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Diffstat (limited to 'docs/sections/blueprints/PGaaS.rst')
| -rw-r--r-- | docs/sections/blueprints/PGaaS.rst | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/docs/sections/blueprints/PGaaS.rst b/docs/sections/blueprints/PGaaS.rst index 080e5757..eedcfe56 100644 --- a/docs/sections/blueprints/PGaaS.rst +++ b/docs/sections/blueprints/PGaaS.rst @@ -1,12 +1,12 @@ PostgreSQL as a Service -============ +======================= PostgreSQL as a Service (PGaaS) 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 Three Flavors? ------------- +------------------ The reason there are three flavors of blueprints lays in the difference in lifetime management of the constituent parts and the number of VMs created. @@ -24,10 +24,10 @@ be deployed too. OR, the database should have a lifetime beyond the scope of the applications that are writing to it or reading from it. Blueprint Files ------------- +--------------- The Blueprints for PG Services and Cinder -^^^^^^^^^^^ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The all-in-one blueprint ``pgaas.yaml`` assumes that the PG servers and Cinder volumes can be allocated and deallocated together. The ``pgaas.yaml`` blueprint creates a cluster of two VMs named "``pstg``" by default. @@ -40,7 +40,7 @@ Cinder volume, and ``pgaas-cluster.yaml`` to allocate a PG cluster. Create the C redeployed without affecting the data on the Cinder volumes. The Blueprints for Databases -^^^^^^^^^^^ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The ``pgaas-database.yaml`` blueprint shows how a database can be created separately from any application that uses it. That database will remain present until the pgaas-database.yaml blueprint is @@ -56,7 +56,7 @@ adds the ``use_existing: true`` property. What is Created by the Blueprints -^^^^^^^^^^^^ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Each PostgreSQL cluster has a name, represented below as ``${CLUSTER}`` or ``CLNAME``. Each cluster is created with two VMs, one VM used for the writable master and the other as a cascaded read-only secondary. @@ -84,7 +84,7 @@ How to Run To install the PostgreSQL as a Service -^^^^^^^^^^^^ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Installing the all-in-one blueprint is straightforward: |