[AMBARI-15189] Set dfs.allow.truncate = True on HDFS during HAWQ install or add service

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: trunk, 2.2.0
• Fix Version/s: 2.3.0, 2.2.2
• Component/s: ambari-server
• Assignee: Lav Jain
• Reporter: Lav Jain
• Created: 25/Feb/16 19:39
• Updated: 23/Mar/16 22:22
• Resolved: 23/Mar/16 22:22

Description

Setting this param to True is Mandatory, otherwise, failed transactions in HAWQ might generate too many small files and will impact performance.

Issue Links

• links to: Review Board