{"id":1953,"date":"2020-11-10T11:05:40","date_gmt":"2020-11-10T03:05:40","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=1953"},"modified":"2021-09-30T16:30:08","modified_gmt":"2021-09-30T08:30:08","slug":"gbase-8a%e9%80%9a%e8%bf%87%e9%9b%86%e7%be%a4%e6%97%a5%e5%bf%97%e6%9f%a5%e7%9c%8b%e6%89%a7%e8%a1%8c%e8%ae%a1%e5%88%92%e5%92%8c%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\/1953","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u901a\u8fc7\u96c6\u7fa4\u65e5\u5fd7\u67e5\u770b\u6267\u884c\u8ba1\u5212\u548c\u6bcf\u4e2a\u9636\u6bb5\u7684\u6574\u4f53\u8017\u65f6\u548c\u5404\u4e2a\u8282\u70b9\u7684\u8017\u65f6\u505a\u6027\u80fd\u6392\u67e5"},"content":{"rendered":"\n<p>GBase 8a\u63d0\u4f9b\u4e86\u6267\u884c\u8ba1\u5212\uff0c\u4ee5\u53ca\u4e0d\u540c\u7684\u65e5\u5fd7\u7ea7\u522b\uff0c\u73b0\u5b9e\u6574\u4f53\u5404\u4e2a\u8282\u70b9\u8017\u65f6\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8282\u70b9\u7684\u8017\u65f6\uff0c\u6765\u65b9\u4fbf\u7528\u6237\u8fdb\u884c\u6027\u80fd\u6392\u67e5\uff0c\u672c\u6587\u4ecb\u7ecd\u8be6\u7ec6\u7684\u5206\u6790\u65b9\u6cd5\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-6a2acbff5dde5\" 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-6a2acbff5dde5\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/1953\/#%E5%8F%82%E8%80%83\" >\u53c2\u8003<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/1953\/#%E7%8E%AF%E5%A2%83\" >\u73af\u5883<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/1953\/#%E6%89%93%E5%BC%80%E5%8F%82%E6%95%B0\" >\u6253\u5f00\u53c2\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/1953\/#%E6%89%A7%E8%A1%8C%E8%AE%A1%E5%88%92\" >\u6267\u884c\u8ba1\u5212<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/1953\/#%E6%89%A7%E8%A1%8CSQL\" >\u6267\u884cSQL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbase8.cn\/en\/1953\/#%E6%9F%A5%E7%9C%8B%E6%97%A5%E5%BF%97\" >\u67e5\u770b\u65e5\u5fd7<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83\"><\/span>\u53c2\u8003<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.gbase8.cn\/3600\">GBase 8a \u6267\u884c\u8ba1\u5212Explain\u4ecb\u7ecd<\/a><br><a href=\"https:\/\/www.gbase8.cn\/178\">GBase 8a\u96c6\u7fa4\u5f00\u542f\u6267\u884c\u65e5\u5fd7\u5206\u6790\u6027\u80fd<\/a><br><a href=\"https:\/\/www.gbase8.cn\/261\">GBase 8a\u96c6\u7fa4\u6027\u80fd\u76d1\u63a7SQL\u5728\u6bcf\u4e2a\u8282\u70b9\u6267\u884c\u65f6\u95f4<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%8E%AF%E5%A2%83\"><\/span>\u73af\u5883<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>2\u8282\u70b9\u865a\u62df\u673a\u96c6\u7fa4<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;gbase@rh6-1 ~]$ gcadmin\nCLUSTER STATE:  ACTIVE\nCLUSTER MODE:   NORMAL\n\n=================================================================\n|             GBASE COORDINATOR CLUSTER INFORMATION             |\n=================================================================\n|   NodeName   |     IpAddress     |gcware |gcluster |DataState |\n-----------------------------------------------------------------\n| coordinator1 |    10.0.2.201     | OPEN  |  OPEN   |    0     |\n-----------------------------------------------------------------\n=============================================================\n|              GBASE DATA CLUSTER