u306a\u3044\u304b\u3082<\/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\">elasticsearch-hadoop\u304c\u5f97\u610f\u3068\u3059\u308b\u306e\u306f\u3001\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u4e2d\u3067\u30c7\u30fc\u30bf\u3092\u691c\u7d22\u3057\u3066\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b5\u30a4\u30ba\u3092\u4e00\u6c17\u306b\u6e1b\u3089\u305b\u308b\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3084\u3001<\/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\">\u66f4\u65b0\u304c\u304b\u304b\u308a\u306b\u304f\u304f\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u30d2\u30c3\u30c8\u7387\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u3092\u6271\u3046\u30b1\u30fc\u30b9\u3060\u3068\u601d\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u6271\u3046\u30c7\u30fc\u30bf\u3092\u9078\u3079\u3070HDFS\u4ee5\u4e0a\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee\u3057\u3066\u304f\u308c\u305d\u3046\u306a\u6c17\u914d\u3092\u611f\u3058\u308b\uff08\u5b9f\u8a3c\u306a\u3057\uff09<\/ul>\n<h1>\u8ba9\u5b83\u52a8\u8d77\u6765\u8bd5\u8bd5<\/h1>\n<h2>one possible option for paraphrasing &#8220;\u76ee\u7684&#8221; in Chinese is &#8220;\u76ee\u6807&#8221; , which means &#8220;goal&#8221; or &#8220;objective.&#8221;<\/h2>\n<p>\u5047\u8bbe\u6709\u8fd9\u6837\u7684\u60c5\u51b5\uff0c\u6211\u4eec\u5c06\u4f7f\u7528elasticsearch-hadoop\u6765\u521b\u5efaSpark RDD\uff0c\u5c06\u5176\u4f5c\u4e3a\u6559\u7a0b\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">kibana\u683c\u597d\u3044\u3044\u304b\u3089\u3001\u3068\u308a\u3042\u3048\u305a\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u3092\u7a81\u3063\u8fbc\u3093\u3060<\/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\">\u3057\u3070\u3089\u304f\u3057\u3066\u3001kibana\u3067\u306f\u51fa\u6765\u306a\u3044\u3088\u3046\u306a\u8907\u96d1\u306a\u89e3\u6790\u3082\u3057\u305f\u304f\u306a\u3063\u305f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u3082\u3061\u308d\u3093Hadoop\u306a\u3093\u3066\u306a\u3044\u3002\u30ed\u30b0\u306fES\u306b\u3057\u304b\u5165\u3063\u3066\u306a\u3044\uff08\u3057\u304b\u3082\u4e00\u30f6\u6708\u3067\u5410\u304d\u6368\u3066\uff09<\/ul>\n<p>\u5982\u679c\u6709\u4e00\u4e2a\u6708\u7684\u65f6\u95f4\uff0c\u7528Spark\u7684\u77ed\u6279\u5904\u7406\u4f3c\u4e4e\u53ef\u4ee5\u5b8c\u5168\u8fd0\u8f6c\u3002\u6211\u4eec\u8bd5\u7740\u8fde\u63a5\u5427\u3002<\/p>\n<h2>\u628a\u6240\u9700\u4e4b\u7269\u653e\u5165<\/h2>\n<p>\u4e3a\u4e86\u6a21\u62df\u73af\u5883\uff0c\u6211\u4eec\u5c06\u8bb0\u5f55\u8bbf\u95ee\u65e5\u5fd7\u3002<\/p>\n<div>\n<div class=\"post-table\">\u5165\u308c\u308b\u3082\u306e\u30d0\u30fc\u30b8\u30e7\u30f3elasticsearch1.4.2logstash1.4.2spark1.1.0<\/div>\n<\/div>\n<h3>\u4e0b\u8f7d<\/h3>\n<pre class=\"post-pre\"><code>cd ~\/es-advent-calendar\r\n\r\nwget https:\/\/download.elasticsearch.org\/elasticsearch\/elasticsearch\/elasticsearch-1.4.2.tar.gz\r\nwget https:\/\/download.elasticsearch.org\/logstash\/logstash\/logstash-1.4.2.tar.gz\r\nwget http:\/\/d3kbcqa49mib13.cloudfront.net\/spark-1.1.0.tgz\r\n\r\ntar -zxvf elasticsearch-1.4.2.tar.gz \r\ntar -zxvf logstash-1.4.2.tar.gz \r\ntar zxvf