{"id":240,"date":"2017-02-18T02:11:26","date_gmt":"2017-02-18T02:11:26","guid":{"rendered":""},"modified":"2017-02-18T02:11:26","modified_gmt":"2017-02-18T02:11:26","slug":"","status":"publish","type":"post","link":"http:\/\/weizn.net\/?p=240","title":{"rendered":"[\u8f6c] Hive On Tez\uff0cTez \u548c MapReduce engine \u6027\u80fd\u5bf9\u6bd4"},"content":{"rendered":"

\n\tSource: <\/span>https:\/\/my.oschina.net\/zhzhenqin\/blog\/781793<\/span><\/a>\n<\/p>\n

\n\tTez On Yarn \u5b89\u88c5\u6210\u529f\u540e\uff0c\u662f\u4e3a\u4e86\u7ed9 Hive \u6216\u8005 Pig \u63d0\u4f9b\u6267\u884c\u5f15\u64ce\u3002<\/span><\/p>\n

Hive \u9ed8\u8ba4\u652f\u6301 MapReduce\uff0cTez\uff0cSpark\uff08\u5728 SparkSQL \u4e2d\u652f\u6301\uff09 \u7b49\u6267\u884c\u5f15\u64ce\u3002\u56e0\u6b64\u7ed9 Hive \u6362\u4e0a Tez \u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u7ed9 hive-site.xml \u4e2d\u8bbe\u7f6e\uff1a<\/span>
\n<property><\/span>
\n    <name>hive.execution.engine<\/name><\/span>
\n    <value>tez<\/value><\/span>
\n<\/property><\/span>
\n\u8bbe\u7f6ehive.execution.engine\u4e3a tez \u540e\u8fdb\u5165\u5230 Hive \u6267\u884c SQL\uff1a<\/span>\n<\/p>\n

\n\thive> select count(*) as c from userinfo;<\/span>
\nQuery ID = zhenqin_20161104150743_4155afab-4bfa-4e8a-acb0-90c8c50ecfb5<\/span>
\nTotal jobs = 1<\/span>
\nLaunching Job 1 out of 1<\/span>\n<\/p>\n

\n\tStatus: Running (Executing on YARN cluster with App id application_1478229439699_0007)<\/span><\/p>\n

——————————————————————————–<\/span>
\n        VERTICES      STATUS  TOTAL  COMPLETED  RUNNING  PENDING  FAILED  KILLED<\/span>
\n——————————————————————————–<\/span>
\nMap 1 ……….   SUCCEEDED      2          2        0        0       0       0<\/span>
\nReducer 2 ……   SUCCEEDED      1          1        0        0       0       0<\/span>
\n——————————————————————————–<\/span>
\nVERTICES: 02\/02  [==========================>>] 100%  ELAPSED TIME: 6.19 s     <\/span>
\n——————————————————————————–<\/span>
\nOK<\/span>
\n1000000<\/span>
\nTime taken: 6.611 seconds, Fetched: 1 row(s)<\/span>
\n\u53ef\u4ee5\u770b\u5230\uff0c\u6211\u7684 userinfo \u4e2d\u6709 100W \u6761\u8bb0\u5f55\uff0c\u6267\u884c\u4e00\u904d count \u9700\u8981 6.19s\u3002 \u73b0\u5728\u628a engine \u6362\u4e3a mr<\/span>\n<\/p>\n

\n\t
\n<\/span>set hive.execution.engine=mr;<\/span>
\n\u518d\u6b21\u6267\u884c count userinfo:<\/span>\n<\/p>\n

\n\thive> select count(*) as c from userinfo;<\/span>
\nQuery ID = zhenqin_20161104152022_c7e6c5bd-d456-4ec7-b895-c81a369aab27<\/span>
\nTotal jobs = 1<\/span>
\nLaunching Job 1 out of 1<\/span>
\nStarting Job = job_1478229439699_0010, Tracking URL = http:\/\/localhost:8088\/proxy\/application_1478229439699_0010\/<\/span>
\nKill Command = \/Users\/zhenqin\/software\/hadoop\/bin\/hadoop job  -kill job_1478229439699_0010<\/span>
\nHadoop job information for Stage-1: number of mappers: 1; number of reducers: 1<\/span>
\n2016-11-04 15:20:28,323 Stage-1 map = 0%,  reduce = 0%<\/span>
\n2016-11-04 15:20:34,587 Stage-1 map = 100%,  reduce = 0%<\/span>
\n2016-11-04 15:20:40,796 Stage-1 map = 100%,  reduce = 100%<\/span>
\nEnded Job = job_1478229439699_0010<\/span>
\nMapReduce Jobs Launched: <\/span>
\nStage-Stage-1: Map: 1  Reduce: 1   HDFS Read: 215 HDFS Write: 0 SUCCESS<\/span>
\nTotal MapReduce CPU Time Spent: 0 msec<\/span>
\nOK<\/span>
\n1000000<\/span>
\nTime taken: 19.46 seconds, Fetched: 1 row(s)<\/span>
\nhive> <\/span>
\n\u53ef\u4ee5\u770b\u5230\uff0c\u4f7f\u7528 Tez \u6548\u7387\u6bd4 MapReduce \u6709\u8fd13\u500d\u7684\u63d0\u5347\u3002\u800c\u4e14\uff0cHive \u5728\u4f7f\u7528 Tez \u5f15\u64ce\u6267\u884c\u65f6\uff0c\u6709 ==>> \u52a8\u6001\u7684\u8fdb\u5ea6\u6307\u793a\u3002\u800c\u5728\u4f7f\u7528 mr \u65f6\uff0c\u53ea\u6709\u65e5\u5fd7\u8f93\u51fa map and reduce \u7684\u8fdb\u5ea6\u767e\u5206\u6bd4\u3002\u4f7f\u7528 tez\uff0c\u8f93\u51fa\u7684\u65e5\u5fd7\u4e5f\u6e05\u723d\u5f88\u591a\u3002<\/span>\n<\/p>\n