INFORMATION               |\n=============================================================\n|NodeName |     IpAddress     |gnode |syncserver |DataState |\n-------------------------------------------------------------\n|  node1  |    10.0.2.201     | OPEN |   OPEN    |    0     |\n-------------------------------------------------------------\n|  node2  |    10.0.2.202     | OPEN |   OPEN    |    0     |\n-------------------------------------------------------------\n<\/code><\/pre>\n\n\n\n<p>\u7b80\u5355\u7684\u5355\u5217\u8868\uff0c50\u4e07\u884c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; show create table t1;\n+-------+-------------------------------------------------------------------------------------------------------------------+\n| Table | Create Table                                                                                                      |\n+-------+-------------------------------------------------------------------------------------------------------------------+\n| t1    | CREATE TABLE \"t1\" (\n  \"id\" int(11) DEFAULT NULL\n) ENGINE=EXPRESS DEFAULT CHARSET=utf8 TABLESPACE='sys_tablespace' |\n+-------+-------------------------------------------------------------------------------------------------------------------+\n1 row in set (Elapsed: 00:00:00.00)\n\ngbase&gt; select count(*) from t1;\n+----------+\n| count(*) |\n+----------+\n|   500000 |\n+----------+\n1 row in set (Elapsed: 00:00:00.06)\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%89%93%E5%BC%80%E5%8F%82%E6%95%B0\"><\/span>\u6253\u5f00\u53c2\u6570<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5176\u4e2dprofiling\u53c2\u6570\u662f\u53ef\u4ee5\u76f4\u89c2\u7684\u67e5\u770b\u6267\u884c\u8fc7\u7a0b\u6bcf\u4e2a\u9636\u6bb5\u7684\u6574\u4f53\u8017\u65f6\u3002\u91cd\u70b9\u5173\u6ce8\u5176\u4e2d\u7684Sending task to gnodes\u90e8\u5206\u8017\u65f6\u3002<\/p>\n\n\n\n<p>gcluster_log_level\u53c2\u65707\u662f\u53ef\u4ee5\u67e5\u770b\u5230\u6bcf\u4e2a\u8282\u70b9\u7684\u5177\u4f53SQL\u4ee5\u53ca\u6bcf\u4e2a\u8282\u70b9\u7684\u8017\u65f6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; set profiling=1;\nQuery OK, 0 rows affected (Elapsed: 00:00:00.01)\n\ngbase&gt; set gcluster_log_level=7;\nQuery OK, 0 rows affected (Elapsed: 00:00:00.01)<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%89%A7%E8%A1%8C%E8%AE%A1%E5%88%92\"><\/span>\u6267\u884c\u8ba1\u5212<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u5206\u6210\u4e863\u5927\u90e8\u5206\u3002\u7b2c0\u90e8\u5206REDIST(id)\u662f\u6839\u636eid\u5217\u505a\u91cd\u5206\u5e03\u3002\u7b2c1\u90e8\u5206[GATHER]\u662f\u5c06\u5404\u4e2a\u8282\u70b9\u7684\u6570\u636e\u6c47\u603b\uff0c\u7b2c2\u90e8\u5206[RESULT]\u662f\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; explain select id,count(*) from t1 group by id order by count(*) desc limit 10;\n+----+--------------+-----------+---------+-------------------------------------------------+-----------------+\n| ID | MOTION       | OPERATION | TABLE   | CONDITION                                       | NO STAT Tab\/Col |\n+----+--------------+-----------+---------+-------------------------------------------------+-----------------+\n| 02 | &#91;RESULT]     |  Step     | &lt;01&gt;    |                                                 |                 |\n|    |              |  ORDER    |         | ORDER BY cast(SUM_2ND(COUNT(0)) as signed) DESC |                 |\n|    |              |  LIMIT    |         | LIMIT 10                                        |                 |\n| 01 | &#91;GATHER]     |  Step     | &lt;00&gt;    |                                                 |                 |\n|    |              |  GROUP    |         | GROUP BY id                                     |                 |\n|    |              |  ORDER    |         | ORDER BY .. DESC                                |                 |\n|    |              |  LIMIT    |         | LIMIT 10                                        |                 |\n| 00 | &#91;REDIST(id)] |  Table    | t1&#91;DIS] |                                                 | t1              |\n|    |              |  GROUP    |         | GROUP BY id                                     |                 |\n+----+--------------+-----------+---------+-------------------------------------------------+-----------------+\n9 rows in set (Elapsed: 00:00:00.00)<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%89%A7%E8%A1%8CSQL\"><\/span>\u6267\u884cSQL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5305\u62ecprofile\u7684\u8f93\u51fa\u4ee5\u53ca\u6267\u884c\u8ba1\u5212explain\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select id,count(*) from t1 group by id order by count(*) desc limit 10;\n+-------+----------+\n| id    | count(*) |\n+-------+----------+\n| 27347 |       34 |\n| 14427 |       32 |\n| 27569 |       32 |\n|  6983 |       32 |\n| 32549 |       32 |\n| 10186 |       32 |\n| 25857 |       31 |\n|  2197 |       31 |\n| 23008 |       31 |\n|  6582 |       31 |\n+-------+----------+\n10 rows in set (Elapsed: 00:00:00.77)\n\ngbase&gt; show profile;\n+------------------------+----------+\n| Status                 | Duration |\n+------------------------+----------+\n| parse                  | 0.000284 |\n| init                   | 0.001421 |\n| Preparing metadata     | 0.000495 |\n| Executing by step      | 0.000550 |\n| Creating tmp tables    | 0.000082 |\n| Sending task to gnodes | 0.006993 |\n| Sending task to gnodes | 0.666324 |\n| Sending task to gnodes | 0.003851 |\n| Creating tmp tables    | 0.000141 |\n| Sending task to gnodes | 0.004463 |\n| Sending task to gnodes | 0.068458 |\n| Sending task to gnodes | 0.002863 |\n| Sending task to gnodes | 0.011147 |\n| Clearing tmp tables    | 0.000021 |\n| Sending task to gnodes | 0.003134 |\n| query end              | 0.000009 |\n| freeing items          | 0.000113 |\n| cleaning up            | 0.000003 |\n+------------------------+----------+\n18 rows in set (Elapsed: 00:00:00.00)<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%9F%A5%E7%9C%8B%E6%97%A5%E5%BF%97\"><\/span>\u67e5\u770b\u65e5\u5fd7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u67e5\u770bgcluser\/log\/gcluster\/express.log\u7684\u5bf9\u5e94\u8f93\u51fa\u3002\u5185\u90e8\u5305\u542b\u4e86\u6574\u4e2a\u6267\u884c\u8fc7\u7a0b\u4ee5\u53ca\u6bcf\u4e00\u6b65\u5728\u6bcf\u4e2a\u8282\u70b9\u7684\u8017\u65f6\u60c5\u51b5\u3002<\/p>\n\n\n\n<p>\u5148\u6c47\u603b\u4e00\u4e0b\u540e\u9762\u8be6\u7ec6\u65e5\u5fd7\u7684\uff0c\u65b9\u4fbf\u67e5\u770b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u539f\u59cbSQL\n# \u6267\u884c\u8ba1\u5212\u9636\u6bb5\n#0 \u7b2c0\u6b65\n##0-0 \u521b\u5efa\u4e34\u65f6\u8868\n##0-1-1 \u521b\u5efa\u4e34\u65f6\u8868\u5404\u4e2a\u8282\u70b9\u7684\u6267\u884c\u65f6\u95f4\n##0-2 \u5c06\u6570\u636e\u91cd\u5206\u5e03\u5230\u4e34\u65f6\u8868\n##0-2-1 \u91cd\u5206\u5e03\u5728\u5404\u4e2a\u8282\u70b9\u7684\u8017\u65f6\n##0-3 \u5237\u65b0\uff0c\u56e0\u4e3a\u91cd\u5206\u5e03\u662f\u5e95\u5c42\u64cd\u4f5c\uff0c\u6240\u4ee5\u8868\u4e00\u7ea7\u8981flush\u4e00\u4e0b\u3002\n##0-3-1 \u5237\u65b0\u5728\u5404\u4e2a\u8282\u70b9\u8017\u65f6\n#1 \u7b2c1\u6b65\n##1-1 \u57281\u4e2a\u8282\u70b9\u521b\u5efa\u6c47\u603b\u4e34\u65f6\u8868\n##1-1-1 \u521b\u5efa\u6c47\u603b\u4e34\u65f6\u8868\u7684\u8017\u65f6\uff0c\u6ce8\u610f\u53ea\u67091\u4e2a\n##1-2 \u6c47\u603b\u6bcf\u4e2a\u8282\u70b9\u7684\u7ed3\u679c\u5230\u6c47\u603b\u8868\n##1-2-1 \u6c47\u603b\u8017\u65f6\n##1-3 \u5237\u65b0\u6c47\u603b\u8868\n##1-3-1 \u5237\u65b0\u6c47\u603b\u8868\u8017\u65f6\n#2 \u7b2c2\u6b65\n##2-1 \u67e5\u8be2\u6c47\u603b\u8868\uff0c\u5f97\u5230\u7ed3\u679c\n##2-1-1 \u67e5\u8be2\u6c47\u603b\u8868\u8017\u65f6\n#3 \u5220\u9664\u4e34\u65f6\u8868\uff0c\u6ce8\u610f\u4e0d\u540c\u8282\u70b9\u7684SQL\u662f\u4e0d\u540c\u7684\n#3-1 \u5220\u9664\u4e34\u65f6\u8868\u8017\u65f6\n<\/code><\/pre>\n\n\n\n<p>\u539f\u59cb\u65e5\u5fd7<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5982\u4e0b\u662fexpress.log\u91cc\u9762\uff0c\u65e5\u5fd7\u7b49\u7ea7\u4e3a7\u7684\u90e8\u5206\u8f93\u51fa\u4fe1\u606f\uff0c\u5176\u4e2d&#91;S:18]\u662f\u5bf9\u5e94\u7684connection_id\u7684\u7f16\u53f718.\n\n# \u539f\u59cbSQL\n2020-11-10 09:54:16.382 &#91;EXEC_P]&#91;INFO ]&#91;S:18]&#91;Q:38]:Original SQL:\nselect id,count(*) from t1 group by id order by count(*) desc limit 10\n2020-11-10 09:54:16.382 &#91;EXEC_P]&#91;INFO ]&#91;S:18]&#91;Q:38]:##############################\n2020-11-10 09:54:16.382 &#91;EXEC_P]&#91;INFO ]&#91;S:18]&#91;Q:38]:#### Main Query Begin ####\n2020-11-10 09:54:16.382 &#91;EXEC_P]&#91;INFO ]&#91;S:18]&#91;Q:38]:##############################\n\n# \u6267\u884c\u8ba1\u5212\u9636\u6bb5\n2020-11-10 09:54:16.382 &#91;EXEC_P]&#91;INFO ]&#91;S:18]&#91;Q:38]:---Top plan is &#91;0x5149de0]---\n\n2020-11-10 09:54:16.382 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Involved in 1 distribuitons\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:===========Datacopymap Of Distribution 2===========\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:|| n1 | ::ffff:10.0.2.202, ::ffff:10.0.2.201, ||\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:|| n2 | ::ffff:10.0.2.201, ::ffff:10.0.2.202, ||\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:===================================================\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Selected a random coordinator node: 10.0.2.201\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Coordinator node is 10.0.2.201\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:--#--Begin a async API mode--#--\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:A plan Begin ...\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Current plan &#91;0x5149de0] has 0 scalar subquery.\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Current plan &#91;0x5149de0] has 0 from subquery.