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The EAS databases (mad, sfmaps) need to support 3 sorts of activities
- relatively high IO I/O because it's geospatial
- modest OLTP actvity from single django web application
- most connections from single django web application (no connection pooling)
- modest number of simultaneous connections (estimate max of 50)
- significant overnight ETL activity (sfmaps, mad databases)
- heavy read processes from geoserver to produce web maps (sfmaps database)
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