Why Open Grid Scheduler?

• Open source - while we can't change the license from SISSL to anything else, SISSL is a free and open-source license recognized by FSF (Free Software Foundation) and OSI (Open Source Initiative), and we will keep this a pure open-source project.

Features

• Advance reservation
• Array job and Array job interdependencies
• Rule-based Resource Quota control
• Enhanced remote execution (without using external rshd/rlogind/sshd processes) - pty support for interactive jobs
• Daemons managed by SMF on Solaris and OpenSolaris
• Job Submission Verifier (client-side and server-side job verification)
• Topology-aware scheduling (node-level) and thread binding
• Hadoop integration and Amazon EC2 integration for cloud computing
• DRMAA - Job API
• Parallel make - qmake

Fault Tolerance

• Job restart
• Multiple standby masters

Scalability

Grid Engine is the batch system on TACC Ranger, which has 62,976 processor cores in 3,936 nodes.
• Job submission speed: over 100 jobs per second (benchmarked by Oracle).

Language API support (DRMAA)

• C/C++
• Java
• Perl
• Python
• Ruby