\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Current plan &#91;0x5149de0] has 0 union subquery.\n2020-11-10 09:54:16.383 &#91;EXEC_P]&#91;INFO ]&#91;S:18]&#91;Q:38]:Current plan &#91;0x5149de0] has 3 steps.\n\n\n#0 \u7b2c0\u6b65\n2020-11-10 09:54:16.383 &#91;EXEC_P]&#91;INFO ]&#91;S:18]&#91;Q:38]:## STEP: 0 ...\n\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Current plan &#91;0x5149de0] has 0 uncorrelated subquery.\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Distribution Info, \/&#91;8a:P2C2]\n##0-0 \u521b\u5efa\u4e34\u65f6\u8868\n2020-11-10 09:54:16.383 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:---Step detail: hash redistribute the table in gbase.\n2020-11-10 09:54:16.384 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Passed tasks to async API, good luck!\n\n2020-11-10 09:54:16.385 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.202:5050->33) , SQL:CREATE TABLE `gctmpdb`._tmp_rht_3372351498_18_t2_1_1604972970_s_n1 AS SELECT \/*::ffff:10.0.2.201_18_4_2020-11-10_09:54:16*\/ \/*+ TID('2621458') *\/ `testdb.t1`.`id` AS `c2`, COUNT(0) AS `c3` FROM `testdb`.`t1_n1` `testdb.t1` GROUP BY `testdb.t1`.`id` LIMIT 0 ; commit.\n2020-11-10 09:54:16.385 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.201:5050->10) , SQL:CREATE TABLE `gctmpdb`._tmp_rht_3372351498_18_t2_1_1604972970_s_n2 AS SELECT \/*::ffff:10.0.2.201_18_4_2020-11-10_09:54:16*\/ \/*+ TID('2621458') *\/ `testdb.t1`.`id` AS `c2`, COUNT(0) AS `c3` FROM `testdb`.`t1_n2` `testdb.t1` GROUP BY `testdb.t1`.`id` LIMIT 0 ; commit.\n\n##0-1-1 \u521b\u5efa\u4e34\u65f6\u8868\u5404\u4e2a\u8282\u70b9\u7684\u6267\u884c\u65f6\u95f4\n2020-11-10 09:54:16.393 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:\n-----------------+----Node Performance----+---------------\n+-Type-+-------Node------+-Port-+---Elapsed---+--Status--+\n|  T   | ::ffff:10.0.2.202 | 5050 | 0         s | Finish   |\n|  T   | ::ffff:10.0.2.201 | 5050 | 0         s | Finish   |\n+------+-----------------+------+-------------+----------+\n\n2020-11-10 09:54:16.394 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Passed tasks to async API, good luck!\n\n##0-2 \u5c06\u6570\u636e\u91cd\u5206\u5e03\u5230\u4e34\u65f6\u8868\n2020-11-10 09:54:16.397 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.202:5050->33) , SQL:SELECT \/*::ffff:10.0.2.201_18_4_2020-11-10_09:54:16*\/ \/*+ TID('2621458') *\/ `testdb.t1`.`id` AS `c2`, COUNT(0) AS `c3` FROM `testdb`.`t1_n1` `testdb.t1` GROUP BY `testdb.t1`.`id` target into server (HOST '::ffff:10.0.2.202,::ffff:10.0.2.201', PORT 5050, USER 'root', PASSWORD '', DATABASE 'gctmpdb', TABLE '_tmp_rht_3372351498_18_t2_1_1604972970_s_n1,_tmp_rht_3372351498_18_t2_1_1604972970_s_n2', COMMENT 'group 0, distribution 2, 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\n2020-11-10 09:54:16.400 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.201:5050->10) , SQL:SELECT \/*::ffff:10.0.2.201_18_4_2020-11-10_09:54:16*\/ \/*+ TID('2621458') *\/ `testdb.t1`.`id` AS `c2`, COUNT(0) AS `c3` FROM `testdb`.`t1_n2` `testdb.t1` GROUP BY `testdb.t1`.