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Diffstat (limited to 'docs/sections/blueprints/PGaaS.rst')
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diff --git a/docs/sections/blueprints/PGaaS.rst b/docs/sections/blueprints/PGaaS.rst new file mode 100644 index 00000000..5599c63e --- /dev/null +++ b/docs/sections/blueprints/PGaaS.rst @@ -0,0 +1,24 @@ += PostgreSQL as a Service + +PostgreSQL as a Service comes in two flavors: all-in-one blueprint, and +separate disk/cluster/database blueprints to separate the management of +the lifetime of those constituent parts. Both are provided for use. + +== Why Two Flavors? + +The reason there are two flavors of blueprints lays in the difference in +lifetime management of the constituent parts. + +For example, a database usually needs to have persistent storage, which +in these blueprints comes from Cinder storage volumes. The primitives +used in these blueprints assume that the lifetime of the Cinder storage +volumes matches the lifetime of the blueprint deployment. So when the +blueprint goes away, any Cinder storage volume allocated in the +blueprint also goes away. + +Similarly, a database's lifetime should have its + +The all-in-one blueprint assumes that everything can be allocated and +deallocated together. + +MORE TO BE ADDED |