LvtMsgLost\/ServerRestart<\/font><\/strong>\uff0c\u6709\u5982\u4e0b\u51e0\u79cd\u53ef\u80fd\uff1a<\/p>\na) DBAService\u76d1\u63a7\u57cb\u70b9\u6570\u636e\u6709\u4e22\u5931\uff08QuarkServer\u6216DBAService\u538b\u529b\u6bd4\u8f83\u5927\u4f1a\u5bfc\u81f4\u8be5\u73b0\u8c61\uff09\uff0c\u4e00\u822c\u770b\u662f\u4e0d\u662f\u4e00\u4e2adbaservice\u76d1\u63a7\u592a\u591aquark\uff0c\u5982\u679c\u662f\uff0c\u5219\u5efa\u8bae\u7528\u591a\u4e2adbaservice\uff0c\u5efa\u8bae\u4e00\u4e2adbaservice\u6700\u591a\u76d1\u63a7\u4e0d\u8d85\u8fc74\u4e2a\u3002<\/p>\n
b) \u5982\u679c\u662fdba-9.4.2\u6216\u4ee5\u4e0b\u7248\u672c\uff0c\u5219\u53ef\u80fd\u662f\u5df2\u77e5BUG\uff0c\u53ef\u4ee5\u901a\u8fc7\u5347\u7ea7\u6700\u65b0DBAService\uff0c\u6216\u66f4\u65b0 Patch-DBAService-9.4.2-20230621-01 \u53ca\u4ee5\u4e0a\u7248\u672cpatch\u3002<\/p>\n
4. SQL\u5361\u5728postrun\u72b6\u6001<\/h4>\n
\u57289.4.2\u53ca\u4ee5\u4e0b\u7248\u672c\uff0cDBA Service\u4e0a\u7684 PostRun<\/font><\/strong> \u9636\u6bb5\u88ab\u7b80\u5355\u5b9a\u4e49\u4e3aLvtSQLComputeFinish\u6d88\u606f\u548cLvtSqlEnd\u6d88\u606f\u4e4b\u95f4\u7684\u72b6\u6001\u3002
\n\u5b9e\u9645\u4e0a\u5728\u8fd9\u4e2a\u9636\u6bb5\u53d1\u751f\u5f88\u591a\u4e8b\uff1aCommit File (\u79fb\u52a8\u6587\u4ef6\u9636\u6bb5)\u3001 Fetch Result (\u5bf9\u5e94JDBC\u7684\u8bfb\u7ed3\u679c\u9636\u6bb5\uff09<\/p>\n\u5efa\u8bae\uff1a\u5347\u7ea7\u5230\u6700\u65b0\u7248\u672cDBAService + patch\uff0c\u4e0d\u518d\u6709postrun\u72b6\u6001\uff0c\u5c06\u8be5\u9636\u6bb5\u62c6\u5206\u4e3a\u6700\u5173\u952e\u7684\u4e24\u4e2a\u9636\u6bb5\uff1aFILECOMMIT<\/font><\/strong> \u548c FETCHRESULT<\/font><\/strong>\uff0c\u5bf9\u4e8eFETCHRESULT\u9636\u6bb5\uff0c\u901a\u8fc7 select * from system.processes_v<\/code> \u68c0\u67e5SQL\u6267\u884c\u72b6\u6001\uff0c\u5982\u679c\u5b58\u5728\u8be5SQL\u4e14\u8be5SQL\u7684\u72b6\u6001\u4e3aFINISHED\uff0c\u5219\u7ed9\u5f53\u524dSQL\u589e\u52a0\u4e00\u4e2a\u6807\u8bb0 FINISHED<\/font><\/strong>\u3002<\/p>\n5. SQL\u5361\u5728submitted\u72b6\u6001<\/h4>\n
\u8be5\u9636\u6bb5\u6267\u884c \u7f16\u8bd1\uff0c\u751f\u6210\u6267\u884c\u8ba1\u5212\uff0c\u83b7\u53d6\u9501\uff08\u53ef\u80fd\u4f1a\u6709\uff09\u7b49\u9636\u6bb5\uff0c\u91cd\u70b9\u5173\u6ce8\uff1a<\/p>\n
\n- quark server \u662f\u5426GC<\/li>\n
- server\u65e5\u5fd7\u68c0\u67e5perflog\uff0c\u662f\u5426\u5361\u5728acquireReadWriteLocks<\/li>\n<\/ul>\n
6. SQL\u5361\u5728fetchresult\u72b6\u6001<\/h4>\n
\u5ba2\u6237\u7aef\u8bfb\u53d6Query\u7684\u8ba1\u7b97\u7ed3\u679c\uff0c\u6267\u884c select * from system.processes_v <\/code><\/p>\n\n- \u5982\u679cSQL\u7684\u6267\u884c\u7ed3\u679c\u72b6\u6001\u4e3a FETCHRESULT<\/font><\/strong>\uff0c\u5ba2\u6237\u7aef\u6b63\u5728\u53d6\u8ba1\u7b97\u7ed3\u679c\u3002<\/li>\n
- \u5982\u679cSQL\u7684\u6267\u884c\u7ed3\u679c\u72b6\u6001\u4e3a FETCHRESULT<\/font><\/strong>\uff0c\u4e14\u6807\u8bb0\u5217\u4e2d\u5305\u542b