spark-1.1.0.tgz\r\n\r\n<\/code><\/pre>\n<h3>\u5b89\u88c5Elasticsearch\u3002<\/h3>\n<pre class=\"post-pre\"><code>echo '\r\n################################### My Configuration ###################################\r\n\r\ncluster.name: logs_cluster\r\nindex.number_of_replicas: 0\r\n' &gt;&gt; config\/elasticsearch.yml\r\n\r\nmkdir config\/templates &amp;&amp; echo '\r\n{\r\n  \"template\": \"access_log-*\",\r\n  \"mappings\": {\r\n    \"_default_\": {\r\n      \"dynamic_templates\": [\r\n        {\r\n          \"string_template\" : {\r\n            \"match\" : \"*\",\r\n            \"match_mapping_type\" : \"string\",\r\n            \"mapping\": {\r\n              \"type\": \"string\",\r\n              \"index\": \"not_analyzed\"\r\n            }\r\n          }\r\n        }\r\n      ],\r\n      \"properties\": {\r\n        \"request\": {\r\n          \"type\": \"multi_field\",\r\n          \"fields\": {\r\n            \"request\": {\r\n              \"type\": \"string\",\r\n              \"index\" : \"not_analyzed\"\r\n            },\r\n            \"split_request\": {\r\n              \"type\": \"string\",\r\n              \"index\" : \"analyzed\"\r\n            }\r\n          }\r\n        },\r\n        \"referrer\": {\r\n          \"type\": \"multi_field\",\r\n          \"fields\": {\r\n            \"referrer\": {\r\n              \"type\": \"string\",\r\n              \"index\" : \"not_analyzed\"\r\n            },\r\n            \"split_referrer\": {\r\n              \"type\": \"string\",\r\n              \"index\" : \"analyzed\"\r\n            }\r\n          }\r\n        },\r\n        \"response\": {\r\n          \"type\": \"integer\"\r\n        },\r\n        \"bytes\": {\r\n          \"type\": \"integer\"\r\n        }\r\n      }\r\n    }\r\n  }\r\n}\r\n' &gt; config\/templates\/access_log_template.json\r\n\r\nbin\/elasticsearch\r\n<\/code><\/pre>\n<h3>\u5b89\u88c5 Logstash<\/h3>\n<pre class=\"post-pre\"><code>cd .\/logstash-1.4.2\r\n\r\nmkdir config &amp;&amp; echo '\r\ninput {\r\n  file {\r\n    path =&gt; \"~\/es-advent-calendar\/demo-access-logs\/access_log-*\"\r\n    start_position =&gt; \"beginning\"\r\n  }\r\n}\r\n\r\nfilter {\r\n  grok {\r\n    match =&gt; { \"message\" =&gt; \"%{COMBINEDAPACHELOG}\" }\r\n    break_on_match =&gt; false\r\n    tag_on_failure =&gt; [\"_message_parse_failure\"]\r\n  }\r\n  date {\r\n    match =&gt; [\"timestamp\", \"dd\/MMM\/YYYY:HH:mm:ss Z\"]\r\n    locale =&gt; en\r\n  }\r\n  grok {\r\n    match =&gt; { \"request\" =&gt; \"^\/%{WORD:first_path}\/%{GREEDYDATA}$\" }\r\n    tag_on_failure =&gt; [\"_request_parse_failure\"]\r\n  }\r\n  useragent {\r\n    source =&gt; \"agent\"\r\n    target =&gt; \"useragent\"\r\n  }\r\n}\r\n\r\noutput {\r\n  elasticsearch {\r\n    host =&gt; \"localhost\"\r\n    index =&gt; \"access_log-%{+YYYY.MM.dd}\"\r\n    cluster =&gt; \"logs_cluster\"\r\n    protocol =&gt; \"http\"\r\n  }\r\n}\r\n' &gt; config\/logstash.conf\r\n\r\nbin\/logstash --config config\/logstash.conf\r\n<\/code><\/pre>\n<h3>\u5b89\u88c5 Spark<\/h3>\n<pre class=\"post-pre\"><code>cd spark-1.1.0\r\nmvn -DskipTests clean