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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-23619) HiveServer2 should retry query if the TezAM running it gets killed
Date Wed, 24 Jun 2020 05:35:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-23619?focusedWorklogId=450236&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-450236
]

ASF GitHub Bot logged work on HIVE-23619:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 24/Jun/20 05:34
            Start Date: 24/Jun/20 05:34
    Worklog Time Spent: 10m 
      Work Description: adesh-rao commented on a change in pull request #1146:
URL: https://github.com/apache/hive/pull/1146#discussion_r444654203



##########
File path: itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/reexec/TestReExecuteKilledTezAMQueryPlugin.java
##########
@@ -0,0 +1,207 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.hive.ql.reexec;
+
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.llap.LlapBaseInputFormat;
+import org.apache.hadoop.hive.ql.metadata.HiveException;
+import org.apache.hadoop.yarn.api.records.ApplicationReport;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
+import org.apache.hadoop.yarn.client.api.YarnClient;
+import org.apache.hive.jdbc.BaseJdbcWithMiniLlap;
+import org.apache.hive.jdbc.HiveStatement;
+import org.apache.hive.jdbc.TestJdbcWithMiniLlapArrow;
+import org.apache.hive.jdbc.miniHS2.MiniHS2;
+import org.junit.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.net.URL;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+public class TestReExecuteKilledTezAMQueryPlugin {
+    protected static final Logger LOG = LoggerFactory.getLogger(TestJdbcWithMiniLlapArrow.class);
+
+    private static MiniHS2 miniHS2 = null;
+    private static final String tableName = "testKillTezAmTbl";
+    private static String dataFileDir;
+    private static final String testDbName = "testKillTezAmDb";
+    protected static Connection hs2Conn = null;
+    private static HiveConf conf;
+
+    private static class ExceptionHolder {
+        Throwable throwable;
+    }
+
+    static HiveConf defaultConf() throws Exception {
+        String confDir = "../../data/conf/llap/";
+        if (confDir != null && !confDir.isEmpty()) {
+            HiveConf.setHiveSiteLocation(new URL("file://"+ new File(confDir).toURI().getPath()
+ "/hive-site.xml"));
+            System.out.println("Setting hive-site: " + HiveConf.getHiveSiteLocation());
+        }
+        HiveConf defaultConf = new HiveConf();
+        defaultConf.setBoolVar(HiveConf.ConfVars.HIVE_SUPPORT_CONCURRENCY, false);
+        defaultConf.setBoolVar(HiveConf.ConfVars.HIVE_SERVER2_ENABLE_DOAS, false);
+        defaultConf.addResource(new URL("file://" + new File(confDir).toURI().getPath() +
"/tez-site.xml"));
+        return defaultConf;
+    }
+
+    @BeforeClass
+    public static void beforeTest() throws Exception {
+        conf = defaultConf();
+        conf.setVar(HiveConf.ConfVars.USERS_IN_ADMIN_ROLE, System.getProperty("user.name"));
+        conf.set(HiveConf.ConfVars.HIVE_QUERY_REEXECUTION_STRATEGIES.varname, "reexecute_lost_am");
+        MiniHS2.cleanupLocalDir();
+        Class.forName(MiniHS2.getJdbcDriverName());
+        miniHS2 = new MiniHS2(conf, MiniHS2.MiniClusterType.LLAP);
+        dataFileDir = conf.get("test.data.files").replace('\\', '/').replace("c:", "");
+        Map<String, String> confOverlay = new HashMap<String, String>();
+        miniHS2.start(confOverlay);
+        miniHS2.getDFS().getFileSystem().mkdirs(new Path("/apps_staging_dir/anonymous"));
+
+        Connection conDefault = getConnection(miniHS2.getJdbcURL(),
+                System.getProperty("user.name"), "bar");
+        Statement stmt = conDefault.createStatement();
+        String tblName = testDbName + "." + tableName;
+        Path dataFilePath = new Path(dataFileDir, "kv1.txt");
+        String udfName = TestJdbcWithMiniLlapArrow.SleepMsUDF.class.getName();
+        stmt.execute("drop database if exists " + testDbName + " cascade");
+        stmt.execute("create database " + testDbName);
+        stmt.execute("set role admin");
+        stmt.execute("dfs -put " + dataFilePath.toString() + " " + "kv1.txt");
+        stmt.execute("use " + testDbName);
+        stmt.execute("create table " + tblName + " (int_col int, value string) ");
+        stmt.execute("load data inpath 'kv1.txt' into table " + tblName);
+        stmt.execute("create function sleepMsUDF as '" + udfName + "'");
+        stmt.execute("grant select on table " + tblName + " to role public");
+
+        stmt.close();
+        conDefault.close();
+    }
+
+    @AfterClass
+    public static void afterTest() {
+        if (miniHS2 != null && miniHS2.isStarted()) {
+            miniHS2.stop();
+        }
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        hs2Conn = getConnection(miniHS2.getJdbcURL(), System.getProperty("user.name"), "bar");
+    }
+
+    public static Connection getConnection(String jdbcURL, String user, String pwd) throws
SQLException {
+        Connection conn = DriverManager.getConnection(jdbcURL, user, pwd);
+        conn.createStatement().execute("set hive.support.concurrency = false");
+        return conn;
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        LlapBaseInputFormat.closeAll();
+        hs2Conn.close();
+    }
+

Review comment:
       fixed.




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 450236)
    Time Spent: 1h 20m  (was: 1h 10m)

> HiveServer2 should retry query if the TezAM running it gets killed
> ------------------------------------------------------------------
>
>                 Key: HIVE-23619
>                 URL: https://issues.apache.org/jira/browse/HIVE-23619
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>            Reporter: Adesh Kumar Rao
>            Assignee: Adesh Kumar Rao
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> If the TezAM was running a query and it gets killed because of external factors like
node going node, HS2 should retry the query in different TezAM.



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