FINISHED<\/code>\uff0c\u5ba2\u6237\u7aef\u8fde\u63a5\u672a\u91ca\u653e\uff0c\u53ef\u80fd\u662f\u6267\u884c\u5b8c\u67e5\u8be2\u672aclose\u3002<\/li>\n<\/ul>\n7. SQL\u5361\u5728filecommit\u72b6\u6001<\/h4>\n
\u6b64\u9636\u6bb5\u4e00\u822c\u4e3a\u6b63\u5728\u5199\u8ba1\u7b97\u4efb\u52a1\u7ed3\u679c\uff0c\u5373\u5bf9\u5199\u8868\u64cd\u4f5c\uff0cSQL\u6267\u884c\u65f6\uff0c\u7ed3\u679c\u653e\u5230Session\u7684\u4e00\u4e2a\u4e34\u65f6\u76ee\u5f55\uff0c\u8ba1\u7b97\u7ed3\u675f\u540e\uff0c\u9700\u8981\u5c06\u6587\u4ef6\u4ece\u4e34\u65f6\u76ee\u5f55mv\u5230\u6570\u636e\u5e93\u6240\u5728HDFS\u76ee\u5f55\uff0c\u5bf9\u5e94perflog\u65f6\u95f4\u4e2d\u7684 task.MOVE.Stage.*<\/code> (\u4e0d\u5305\u62ec\u8ba1\u7b97\u65f6\u95f4\uff0c\u6b64\u65f6\u8ba1\u7b97\u5df2\u7ed3\u675f\uff0c\u5373job\/stage\/task\u5df2\u6267\u884c\u7ed3\u675f)<\/p>\n\n- \u76ee\u6807\u8868\u662f\u5426\u662f\u591a\u7ea7\u5206\u533a\uff1f\u4e0d\u5efa\u8bae\u4f7f\u7528\u4e8c\u7ea7\u53ca\u4ee5\u4e0a\u5206\u533a\uff0c\u4f1a\u663e\u8457\u5bfc\u81f4\u5c0f\u6587\u4ef6\u95ee\u9898\uff1b<\/li>\n
- \u4e00\u6b21\u6027\u5199\u5165\u4e86\u5f88\u591a\u4e2a\u5c0f\u6587\u4ef6\uff1f\u68c0\u67e5task\u6570\u76ee\u662f\u5426\u8fc7\u591a\uff0c\u80fd\u5426\u901a\u8fc7\u5c0f\u6587\u4ef6\u5408\u5e76\u53c2\u6570\u964d\u4f4e\u5199\u5165\u6587\u4ef6\u7684\u6570\u76ee<\/li>\n
- \u68c0\u67e5\u4e0b\u78c1\u76d8io \u662f\u5426\u6253\u6ee1<\/li>\n
- \u5f85\u8865\u5145<\/li>\n<\/ul>\n
8. \u6301\u7eed\u65f6\u957f <\uff08\u5b8c\u6210\u65f6\u95f4-\u63d0\u4ea4\u65f6\u95f4\uff09\uff0c\u4e14\u6807\u8bb0\u5217\uff08Tags\uff09\u4e3a FINISHED<\/h4>\n
\u539f\u56e0\u5728\u4e8e\uff0c\u4e0d\u89c4\u8303\u7684JDBC\u4f7f\u7528\u65b9\u5f0f\uff0c\u6267\u884c\u5b8c\u67e5\u8be2\u540e\uff0c\u6ca1\u6709 close statement\u3002\u4ee5\u4e0b\u9762\u7684\u6837\u4f8b\u4ee3\u7801\u4e3a\u4f8b\uff0c\u6ce8\u91ca\u6389 st.close();<\/code><\/p>\nimport java.sql.*;\npublic class testMetaData {\n public static void main(String[] args) throws SQLException, ClassNotFoundException {\n Class.forName(\"org.apache.hive.jdbc.HiveDriver\");\n String jdbcUrl = \"jdbc:hive2:\/\/172.22.23.1:10000\/default?hive.session.id=my.s1\";\n try (Connection connection = DriverManager.getConnection(jdbcUrl, \"hive\", \"123456\")) {\n runCmd(connection);\n runCmd(connection);\n runCmd(connection);\n Thread.sleep(120000);\n } catch (InterruptedException e) {\n Thread.currentThread().interrupt();\n e.printStackTrace();\n }\n }\n public static void runCmd(Connection connection) throws SQLException {\n Statement st = null;\n try {\n st = connection.createStatement();\n String cmd = \"show databases\";\n System.out.println(\"runSql: \" + cmd);\n boolean hasResultSet = st.execute(cmd);\n if (hasResultSet) {\n ResultSet rs = st.getResultSet();\n while (rs.next()) {\n System.out.println(rs.getString(1));\n }\n }\n } finally {\n if (st != null && !st.isClosed()) {\n \/\/\u8fd9\u91cc\u6ce8\u91ca\u6389 close statement\u3002\n\/\/ st.close();\n }\n }\n }\n}<\/code><\/pre>\n\u6700\u7ec8\uff0c\u6301\u7eed\u65f6\u957f\u4e3a1m20s\uff0c\u5c0f\u4e8e \u5b8c\u6210\u65f6\u95f4 \u51cf\u53bb \u63d0\u4ea4\u65f6\u95f4 \u7684 2m \u3002\u4e14\u540e\u9762\u7684\u6807\u8bb0\u5217\u4e3a FINISHED<\/font><\/strong>\u3002<\/p>\n\n