`id` target into server (HOST '::ffff:10.0.2.202,::ffff:10.0.2.201', PORT 5050, USER 'root', PASSWORD '', DATABASE 'gctmpdb', TABLE '_tmp_rht_3372351498_18_t2_1_1604972970_s_n1,_tmp_rht_3372351498_18_t2_1_1604972970_s_n2', COMMENT 'group 0, distribution 2, 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\n\n##0-2-1 \u91cd\u5206\u5e03\u5728\u5404\u4e2a\u8282\u70b9\u7684\u8017\u65f6\n2020-11-10 09:54:17.140 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:\n-----------------+----Node Performance----+---------------\n+-Type-+-------Node------+-Port-+---Elapsed---+--Status--+\n|  T   | ::ffff:10.0.2.201 | 5050 | 1         s | Finish   |\n|  T   | ::ffff:10.0.2.202 | 5050 | 0         s | Finish   |\n+------+-----------------+------+-------------+----------+\n\n2020-11-10 09:54:17.140 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Passed tasks to async API, good luck!\n\n##0-3 \u5237\u65b0\uff0c\u56e0\u4e3a\u91cd\u5206\u5e03\u662f\u5e95\u5c42\u64cd\u4f5c\uff0c\u6240\u4ee5\u8868\u4e00\u7ea7\u8981flush\u4e00\u4e0b\u3002\n2020-11-10 09:54:17.141 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.202:5050->33) , SQL:flush temporary commit `gctmpdb`._tmp_rht_3372351498_18_t2_1_1604972970_s_n1.\n2020-11-10 09:54:17.141 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.201:5050->10) , SQL:flush temporary commit `gctmpdb`._tmp_rht_3372351498_18_t2_1_1604972970_s_n2.\n\n##0-3-1 \u5237\u65b0\u5728\u5404\u4e2a\u8282\u70b9\u8017\u65f6\n2020-11-10 09:54:17.144 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:\n-----------------+----Node Performance----+---------------\n+-Type-+-------Node------+-Port-+---Elapsed---+--Status--+\n|  T   | ::ffff:10.0.2.202 | 5050 | 0         s | Finish   |\n|  T   | ::ffff:10.0.2.201 | 5050 | 0         s | Finish   |\n+------+-----------------+------+-------------+----------+\n\n#1 \u7b2c1\u6b65\n2020-11-10 09:54:17.144 &#91;EXEC_P]&#91;INFO ]&#91;S:18]&#91;Q:38]:## STEP: 1 ...\n\n2020-11-10 09:54:17.144 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Current plan &#91;0x5149de0] has 0 uncorrelated subquery.\n2020-11-10 09:54:17.144 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Distribution Info, &#91;Coor:C2]\/&#91;8a:P2]\n2020-11-10 09:54:17.144 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:---Step detail: 8a to cluster, gbase8a is producer and gcluster is consumer, the query result is store in gcluster.\n2020-11-10 09:54:17.145 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Passed tasks to async API, good luck!\n\n##1-1 \u57281\u4e2a\u8282\u70b9\u521b\u5efa\u6c47\u603b\u4e34\u65f6\u8868\n2020-11-10 09:54:17.145 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.201:5050->10) , SQL:CREATE TABLE `gctmpdb`._tmp_3372351498_18_t2_2_1604972970_s AS SELECT \/*::ffff:10.0.2.201_18_4_2020-11-10_09:54:16*\/ \/*+ TID('2621458') *\/ `_tmp_rht_3372351498_18_t2_1_1604972970_s_n2`.`c2` AS `c4`, cast(SUM_2ND(`_tmp_rht_3372351498_18_t2_1_1604972970_s_n2`.`c3`) as signed) AS `c5` FROM `gctmpdb`._tmp_rht_3372351498_18_t2_1_1604972970_s_n2 GROUP BY `_tmp_rht_3372351498_18_t2_1_1604972970_s_n2`.`c2` LIMIT 0 ; commit.\n\n##1-1-1 \u521b\u5efa\u6c47\u603b\u4e34\u65f6\u8868\u7684\u8017\u65f6\uff0c\u6ce8\u610f\u53ea\u67091\u4e2a\n2020-11-10 09:54:17.181 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:\n-----------------+----Node Performance----+---------------\n+-Type-+-------Node------+-Port-+---Elapsed---+--Status--+\n|  T   | ::ffff:10.0.2.201 | 5050 | 0         s | Finish   |\n+------+-----------------+------+-------------+----------+\n\n2020-11-10 09:54:17.181 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Passed tasks to async API, good luck!