move the connection pool settings for sql drivers back.  new settings were making things worse regarding proliferation of unused connections.
move the connection pool settings for sql drivers back.  new settings were making things worse regarding proliferation of unused connections.

blueoceanideas/metabase,blueoceanideas/metabase,blueoceanideas/metabase,blueoceanideas/metabase,blueoceanideas/metabase