\n\t
\n<\/span>\u5728\u6211\u6d4b\u8bd5\u7684\u5f88\u591a\u590d\u6742\u7684 SQL\uff0cTez \u7684\u90fd\u6bd4 MapReduce \u5feb\u5f88\u591a\uff0c\u5feb\u6162\u53d6\u51b3\u4e8e SQL \u7684\u590d\u6742\u5ea6\u3002\u6267\u884c\u7b80\u5355\u7684 select \u7b49\u5e76\u4e0d\u80fd\u4f53\u73b0 tez \u7684\u4f18\u52bf\u3002Tez \u5185\u90e8\u7ffb\u8bd1 SQL \u80fd\u4efb\u610f\u7684 Map\uff0cReduce\uff0cReduce \u7ec4\u5408\uff0c\u800c MR \u53ea\u80fd Map->Reduce->Map->Reduce\uff0c\u56e0\u6b64\u5728\u6267\u884c\u590d\u6742 SQL \u65f6\uff0c Tez \u7684\u4f18\u52bf\u660e\u663e\u3002<\/span>\n<\/p>\n

\n\t\n<\/p>\n

\n\t<\/p>\n","protected":false},"excerpt":{"rendered":"

\n\t\n<\/p>\n

\n\t\n<\/p>\n

\n\tSource: <\/span>https:\/\/my.oschina.net\/zhzhenqin\/blog\/781793<\/span><\/a>\n<\/p>\n

\n\tTez On Yarn \u5b89\u88c5\u6210\u529f\u540e\uff0c\u662f\u4e3a\u4e86\u7ed9 Hive \u6216\u8005 Pig \u63d0\u4f9b\u6267\u884c\u5f15\u64ce\u3002<\/span><\/p>\n

Hive \u9ed8\u8ba4\u652f\u6301 MapReduce\uff0cTez\uff0cSpark\uff08\u5728 SparkSQL \u4e2d\u652f\u6301\uff09 \u7b49\u6267\u884c\u5f15\u64ce\u3002\u56e0\u6b64\u7ed9 Hive \u6362\u4e0a Tez \u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u7ed9 hive-site.xml \u4e2d\u8bbe\u7f6e\uff1a<\/span>
\n<pr…<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[337],"tags":[],"class_list":["post-240","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"\n[\u8f6c] Hive On Tez\uff0cTez \u548c MapReduce engine \u6027\u80fd\u5bf9\u6bd4 - Wayne's Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/weizn.net\/?p=240\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[\u8f6c] Hive On Tez\uff0cTez \u548c MapReduce engine \u6027\u80fd\u5bf9\u6bd4 - Wayne's Blog\" \/>\n<meta property=\"og:description\" content=\"Source: https:\/\/my.oschina.net\/zhzhenqin\/blog\/781793 Tez On Yarn \u5b89\u88c5\u6210\u529f\u540e\uff0c\u662f\u4e3a\u4e86\u7ed9 Hive \u6216\u8005 Pig \u63d0\u4f9b\u6267\u884c\u5f15\u64ce\u3002 Hive \u9ed8\u8ba4\u652f\u6301 MapReduce\uff0cTez\uff0cSpark\uff08\u5728 SparkSQL \u4e2d\u652f\u6301\uff09 \u7b49\u6267\u884c\u5f15\u64ce\u3002\u56e0\u6b64\u7ed9 Hive \u6362\u4e0a Tez \u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u7ed9 hive-site.xml \u4e2d\u8bbe\u7f6e\uff1a <pr...\" \/>\n<meta property=\"og:url\" content=\"http:\/\/weizn.net\/?p=240\" \/>\n<meta property=\"og:site_name\" content=\"Wayne's Blog\" \/>\n<meta property=\"article:published_time\" content=\"2017-02-18T02:11:26+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"zinan\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"http:\/\/weizn.net\/#website\",\"url\":\"http:\/\/weizn.net\/\",\"name\":\"Wayne's Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/weizn.net\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/weizn.net\/?p=240#webpage\",\"url\":\"http:\/\/weizn.net\/?p=240\",\"name\":\"[\\u8f6c] Hive On Tez\\uff0cTez \\u548c MapReduce engine \\u6027\\u80fd\\u5bf9\\u6bd4 - 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