ceilometer/releasenotes/notes/manager-based-ipc-queues-85...

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YAML

---
features:
- |
Workload partitioning of notification agent is now split into queues
based on pipeline type (sample, event, etc...) rather than per individual
pipeline. This will save some memory usage specifically for pipeline
definitions with many source/sink combinations.
upgrade:
- |
If workload partitioning of the notification agent is enabled, the
notification agent should not run alongside pre-Queens agents. Doing so
may result in missed samples when leveraging transformations. To upgrade
without loss of data, set `notification_control_exchanges` option to
empty so only existing `ceilometer-pipe-*` queues are processed. Once
cleared, reset `notification_control_exchanges` option and launch the new
notification agent(s). If `workload_partitioning` is not enabled, no
special steps are required.