{"id":181,"date":"2020-06-09T15:48:08","date_gmt":"2020-06-09T07:48:08","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=181"},"modified":"2020-11-06T18:00:32","modified_gmt":"2020-11-06T10:00:32","slug":"gbase-8a%e9%9b%86%e7%be%a4%e5%bc%80%e5%90%af%e9%9b%86%e7%be%a4%e5%b1%82%e6%97%a5%e5%bf%97%e6%9f%a5%e7%9c%8b%e6%af%8f%e4%b8%aa%e9%98%b6%e6%ae%b5%e7%9a%84%e8%80%97%e6%97%b6","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/181","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u96c6\u7fa4\u5f00\u542f\u96c6\u7fa4\u5c42\u65e5\u5fd7\u67e5\u770b\u6bcf\u4e2a\u9636\u6bb5\u7684\u8017\u65f6"},"content":{"rendered":"\n<p>GBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\uff0c\u53ef\u4ee5\u901a\u8fc7\u5f00\u542f\u8be6\u7ec6\u65e5\u5fd7\u7ea7\u522b\uff0c\u67e5\u770b\u5728SQL\u6574\u4e2a\u8fc7\u7a0b\u7684\u8017\u65f6\u60c5\u51b5\uff0c\u5305\u62ec\u6267\u884c\u8ba1\u5212\uff0c\u4e0b\u53d1\uff0c\u8fd4\u56de\u7ed3\u679c\u7ed9\u5ba2\u6237\u7aef\u7b49\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55\u5bfc\u822a<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2adbf420c4d\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2adbf420c4d\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/181\/#111_%E4%BD%9C%E7%94%A8\" >1.1.1.&nbsp;&nbsp;&nbsp; \u4f5c\u7528<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/181\/#112_%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95\" >1.1.2.&nbsp;&nbsp;&nbsp; \u4f7f\u7528\u65b9\u6cd5<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"111_%E4%BD%9C%E7%94%A8\"><\/span>1.1.1.&nbsp;&nbsp;&nbsp; \u4f5c\u7528<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u8bb0\u5f55\u96c6\u7fa4\u5c42SQL\u7684\u5b8c\u6574\u6267\u884c\u8fc7\u7a0b\uff0c\u5305\u62ec\u9501\uff0c\u5bf9\u5916\u4ea4\u4e92(\u6bd4\u5982ftp\u52a0\u8f7d)\uff0c\u6267\u884c\u8ba1\u5212\u7b49\uff0c\u91cd\u70b9\u8fc7\u7a0b\u4e0a\u3002\u5177\u4f53\u7684SQL\u6267\u884c\uff0c\u5185\u90e8\u8d44\u6e90\u6d88\u8017\uff0c\u8fd8\u5f97\u770btrc\u65e5\u5fd7\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"112_%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95\"><\/span>1.1.2.&nbsp;&nbsp;&nbsp; \u4f7f\u7528\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4f7f\u7528\u96c6\u7fa4\u5ba2\u6237\u7aef gccli<\/p>\n\n\n\n<p>\/\/ \u9ed8\u8ba4\u503c\u662f3\uff0c\u8fd9\u4e2a\u662fsession\u7ea7\u522b\u7684\uff0c\u65e0\u9700\u6062\u590d<\/p>\n\n\n\n<p>gbase&gt; set gcluster_log_level=7;<\/p>\n\n\n\n<p>\/\/ \u65e5\u5fd7\u7ea7\u522b\u66f4\u7ec6<\/p>\n\n\n\n<p>gbase&gt; set global gbase_sql_trace_level=15;<\/p>\n\n\n\n<p>\/\/ \u6253\u5f00\u65e5\u5fd7<\/p>\n\n\n\n<p>gbase&gt; set gbase_sql_trace=1;<\/p>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u8bbe\u7f6e\u96c6\u7fa4\u5c42\u65e5\u5fd7\u7684\u7b49\u7ea7\uff0c\u5305\u62ec\u9501\uff0c\u5bf9\u5916\u4ea4\u4e92\u7b49\u3002\u8bb0\u5f55\u5728express.log\u91cc\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662fSQL\u6267\u884c\u65e5\u5fd7\uff0c\u8bb0\u5f55\u5728trc\u65e5\u5fd7\u91cc\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u8bbe\u7f6e\u6253\u5f00\u548c\u5173\u95ed\u8ddf\u8e2a\u65e5\u5fd7\uff0c\u53ef\u4ee5\u662fsession\u7ea7\u7684\u3002 \u6267\u884cSQL\u8bed\u53e5\u540e\uff0c\u5728gcluster\u7684log\u76ee\u5f55\u4e0b\u7684express.log\u91cc\u6709\u8be6\u7ec6\u7684\u96c6\u7fa4\u5c42\u8c03\u5ea6\u65e5\u5fd7\u3002\u5728gnode\u7684log\u76ee\u5f55\u4e0b\u751f\u6210\u6267\u884c\u8ba1\u5212\u6bcf\u4e00\u6b65\u7684\u5177\u4f53SQL\u7684trc\u7ed3\u5c3e\u7684\u65e5\u5fd7\u3002<\/p>\n\n\n\n<p>express.log\u7684\u6837\u4f8b\u3002 \u91cc\u9762\u53ef\u4ee5\u6839\u636e[S:65][Q:274] \u8fdb\u884c\u8fc7\u6ee4\u3002S\u4ee3\u8868sessionID, \u800cQ\u662fqueryid\u4e5f\u5c31\u662f\u6bcf\u4e2a\u67e5\u8be2\u6709\u4e0d\u540c\u7684\u7f16\u53f7(taskid)\u3002<\/p>\n\n\n\n<p>\u4e00\u4e2asession\u53ef\u4ee5\u6267\u884c\u591a\u4e2a\u4efb\u52a1,\u5176SessionID\u76f8\u540c\uff0c\u4f46QueryId\u4e0d\u540c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> set gcluster_log_level=7;\nQuery OK, 0 rows affected (Elapsed: 00:00:00.00)\n\ngbase> select id,count(*) from testdb.t1 group by id;\n+--------+----------+\n| id     | count(*) |\n+--------+----------+\n| 111111 |        1 |\n+--------+----------+\n1 row in set (Elapsed: 00:00:00.05)\n\n\n2020-11-06 17:49:39.972 &#91;EXEC_P]&#91;INFO ]&#91;S:65]&#91;Q:274]:Original SQL:\n2020-11-06 17:49:39.972 &#91;EXEC_P]&#91;INFO ]&#91;S:65]&#91;Q:274]:##############################\n2020-11-06 17:49:39.972 &#91;EXEC_P]&#91;INFO ]&#91;S:65]&#91;Q:274]:#### Main Query Begin ####\n2020-11-06 17:49:39.972 &#91;EXEC_P]&#91;INFO ]&#91;S:65]&#91;Q:274]:##############################\n2020-11-06 17:49:39.972 &#91;EXEC_P]&#91;INFO ]&#91;S:65]&#91;Q:274]:---Top plan is &#91;0x512e2e0]---\n2020-11-06 17:49:39.972 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Involved in 1 distribuitons\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Selected a random coordinator node: 10.0.2.102\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Coordinator node is 10.0.2.102\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:--#--Begin a async API mode--#--\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:A plan Begin ...\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Current plan &#91;0x512e2e0] has 0 scalar subquery.\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Current plan &#91;0x512e2e0] has 0 from subquery.\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Current plan &#91;0x512e2e0] has 0 union subquery.\n2020-11-06 17:49:39.973 &#91;EXEC_P]&#91;INFO ]&#91;S:65]&#91;Q:274]:Current plan &#91;0x512e2e0] has 2 steps.\n2020-11-06 17:49:39.973 &#91;EXEC_P]&#91;INFO ]&#91;S:65]&#91;Q:274]:## STEP: 0 ...\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Current plan &#91;0x512e2e0] has 0 uncorrelated subquery.\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Distribution Info, \/&#91;8a:P1C1]\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:---Step detail: hash redistribute the table in gbase.\n2020-11-06 17:49:39.973 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Passed tasks to async API, good luck!\n2020-11-06 17:49:39.974 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:AsyncAPI connect success!\n2020-11-06 17:49:39.974 &#91;SQLDISP]&#91;INFO ]&#91;S:65]&#91;Q:274]:Target:10.0.2.102, SQL:CREATE TABLE `gctmpdb`._tmp_rht_1711407114_65_t30_1_1604624808_s_n1 AS SELECT \/*10.0.2.102_65_87_2020-11-06_17:49:39*\/ \/*+ TID('1048772') *\/ `testdb.t1`.`id` AS `c1`, COUNT(0) AS `c2` FROM `testdb`.`t1_n1` `testdb.t1` GROUP BY `testdb.t1`.`id` LIMIT 0 ; commit.\n2020-11-06 17:49:39.980 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:\n2020-11-06 17:49:39.980 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Passed tasks to async API, good luck!\n2020-11-06 17:49:39.981 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:AsyncAPI connect success!\n2020-11-06 17:49:39.984 &#91;SQLDISP]&#91;INFO ]&#91;S:65]&#91;Q:274]:Target:10.0.2.102, SQL:SELECT \/*10.0.2.102_65_87_2020-11-06_17:49:39*\/ \/*+ TID('1048772') *\/ `testdb.t1`.`id` AS `c1`, COUNT(0) AS `c2` FROM `testdb`.`t1_n1` `testdb.t1` GROUP BY `testdb.t1`.