[Openstack-operators] [openstack-dev] [nova] Quota Default Values
jogo at cloudscaling.com
Wed Nov 14 22:00:37 UTC 2012
Hi openstack-dev and openstack-operators,
I would like to start a discussion on what the default values for quotas
should be; many of the default values have not been changed since September
2010 (commit 56779ebfec9cd382f170e307a1dc6403e339807f), and it may be time
to revisit the default values. Below is a list of the current default
quota values in nova/quota.py.
quota_ram=50 * 1024
quota_injected_file_content_bytes=10 * 1024
While some of these values are fairly large for small scale testing (100
key_pairs), some quotas are easily reached in a small environment such
as quota_instances=10 and
quota_cores=20. With the default quotas you can only run 10 m1.tinys, 10
m1.mediums or 5 m1.larges.
Operators, have you had any issues with the current default values for
While one should need to adjust the quotas as needed when using nova, that
does not negate the need for good default values. So what should the
default values be? Should some of the quotas be disabled by default?
Should we have default values for all of the quotas or force users to
explicitly set some? Who is the target audience for the default values for
For comparison Amazon only has one quota by default, an instance quota of
20 VMs (
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