https://www.gridengine.eu/index.php/grid-engine-internals/104-univa-grid-engine-81-features-part-4-new-spooling-method-postgresql-spooling-2012-06-01
Univa Grid Engine 8.1 Features (Part 4) - New Spooling Method: PostgreSQL Spooling - Grid Engine...
Grid Engine supported 3 different spooling methods in the past: classic spooling (where the data is written directly into files on the filesystem), berkeleydb...
univa grid enginefeaturespartnewspooling