mitaka-3 release notes

Change-Id: Icc1c4347ec99290e569252b32674051029a28028

releasenotes/notes/cache-json-parsers-888307f3b6b498a2.yaml

@@ -0,0 +1,6 @@
+---
+fixes:
+  - >
+    [`bug 1550436 <https://bugs.launchpad.net/ceilometer/+bug/1550436>`_]
+    Cache json parsers when building parsing logic to handle event and
+    meter definitions. This will improve agent startup and setup time.

releasenotes/notes/compute-discovery-interval-d19f7c9036a8c186.yaml

@@ -0,0 +1,9 @@
+---
+features:
+  - >
+    To minimise load on Nova API, an additional configuration option was added
+    to control discovery interval vs metric polling interval. If
+    resource_update_interval option is configured in compute section, the
+    compute agent will discover new instances based on defined interval. The
+    agent will continue to poll the discovered instances at the interval
+    defined by pipeline.

releasenotes/notes/fix-aggregation-transformer-9472aea189fa8f65.yaml

@@ -0,0 +1,7 @@
+---
+fixes:
+  - >
+    [`bug 1539163 <https://bugs.launchpad.net/ceilometer/+bug/1539163>`_]
+    Add ability to define whether to use first or last timestamps when
+    aggregating samples. This will allow more flexibility when chaining
+    transformers.

releasenotes/notes/gnocchi-host-metrics-829bcb965d8f2533.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - >
+    [`bug 1518338 <https://bugs.launchpad.net/ceilometer/+bug/1518338>`_]
+    Add support for storing SNMP metrics in Gnocchi.This functionality requires
+    Gnocchi v2.1.0 to be installed.

releasenotes/notes/improve-events-rbac-support-f216bd7f34b02032.yaml

@@ -0,0 +1,11 @@
+---
+upgrade:
+  - >
+    To utilize the new policy support. The policy.json file
+    should be updated accordingly. The pre-existing policy.json
+    file will continue to function as it does if policy changes
+    are not required.
+fixes:
+  - >
+    [`bug 1504495 <https://bugs.launchpad.net/ceilometer/+bug/1504495>`_]
+    Configure ceilometer to handle policy.json rules when possible.

releasenotes/notes/mongodb-handle-large-numbers-7c235598ca700f2d.yaml

@@ -0,0 +1,7 @@
+---
+fixes:
+  - >
+    [`bug 1532661 <https://bugs.launchpad.net/ceilometer/+bug/1532661>`_]
+    Fix statistics query failures due to large numbers stored in MongoDB. Data
+    from MongoDB is returned as Int64 for big numbers when int and float types
+    are expected. The data is cast to appropriate type to handle large data.

releasenotes/notes/support-None-query-45abaae45f08eda4.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - >
+    [`bug 1388680 <https://bugs.launchpad.net/ceilometer/+bug/1388680>`_]
+    Suppose ability to query for None value when using SQL backend.

releasenotes/notes/support-lbaasv2-polling-c830dd49bcf25f64.yaml

@@ -0,0 +1,15 @@
+---
+features:
+  - >
+    Support for polling Neutron's LBaaS v2 API was added as v1 API in Neutron
+    is deprecated. The same metrics are available between v1 and v2.
+issues:
+  - >
+    Neutron API is not designed to be polled against. When polling against
+    Neutron is enabled, Ceilometer's polling agents may generage a significant
+    load against the Neutron API. It is recommended that a dedicated API be
+    enabled for polling while Neutron's API is improved to handle polling.
+upgrade:
+  - >
+    By default, Ceilometer will poll the v2 API. To poll legacy v1 API,
+    add neutron_lbaas_version=v1 option to configuration file.

releasenotes/notes/support-unique-meter-query-221c6e0c1dc1b726.yaml

@@ -0,0 +1,7 @@
+---
+features:
+  - >
+    [`bug 1506959 <https://bugs.launchpad.net/ceilometer/+bug/1506959>`_]
+    Add support to query unique set of meter names rather than meters
+    associated with each resource. The list is available by adding unique=True
+    option to request.