tree eb2b3bab17c0c6d4f2cf05351ac5db7306245c1c
parent f9de45da2f828de4c1c60973743ad36997795d1f
author Charles Chan <rascov@gmail.com> 1524102065 -0700
committer Charles Chan <charles@opennetworking.org> 1524172952 +0000

Performance improvement when handling host move events

- Avoid querying shouldProgram every time
- Override flows directly instead of remove and add
- Remove unnecessary event handling delay since we have in-order execution now
- Avoid re-initiation of shouldProgram
- Make sure executors are shut down during SR deactivation

Change-Id: I28e383ed2dcb66d503da25934456008e83683b78