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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 05:53:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-23619?focusedWorklogId=450243&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-450243
]

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

                Author: ASF GitHub Bot
            Created on: 24/Jun/20 05:52
            Start Date: 24/Jun/20 05:52
    Worklog Time Spent: 10m 
      Work Description: sankarh commented on a change in pull request #1146:
URL: https://github.com/apache/hive/pull/1146#discussion_r444659453



##########
File path: ql/src/java/org/apache/hadoop/hive/ql/reexec/ReExecuteLostAMQueryPlugin.java
##########
@@ -0,0 +1,75 @@
+/*
+ * 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.hive.ql.Driver;
+import org.apache.hadoop.hive.ql.hooks.ExecuteWithHookContext;
+import org.apache.hadoop.hive.ql.hooks.HookContext;
+import org.apache.hadoop.hive.ql.plan.mapper.PlanMapper;
+
+import java.util.regex.Pattern;
+
+public class ReExecuteLostAMQueryPlugin implements IReExecutionPlugin {
+    private boolean retryPossible;
+
+    // Lost am container have exit code -100, due to node failures.
+    private Pattern lostAMContainerErrorPattern = Pattern.compile(".*AM Container for .*
exited .* exitCode: -100.*");

Review comment:
       Then no worries.




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

    Worklog Id:     (was: 450243)
    Time Spent: 1h 50m  (was: 1h 40m)

> 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 50m
>  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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