[IMPALA-2918] Increase unit test coverage of simple-scheduler.cc

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Impala 2.2.5
• Fix Version/s: Impala 2.6.0
• Component/s: Backend
• Labels: ramp-up
• Target Version: Product Backlog
• Assignee: Lars Volker
• Reporter: Lars Volker
• Created: 01/Feb/16 22:41
• Updated: 04/Jan/17 23:58
• Resolved: 16/Sep/16 21:23

Description

Schedule() does not seem to have a unit test (and most of the code called from there, e.g. ComputeFragmentHosts(), ComputeFragmentExecParams()).

Issue Links

• blocks: IMPALA-2979 Simple scheduler : Reservoir sampling doesn't provide enough randomization