package\r\n<\/code><\/pre>\n<h2>\u5236\u4f5cJava\u5e94\u7528\u7a0b\u5e8f<\/h2>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528Maven\u6765\u8fdb\u884celasticsearch-hadoop\u548cspark\u7684\u7248\u672c\u63a7\u5236\u3002<\/p>\n<p>\u7531\u4e8e\u6e90\u4ee3\u7801\u53ea\u6709\u8fd9\u4e00\u90e8\u5206\uff0c\u6240\u4ee5\u6ca1\u6709\u4e0a\u4f20\u81f3Github\u3002<\/p>\n<p>pom.xml\u6458\u5f55<\/p>\n<pre class=\"post-pre\"><code>    &lt;dependency&gt;\r\n      &lt;groupId&gt;org.elasticsearch&lt;\/groupId&gt;\r\n      &lt;artifactId&gt;elasticsearch-hadoop&lt;\/artifactId&gt;\r\n      &lt;version&gt;${eshadoop.version}&lt;\/version&gt;\r\n    &lt;\/dependency&gt;\r\n<\/code><\/pre>\n<p>\u4f60\u597d\uff0cElasticsearchSpark.java<\/p>\n<pre class=\"post-pre\"><code>package org.jtodo.demo;\r\n\r\nimport org.apache.hadoop.conf.Configuration;\r\nimport org.apache.spark.SparkConf;\r\nimport org.apache.spark.api.java.JavaSparkContext;\r\nimport org.apache.spark.api.java.JavaPairRDD;\r\nimport org.elasticsearch.hadoop.mr.EsInputFormat;\r\nimport org.apache.hadoop.io.Text;\r\nimport org.apache.hadoop.io.MapWritable;\r\n\r\npublic class HelloElasticsearchSpark {\r\n\r\n    public static void main(String[] args) {\r\n        Configuration conf = new Configuration(); \u2460\r\n        conf.set(\"es.nodes\", \"localhost:9200\");\r\n        conf.set(\"es.resource\", \"access_log-2014.12.20\/logs\");\r\n        conf.set(\"es.query\", \"{\\\"query\\\": {\\\"term\\\": {\\\"first_path\\\": \\\"action\\\"}}}\");\r\n\r\n        SparkConf sparkConf = new SparkConf().setAppName(\"HelloElasticsearchSpark\");\r\n        sparkConf.set(\"spark.serializer\", org.apache.spark.serializer.KryoSerializer.class.getName());\r\n\r\n        JavaSparkContext sc = new JavaSparkContext(sparkConf);\r\n        JavaPairRDD&lt;Text, MapWritable&gt; esRDD = \r\n            sc.newAPIHadoopRDD(conf, EsInputFormat.class, Text.class, MapWritable.class); \u2461\r\n        System.out.println(\"Count of records founds is \" + esRDD.count());\r\n    }\r\n}\r\n<\/code><\/pre>\n<h3>\u8981\u70b91\uff1a\u914d\u7f6e<\/h3>\n<p>es.nodes\uff08\u9ed8\u8ba4\u4e3alocalhost\uff09<br \/>\n\u6307\u5b9aES\u3002 \u4e0d\u662f\u5217\u4e3e\u96c6\u7fa4\u4e2d\u7684\u6240\u6709\u8282\u70b9\uff0c\u800c\u662f\u5728\u60f3\u8981\u5bf9\u591a\u4e2a\u96c6\u7fa4\u6267\u884c\u76f8\u540c\u67e5\u8be2\u65f6\u5217\u4e3e\u8282\u70b9\u3002<\/p>\n<p>\u5f53\u672a\u5728&#8221;nodes&#8221;\u6307\u5b9a\u65f6\uff0c\u5c06\u4f7f\u7528\u9ed8\u8ba4\u7aef\u53e3\u53f7es.port (\u9ed8\u8ba4\u4e3a9200)\u3002<\/p>\n<p>es.resource\u662fES _search API\u7684\u7ec8\u70b9\u3002\u53ef\u4ee5\u901a\u8fc7index\/type\u8fdb\u884c\u6307\u5b9a\uff0c\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\u3002<\/p>\n<p>es.query\u53ef\u4ee5\u901a\u8fc7URI\u3001Query dsl\u6216\u5916\u90e8\u6587\u4ef6\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n<p>URI\uff08\u6216\u53c2\u6570\uff09\u67e5\u8be2 http:\/\/www.elasticsearch.org\/guide\/en\/elasticsearch\/reference\/current\/search<\/p>\n<pre class=\"post-pre\"><code>uri-request.html\r\nes.query = ?q=costinl\r\n<\/code><\/pre>\n<p>\u67e5\u8be2dsl\u7684\u6587\u6863\u4f4d\u4e8ehttp:\/\/www.elasticsearch.org\/guide\/en\/elasticsearch\/reference\/current\/search-request-body.html<\/p>\n<pre