[HIVE-15688] LlapServiceDriver - an option to start the cluster immediately

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.3.0
• Assignee: Sergey Shelukhin
• Reporter: Sergey Shelukhin
• Created: 21/Jan/17 03:31
• Updated: 21/Jul/17 18:36
• Resolved: 10/Feb/17 01:32

Description

run.sh is very slow because it's 4 calls to slider, which means 4 JVMs, 4 connections to RM and other crap, for 2-5sec. of overhead per call, depending on the machine/cluster.
What we need is a mode for llapservicedriver that would not generate run.sh, but would rather run the cluster immediately by calling the corresponding 4 slider APIs. Should probably be the default, too. For compat with scripts we might generate blank run.sh for now.

Issue Links

• requires: SLIDER-1192 Slider Agent tarball should be uploaded to HDFS to avoid client side dependency
• links to: RB