add release note for sacks

Change-Id: I0c0f190f556b36579a3afea63dc79fa7b1a9f443
This commit is contained in:
gord chung 2017-05-19 03:06:04 +00:00
parent c4183fe4fa
commit 8a2f36cbae

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---
features:
- |
New measures are now sharded into sacks to better distribute data across
storage driver as well as allow for improved scheduling of aggregation
workload.
upgrade:
- |
The storage driver needs to be upgraded. The number of sacks to distribute
across can be configured on upgrade by passing in ``num-storage-sacks``
value on upgrade. A default number of sacks will be created if not set.
This can be reconfigured post-upgrade as well by using
``gnocchi-change-sack-size`` cli. See documentation for hints on the number
of sacks to set for your environment and upgrade notes