Clearwell Systems [1] released version 5.5 of its eDiscovery Platform this week. They claim the new version can process 1 terabyte per day and deal with 100 million documents on a single appliance. Customers who need more than that can link additional appliances. Press release [2]
Links:
[1] http://www.clearwellsystems.com/
[2] http://www.fiercecio.com/press-releases/clearwell-massively-increases-performance-and-scalability-version-5-5-clearwell-e-dis