| # |
| # 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. |
| # |
| |
| - name: Check if JobHistoryServer is running |
| shell: jps | grep "JobHistoryServer" |
| ignore_errors: yes |
| changed_when: false |
| register: jhs_status |
| |
| - name: Start Job History Server on Hadoop 3.x |
| command: "nohup {{ hadoop_home }}/bin/mapred --daemon start historyserver" |
| when: jhs_status.rc == 1 and hadoop_major_version == '3' |
| |
| - name: Start Job History Server on Hadoop 2.x |
| command: "nohup {{ hadoop_home }}/sbin/mr-jobhistory-daemon.sh start historyserver" |
| when: jhs_status.rc == 1 and hadoop_major_version == '2' |