![](\"\/wp-content\/uploads\/2024\/11\/image-1744255340017.png\")
\n<\/div>\n
9. executor\u8d1f\u8f7d 100% \u7206\u7ea2\u4e86\u600e\u4e48\u529e\uff1f<\/h4>\n
executor \u8d1f\u8f7d100% \u662f\u975e\u5e38\u6b63\u5e38\u7684\u73b0\u8c61\uff0c\u8bf4\u660e\u8fd9\u4e2a\u8fd9\u4e2aquark\/inceptor\u7684task\u5e76\u53d1\u5168\u90fd\u7528\u6765\u8dd1\u4efb\u52a1\u4e86\uff1b
\nexecutor\u8d1f\u8f7d\u7684\u8ba1\u7b97\u65b9\u5f0f\u662f\uff1a\uff08running task\u6570\uff09\/\uff08\u5e76\u53d1\u53ef\u6267\u884ctotal cores)\uff0c\u5176\u4e2d
\n\u3010\u5e76\u53d1\u53ef\u6267\u884ctotal cores\u3011 = \u3010\u6bcf\u4e2aexecutor\u8282\u70b9\u914d\u7f6e\u7684CPU\u6838\u6570(inceptor.executor.cores<\/code>) \u7d2f\u52a0\u4e4b\u548c\u3011 \u4e58\u4ee5 \u3010executor.number.eachnode<\/code>\u3011<\/p>\n\u4ee5\u4e0b\u56fe\u4e3a\u4f8b\uff0c\u3010\u5e76\u53d1\u53ef\u6267\u884ctotal cores\u3011 =(3+3+9)*2=30<\/p>\n
\n
![](\"\/wp-content\/uploads\/2024\/11\/image-1737528746020.png\")
\n<\/div>\n
\n
![](\"\/wp-content\/uploads\/2024\/11\/image-1737528763548.png\")
\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u6982\u8981\u63cf\u8ff0 \u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\uff0cDBAService Query\u9875\u9762\uff0c\u6bcf\u79cdstatus\u7684\u72b6\u6001\u89e3\u91ca\uff0c\u4ee5\u53ca\u5e38\u89c1\u72b6\u6001\u5f02\u5e38\u95ee\u9898 ..<\/p>\n
<\/div>\n
Read more<\/a><\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14818","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/14818","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14818"}],"version-history":[{"count":4,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/14818\/revisions"}],"predecessor-version":[{"id":18225,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/14818\/revisions\/18225"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14818"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14818"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14818"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![](\"\/wp-content\/uploads\/2024\/11\/image-1732503379088.png\")
\n<\/div>\n![](\"\/wp-content\/uploads\/2024\/11\/image-1732501930587.png\")
\n<\/div>\n![](\"\/wp-content\/uploads\/2024\/11\/image-1732502042794.png\")
\n<\/div>\n![](\"\/wp-content\/uploads\/2024\/11\/image-1732502055229.png\")
\n<\/div>\n![](\"\/wp-content\/uploads\/2024\/11\/image-1732502201445.png\")
\n<\/div>\n![](\"\/wp-content\/uploads\/2024\/11\/image-1732502827820.png\")
\n<\/div>\n![](\"\/wp-content\/uploads\/2024\/11\/image-1739865468840.png\")
\n<\/div>\n