Comment 5 for bug 1566149

Reviewed: https://review.opencontrail.org/19168
Committed: http://github.org/Juniper/contrail-controller/commit/42551a2e6124f112d941f9f18e90f8cf67054392
Submitter: Zuul
Branch: master

commit 42551a2e6124f112d941f9f18e90f8cf67054392
Author: Nischal Sheth <email address hidden>
Date: Mon Mar 28 10:48:30 2016 -0700

Improve parallelism between bgp/xmpp state machine and io tasks

Highlights:

- Set task_instance for xmpp::StateMachine based on remote ip address
- Set task_instance for xmpp io::Reader to be same as xmpp::StateMachine
- Remove blanket exclusion between io::Reader and xmpp::StateMachine
- Make io::Reader and xmpp::StateMachine exclusive for same task_instance
- Remove blanket exclusion between io::Reader and bgp::StateMachine
- Make io::Reader and bgp::StateMachine exclusive for same task_instance
- Limit max task_instance for above tasks to scheduler's thread count
- Add concurrency annotations to PeerRibMembershipManager
- Fix concurrency issues in PeerRibMembershipManager
- Fix concurrency issues in BgpXmppChannelManager

Change-Id: I96ff21fe7da06cd37a057d53712f85511dd8ff2a
Closes-Bug: 1566149