VMware Log Insight provides real time log management for virtual and physical systems including Windows, Linux, Routers, Switches, Firewalls, etc.
Version 2.0 supports 7,500 eps (events per second) per node and you can cluster up to 6 of them to achieve 45,000 eps.
It also includes content packs to extend its functionality free of charge from several vendors like VCE, HyTrust, NetApp, EMC, Cisco and others - https://solutionexchange.vmware.com/store/loginsight.
Additional links and references:
- vCenter Log Insight 2.0 Product Overview Video - http://www.youtube.com/watch?v=1z4K-tH-BCc