[AMBARI-23766] Corrupt mapreduce/tez tar.gz may be uploaded to HDFS if parallel execution is enabled

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.6.0
• Fix Version/s: 2.7.0
• Component/s: ambari-agent
• Labels: pull-request-available
• Assignee: Attila Doroszlai
• Reporter: Attila Doroszlai
• Created: 04/May/18 14:18
• Updated: 05/May/18 17:16
• Resolved: 04/May/18 22:42

Description

If parallel_execution on Ambari Agent is enabled, two components (History Server and Hive Server) may create and upload the MapReduce and Tez archives concurrently. This could result in a corrupt uploaded file, preventing Hive Server from starting.

output-32.txt

2018-05-04 07:24:40,421 - Creating a new Tez tarball at /var/lib/ambari-agent/tmp/tez-native-tarball-staging/tez-native.tar.gz
...
2018-05-04 07:24:49,751 - Creating new file /hdp/apps/2.6.4.5-2/tez/tez.tar.gz in DFS
2018-05-04 07:24:49,753 - call['ambari-sudo.sh su hdfs -l -s /bin/bash -c 'curl -sS -L -w '"'"'%{http_code}'"'"' -X PUT --data-binary @/var/lib/ambari-agent/tmp/tez-native-tarball-staging/tez-native.tar.gz -H '"'"'Content-Type: application/octet-stream'"'"' '"'"'http://localhost:50070/webhdfs/v1/hdp/apps/2.6.4.5-2/tez/tez.tar.gz?op=CREATE&user.name=hdfs&overwrite=True&permission=444'"'"' 1>/tmp/tmpoEINHo 2>/tmp/tmpkjlNxP''] {'logoutput': None, 'quiet': False}
2018-05-04 07:24:51,629 - call returned (0, '')

output-30.txt

2018-05-04 07:24:46,818 - Creating a new Tez tarball at /var/lib/ambari-agent/tmp/tez-native-tarball-staging/tez-native.tar.gz
...
2018-05-04 07:24:54,117 - DFS file /hdp/apps/2.6.4.5-2/tez/tez.tar.gz is identical to /var/lib/ambari-agent/tmp/tez-native-tarball-staging/tez-native.tar.gz, skipping the copying

Issue Links

• links to: GitHub Pull Request #1181
• links to: GitHub Pull Request #1188