[HIVE-11969] start Tez session in background when starting CLI

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.3.0, 2.0.0
• Component/s: Tez
• Assignee: Sergey Shelukhin
• Reporter: Sergey Shelukhin
• Created: 25/Sep/15 20:03
• Updated: 16/Feb/16 23:52
• Resolved: 07/Oct/15 20:58

Description

Tez session spins up AM, which can cause delays, esp. if the cluster is very busy.
This can be done in background, so the AM might get started while the user is running local commands and doing other things.