\n\n##1-2 \u6c47\u603b\u6bcf\u4e2a\u8282\u70b9\u7684\u7ed3\u679c\u5230\u6c47\u603b\u8868\n2020-11-10 09:54:17.181 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.202:5050->33) , SQL:SELECT \/*::ffff:10.0.2.201_18_4_2020-11-10_09:54:16*\/ \/*+ TID('2621458') *\/ `_tmp_rht_3372351498_18_t2_1_1604972970_s_n1`.`c2` AS `c4`, cast(SUM_2ND(`_tmp_rht_3372351498_18_t2_1_1604972970_s_n1`.`c3`) as signed) AS `c5` FROM `gctmpdb`._tmp_rht_3372351498_18_t2_1_1604972970_s_n1 GROUP BY `_tmp_rht_3372351498_18_t2_1_1604972970_s_n1`.`c2` ORDER BY `c5` DESC LIMIT 10 target into server (HOST '::ffff:10.0.2.201', PORT 5050, USER 'root', PASSWORD '', DATABASE 'gctmpdb', TABLE '_tmp_3372351498_18_t2_2_1604972970_s', COMMENT '' ).\n2020-11-10 09:54:17.181 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.201:5050->10) , SQL:SELECT \/*::ffff:10.0.2.201_18_4_2020-11-10_09:54:16*\/ \/*+ TID('2621458') *\/ `_tmp_rht_3372351498_18_t2_1_1604972970_s_n2`.`c2` AS `c4`, cast(SUM_2ND(`_tmp_rht_3372351498_18_t2_1_1604972970_s_n2`.`c3`) as signed) AS `c5` FROM `gctmpdb`._tmp_rht_3372351498_18_t2_1_1604972970_s_n2 GROUP BY `_tmp_rht_3372351498_18_t2_1_1604972970_s_n2`.`c2` ORDER BY `c5` DESC LIMIT 10 target into server (HOST '::ffff:10.0.2.201', PORT 5050, USER 'root', PASSWORD '', DATABASE 'gctmpdb', TABLE '_tmp_3372351498_18_t2_2_1604972970_s', COMMENT '' ).\n\n##1-2-1 \u6c47\u603b\u8017\u65f6\n2020-11-10 09:54:17.270 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:\n-----------------+----Node Performance----+---------------\n+-Type-+-------Node------+-Port-+---Elapsed---+--Status--+\n|  T   | ::ffff:10.0.2.201 | 5050 | 0         s | Finish   |\n|  T   | ::ffff:10.0.2.202 | 5050 | 0         s | Finish   |\n+------+-----------------+------+-------------+----------+\n\n2020-11-10 09:54:17.271 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Passed tasks to async API, good luck!\n\n##1-3 \u5237\u65b0\u6c47\u603b\u8868\n2020-11-10 09:54:17.271 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.201:5050->10) , SQL:flush temporary commit `gctmpdb`._tmp_3372351498_18_t2_2_1604972970_s.\n\n##1-3-1 \u5237\u65b0\u6c47\u603b\u8868\u8017\u65f6\n2020-11-10 09:54:17.272 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:\n-----------------+----Node Performance----+---------------\n+-Type-+-------Node------+-Port-+---Elapsed---+--Status--+\n|  T   | ::ffff:10.0.2.201 | 5050 | 0         s | Finish   |\n+------+-----------------+------+-------------+----------+\n\n\n#2 \u7b2c2\u6b65\n2020-11-10 09:54:17.272 &#91;EXEC_P]&#91;INFO ]&#91;S:18]&#91;Q:38]:## STEP: 2 ...\n\n2020-11-10 09:54:17.272 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Current plan &#91;0x5149de0] has 0 uncorrelated subquery.\n2020-11-10 09:54:17.272 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Distribution Info, &#91;Coor:P2]\n2020-11-10 09:54:17.272 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:---Step detail: cluster to client, gcluster is procducer and send the query result to client.\n2020-11-10 09:54:17.272 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Passed tasks to async API, good luck!