diff options
| author |   Brent Eagles <beagles@redhat.com> | 2016-10-05 15:36:00 -0230 |
|---|---|---|
| committer | Brent Eagles <beagles@redhat.com> | 2016-11-11 10:10:28 -0330 |
| commit | eec4587bc77de49acdae29a86c9e197cb3b194db (patch) | |
| tree | 196742f5635048d74e471897241fbd327038f222 | |
| parent | ff86a856a61ef2d177e05cb5a26d87f7d5741c78 (diff) | |
Increase reserved memory for computes when enabling DVR
This patch adds an example increased value for NovaReservedHostMemory
and some documentation around tuning this value when DVR is enabled.
Closes-Bug: #1630583
Change-Id: I2718d72d307a1c90061606e5f36c96f964cd2fb5
| -rw-r--r-- | environments/neutron-ovs-dvr.yaml | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/environments/neutron-ovs-dvr.yaml b/environments/neutron-ovs-dvr.yaml index b658d3a5..f4f9990c 100644 --- a/environments/neutron-ovs-dvr.yaml +++ b/environments/neutron-ovs-dvr.yaml @@ -37,3 +37,16 @@ parameter_defaults: # NeutronL3HA can be returned to false. All new systems should be deployed # with NeutronL3HA set to false. NeutronL3HA: false + + # Enabling DVR deploys additional services to the compute nodes that through + # normal operation will consume memory. The amount required is roughly + # proportional to the number of Neutron routers that will be scheduled to + # that host. It is necessary to reserve memory on the compute nodes to avoid + # memory issues when creating instances that are connected to routed + # networks. The current expected consumption is 50 MB per router in addition + # to the base reserved amount. Deployers should refer to existing + # documentation, release notes, etc. for additional information on estimating + # an appropriate value. The provided value here is based on an estimate of 10 + # routers and is an example value *only* and should be reviewed and modified + # if necessary before deploying. + NovaReservedHostMemory: 2560 |