class=\"post-pre\"><code>es.query = { \"query\" : { \"term\" : { \"user\" : \"costinl\" } } }\r\n<\/code><\/pre>\n<p>\u5916\u90e8\u8d44\u6e90<\/p>\n<pre class=\"post-pre\"><code>es.query = org\/mypackage\/myquery.json\r\n<\/code><\/pre>\n<p>\u7b49\u7b49\u3002http:\/\/www.elasticsearch.org\/guide\/en\/elasticsearch\/hadoop\/current\/configuration.html<\/p>\n<h3>\u7b2c\u4e8c\u70b9\uff0cEsInputFormat\u3002<\/h3>\n<p>\u53ea\u8981\u5728InputFormat\u7c7b\u4e2d\u4f7f\u7528elasticsearch-hadoop\u7684EsInputFormat\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u91cd\u7528\u73b0\u6709\u7684\u7528\u4e8eHDFS\u7684Spark\u9a71\u52a8\u7a0b\u5e8f\uff0c\u53ea\u8981\u8fd9\u90e8\u5206\u6ca1\u6709\u9519\u8bef\u3002<\/p>\n<h2>\u6267\u884c<\/h2>\n<pre class=\"post-pre\"><code>maven package\r\n\r\ncd ~\/es-advent-calendar\/spark-1.1.0\r\nbin\/spark-submit --class org.jtodo.demo.HelloElasticsearchSpark --master local[5] ~\/es-advent-calendar\/demo-elasticsearch-spark\/target\/demo-elasticsearch-spark-0.0.1-SNAPSHOT-jar-with-dependencies.jar\r\n<\/code><\/pre>\n<h2>\u7ed3\u679c<\/h2>\n<p>\u5982\u679c\u4e0d\u7ecf\u8fc7\u8003\u8651\uff0c\u53ea\u4f7f\u7528ES\uff0cnumber_of_shards\u5c06\u4fdd\u6301\u9ed8\u8ba4\u72b6\u6001\uff0c\u6bcf\u4e2a\u7d22\u5f15\u5c06\u751f\u62105\u4e2a\u5206\u7247\u3002<\/p>\n<pre class=\"post-pre\"><code>14\/12\/07 21:31:59 INFO TaskSetManager: Starting task 0.0 in stage 0.0 (TID 0, localhost, ANY, 9895 bytes)\r\n14\/12\/07 21:31:59 INFO TaskSetManager: Starting task 1.0 in stage 0.0 (TID 1, localhost, ANY, 9895 bytes)\r\n14\/12\/07 21:31:59 INFO TaskSetManager: Starting task 2.0 in stage 0.0 (TID 2, localhost, ANY, 9895 bytes)\r\n14\/12\/07 21:31:59 INFO TaskSetManager: Starting task 3.0 in stage 0.0 (TID 3, localhost, ANY, 9895 bytes)\r\n14\/12\/07 21:31:59 INFO TaskSetManager: Starting task 4.0 in stage 0.0 (TID 4, localhost, ANY, 9895 bytes)\r\n14\/12\/07 21:31:59 INFO Executor: Running task 1.0 in stage 0.0 (TID 1)\r\n14\/12\/07 21:31:59 INFO Executor: Running task 3.0 in stage 0.0 (TID 3)\r\n14\/12\/07 21:31:59 INFO Executor: Running task 4.0 in stage 0.0 (TID 4)\r\n14\/12\/07 21:31:59 INFO Executor: Running task 2.0 in stage 0.0 (TID 2)\r\n14\/12\/07 21:31:59 INFO Executor: Running task 0.0 in stage 0.0 (TID 0)\r\n14\/12\/07 21:31:59 INFO Executor: Fetching http:\/\/localhost:57392\/jars\/demo-elasticsearch-spark-0.0.1-SNAPSHOT-jar-with-dependencies.jar with timestamp 1417955518911\r\n14\/12\/07 21:31:59 INFO Utils: Fetching http:\/\/localhost:57392\/jars\/demo-elasticsearch-spark-0.0.1-SNAPSHOT-jar-with-dependencies.jar to \/tmp\/fetchFileTemp3143049760330881914.tmp\r\n14\/12\/07 21:31:59 INFO Executor: Adding file:\/tmp\/spark-f0cec1a7-6496-47a9-bc7b-5f7ad126a3b5\/demo-elasticsearch-spark-0.0.1-SNAPSHOT-jar-with-dependencies.jar to class loader\r\n14\/12\/07 21:31:59 INFO NewHadoopRDD: Input split: ShardInputSplit [node=[I9ed1kejTR6aLUTuS55YKw\/Jerome Beechman|127.0.0.1:9200],shard=1]\r\n14\/12\/07 21:31:59 INFO NewHadoopRDD: Input split: ShardInputSplit [node=[I9ed1kejTR6aLUTuS55YKw\/Jerome Beechman|127.0.0.1:9200],shard=2]\r\n14\/12\/07 