\n\n##2-1 \u67e5\u8be2\u6c47\u603b\u8868\uff0c\u5f97\u5230\u7ed3\u679c\n2020-11-10 09:54:17.273 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.201:5050->10) , SQL:SELECT \/*::ffff:10.0.2.201_18_4_2020-11-10_09:54:16*\/ \/*+ TID('2621458') *\/ `_tmp_3372351498_18_t2_2_1604972970_s`.`c4` AS `id`, `_tmp_3372351498_18_t2_2_1604972970_s`.`c5` AS `count(*)` FROM `gctmpdb`._tmp_3372351498_18_t2_2_1604972970_s ORDER BY `count(*)` DESC LIMIT 10.\n2020-11-10 09:54:17.274 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Sent Rows: 10\n\n##2-1-1 \u67e5\u8be2\u6c47\u603b\u8868\u8017\u65f6\n2020-11-10 09:54:17.274 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:\n-----------------+----Node Performance----+---------------\n+-Type-+-------Node------+-Port-+---Elapsed---+--Status--+\n|  T   | ::ffff:10.0.2.201 | 5050 | 0         s | Finish   |\n+------+-----------------+------+-------------+----------+\n\n2020-11-10 09:54:17.274 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Finish all steps of plan &#91;0x5149de0].\n\n2020-11-10 09:54:17.274 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:Passed tasks to async API, good luck!\n\n\n#3 \u5220\u9664\u4e34\u65f6\u8868\uff0c\u6ce8\u610f\u4e0d\u540c\u8282\u70b9\u7684SQL\u662f\u4e0d\u540c\u7684\n2020-11-10 09:54:17.276 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.201:5050->24) , SQL:DROP TABLE IF EXISTS `gctmpdb`._tmp_3372351498_18_t2_2_1604972970_s;DROP TABLE IF EXISTS `gctmpdb`._tmp_rht_3372351498_18_t2_1_1604972970_s_n2.\n2020-11-10 09:54:17.278 &#91;SQLDISP]&#91;INFO ]&#91;S:18]&#91;Q:38]:Target:HOST(::ffff:10.0.2.202:5050->42) , SQL:DROP TABLE IF EXISTS `gctmpdb`._tmp_rht_3372351498_18_t2_1_1604972970_s_n1.\n\n#3-1 \u5220\u9664\u4e34\u65f6\u8868\u8017\u65f6\n2020-11-10 09:54:17.279 &#91;EXECTR]&#91;INFO ]&#91;S:18]&#91;Q:38]:\n-----------------+----Node Performance----+---------------\n+-Type-+-------Node------+-Port-+---Elapsed---+--Status--+\n|  T   | ::ffff:10.0.2.202 | 5050 | 0         s | Finish   |\n|  T   | ::ffff:10.0.2.201 | 5050 | 0         s | Finish   |\n+------+-----------------+------+-------------+----------+<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u63d0\u4f9b\u4e86\u6267\u884c\u8ba1\u5212\uff0c\u4ee5\u53ca\u4e0d\u540c\u7684\u65e5\u5fd7\u7ea7\u522b\uff0c\u73b0\u5b9e\u6574\u4f53\u5404\u4e2a\u8282\u70b9\u8017\u65f6\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8282\u70b9\u7684\u8017\u65f6\uff0c\u6765\u65b9\u4fbf\u7528\u6237\u8fdb\u884c\u6027\u80fd\u6392\u67e5\uff0c\u672c\u6587\u4ecb\u7ecd\u8be6\u7ec6\u7684\u5206\u6790\u65b9\u6cd5\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[28],"class_list":["post-1953","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-28"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1953","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=1953"}],"version-history":[{"count":14,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1953\/revisions"}],"predecessor-version":[{"id":8226,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1953\/revisions\/8226"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=1953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=1953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=1953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}