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Introduce Guru Meditation Reports into Designate¶
https://blueprints.launchpad.net/designate/+spec/guru-meditation-reports
Problem description¶
Guru Meditation Reports enables Designate service to print a lot of detail debug information about service running thread, configuration and greenlet stack straces when receiving USR1 signal.
Add Guru Meditation Reports into Designate will help us debugging problems easier especially when dealing with bugs root in deadlocks between eventlet greenthreads.
Guru Meditation Reports is alreadly implemented in oslo-incubator and used in Nova.
Proposed change¶
Pick Guru Meditation Reports implementation from oslo-incubator and add the USR1 signal handler.
All Designate services will support Guru Meditation Reports, including:
designate-central
designate-api
designate-mdns
designate-agent
designate-pool-manager
designate-sink
designate-manage
API Changes¶
None
Central Changes¶
None
Storage Changes¶
None
Other Changes¶
Designate service processes will receive USR1 signal and print Guru Meditation Reports.
Implementation¶
Assignee(s)¶
- Primary assignee:
stanzgy
Milestones¶
- Target Milestone for completion:
Kilo-3
Work Items¶
Work items are listed in Proposed change section.
Documentation Impact¶
Describe how to generate and view a Guru Meditation Reports.