21:31:59 INFO NewHadoopRDD: Input split: ShardInputSplit [node=[I9ed1kejTR6aLUTuS55YKw\/Jerome Beechman|127.0.0.1:9200],shard=3]\r\n14\/12\/07 21:31:59 INFO NewHadoopRDD: Input split: ShardInputSplit [node=[I9ed1kejTR6aLUTuS55YKw\/Jerome Beechman|127.0.0.1:9200],shard=0]\r\n14\/12\/07 21:31:59 INFO NewHadoopRDD: Input split: ShardInputSplit [node=[I9ed1kejTR6aLUTuS55YKw\/Jerome Beechman|127.0.0.1:9200],shard=4]\r\n14\/12\/07 21:31:59 WARN EsInputFormat: Cannot determine task id...\r\n14\/12\/07 21:31:59 WARN EsInputFormat: Cannot determine task id...\r\n14\/12\/07 21:31:59 WARN EsInputFormat: Cannot determine task id...\r\n14\/12\/07 21:31:59 WARN EsInputFormat: Cannot determine task id...\r\n14\/12\/07 21:32:00 WARN EsInputFormat: Cannot determine task id...\r\n14\/12\/07 21:32:00 INFO Executor: Finished task 1.0 in stage 0.0 (TID 1). 1651 bytes result sent to driver\r\n14\/12\/07 21:32:00 INFO Executor: Finished task 3.0 in stage 0.0 (TID 3). 1651 bytes result sent to driver\r\n14\/12\/07 21:32:00 INFO Executor: Finished task 4.0 in stage 0.0 (TID 4). 1651 bytes result sent to driver\r\n14\/12\/07 21:32:00 INFO Executor: Finished task 2.0 in stage 0.0 (TID 2). 1651 bytes result sent to driver\r\n14\/12\/07 21:32:00 INFO Executor: Finished task 0.0 in stage 0.0 (TID 0). 1651 bytes result sent to driver\r\n14\/12\/07 21:32:00 INFO TaskSetManager: Finished task 4.0 in stage 0.0 (TID 4) in 919 ms on localhost (1\/5)\r\n14\/12\/07 21:32:00 INFO TaskSetManager: Finished task 0.0 in stage 0.0 (TID 0) in 939 ms on localhost (2\/5)\r\n14\/12\/07 21:32:00 INFO TaskSetManager: Finished task 1.0 in stage 0.0 (TID 1) in 939 ms on localhost (3\/5)\r\n14\/12\/07 21:32:00 INFO TaskSetManager: Finished task 2.0 in stage 0.0 (TID 2) in 944 ms on localhost (4\/5)\r\n14\/12\/07 21:32:00 INFO TaskSetManager: Finished task 3.0 in stage 0.0 (TID 3) in 950 ms on localhost (5\/5)\r\n14\/12\/07 21:32:00 INFO TaskSchedulerImpl: Removed TaskSet 0.0, whose tasks have all completed, from pool \r\n14\/12\/07 21:32:00 INFO DAGScheduler: Stage 0 (count at HelloElasticsearchSpark.java:25) finished in 0.977 s\r\n14\/12\/07 21:32:00 INFO SparkContext: Job finished: count at HelloElasticsearchSpark.java:25, took 1.08602996 s\r\nCount of records founds is 147\r\n<\/code><\/pre>\n<p>\u4e94\u4e2a\u4efb\u52a1\u5206\u522b\u9488\u5bf9\u6bcf\u4e2a\u5206\u7247\u6267\u884c\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u53ea\u9700\u5728Spark\u7684\u9a71\u52a8\u7a0b\u5e8f\u4e2d\u6307\u5b9aEsInputFormat\uff0c\u5c31\u53ef\u4ee5\u521b\u5efa\u6765\u81eaelasticsearch\u7684RDD\uff0c\u5e76\u4e14\u8fd8\u914d\u5907\u4e86\u5148\u8fdb\u7684\u641c\u7d22\u529f\u80fd\u3002\u5f53\u65e5\u5fd7\u589e\u52a0\u65f6\uff0c\u53ef\u4ee5\u589e\u52a0number_of_shards\u8fdb\u884c\u6269\u5bb9\uff0c\u8fd8\u53ef\u4ee5\u5b8c\u5168\u5229\u7528elasticsearch\u7684\u4e13\u4e1a\u77e5\u8bc6\uff0c\u975e\u5e38\u597d\u554a\u3002<\/p>\n<p>\u591a\u4e8f\u4e86elasticsearch-hadoop\uff0c\u5e74\u5e95\u65f6\u53ef\u4ee5\u7528Spark\u6765\u73a9\u800d\u3002<\/p>\n<p>\u975e\u5e38\u611f\u8c22\u60a8\u9605\u8bfb\u5230\u8fd9\u91cc\u3002<br 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