[MCOL-5001] Combine PrimProc and ExeMgr runtimes Created: 2022-02-25  Updated: 2023-11-17  Resolved: 2022-04-26

Status: Closed
Project: MariaDB ColumnStore
Component/s: ExeMgr, PrimProc
Affects Version/s: 6.2.3
Fix Version/s: 22.08.1

Type: New Feature Priority: Major
Reporter: Roman Assignee: Leonid Fedorov
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
PartOf
is part of MCOL-4448 Combine PrimProc and ExeMgr Closed
is part of MCOL-4794 Combine all processes in a single one... Open
Problem/Incident
causes MCOL-5097 Remove mcs-exemgr.service systemd unit Closed
causes MCOL-5152 PP now puts data directly into EM inp... Closed
Relates
relates to MCOL-5166 EM to PP facility communication speed... Closed
Sprint: 10.0.20, 2021-17

 Description   

The eventual goals are:

  • avoid network hop sending data from PP to a local EM
  • combine PP and joblist thread pools in a single runtime to synchronously manage both pools(prerequisite for workload scheduler)

The phases are:

  • clean-up EM runtime
  • combine PP and EM starting EM thread in PP startup procedures
  • clean-up systemd/CMAPI startup and maintenance code
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