`id` target into server (HOST '10.0.2.102', PORT 5050, USER 'root', PASSWORD '', DATABASE 'gctmpdb', TABLE '_tmp_rht_1711407114_65_t30_1_1604624808_s_n1', COMMENT 'group 0, distribution 1, hash_map 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n2020-11-06 17:49:40.014 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:\n2020-11-06 17:49:40.014 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Passed tasks to async API, good luck!\n2020-11-06 17:49:40.015 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:AsyncAPI connect success!\n2020-11-06 17:49:40.015 &#91;SQLDISP]&#91;INFO ]&#91;S:65]&#91;Q:274]:Target:10.0.2.102, SQL:flush temporary commit `gctmpdb`._tmp_rht_1711407114_65_t30_1_1604624808_s_n1.\n2020-11-06 17:49:40.017 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:\n2020-11-06 17:49:40.018 &#91;EXEC_P]&#91;INFO ]&#91;S:65]&#91;Q:274]:## STEP: 1 ...\n2020-11-06 17:49:40.018 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Current plan &#91;0x512e2e0] has 0 uncorrelated subquery.\n2020-11-06 17:49:40.018 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Distribution Info, \/&#91;8a:P1]\n2020-11-06 17:49:40.018 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:---Step detail: 8a to client, query to all gnode\n2020-11-06 17:49:40.018 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Passed tasks to async API, good luck!\n2020-11-06 17:49:40.018 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:AsyncAPI connect success!\n2020-11-06 17:49:40.018 &#91;SQLDISP]&#91;INFO ]&#91;S:65]&#91;Q:274]:Target:10.0.2.102, SQL:SELECT \/*10.0.2.102_65_87_2020-11-06_17:49:39*\/ \/*+ TID('1048772') *\/ `_tmp_rht_1711407114_65_t30_1_1604624808_s_n1`.`c1` AS `id`, cast(SUM_2ND(`_tmp_rht_1711407114_65_t30_1_1604624808_s_n1`.`c2`) as signed) AS `count(*)` FROM `gctmpdb`._tmp_rht_1711407114_65_t30_1_1604624808_s_n1 GROUP BY `_tmp_rht_1711407114_65_t30_1_1604624808_s_n1`.`c1`.\n2020-11-06 17:49:40.020 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Sent Rows: 1\n2020-11-06 17:49:40.020 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:\n2020-11-06 17:49:40.020 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Finish all steps of plan &#91;0x512e2e0].\n2020-11-06 17:49:40.020 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:Passed tasks to async API, good luck!\n2020-11-06 17:49:40.020 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:AsyncAPI connect success!\n2020-11-06 17:49:40.020 &#91;SQLDISP]&#91;INFO ]&#91;S:65]&#91;Q:274]:Target:10.0.2.102, SQL:DROP TABLE IF EXISTS `gctmpdb`._tmp_rht_1711407114_65_t30_1_1604624808_s_n1.\n2020-11-06 17:49:40.021 &#91;EXECTR]&#91;INFO ]&#91;S:65]&#91;Q:274]:\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\uff0c\u53ef\u4ee5\u901a\u8fc7\u5f00\u542f\u8be6\u7ec6\u65e5\u5fd7\u7ea7\u522b\uff0c\u67e5\u770b\u5728SQL\u6574\u4e2a\u8fc7\u7a0b\u7684\u8017\u65f6\u60c5\u51b5\uff0c\u5305\u62ec\u6267\u884c\u8ba1\u5212\uff0c\u4e0b\u53d1\uff0c\u8fd4\u56de\u7ed3\u679c\u7ed9\u5ba2\u6237\u7aef\u7b49\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"footnotes":""},"categories":[4],"tags":[48,13],"class_list":["post-181","post","type-post","status-publish","format-aside","hentry","category-gbase8a","tag-48","tag-13","post_format-post-format-aside"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=181"}],"version-history":[{"count":5,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/181\/revisions"}],"predecessor-version":[{"id":1932,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/181\/revisions\/1932"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}