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Depending on your data access you may need to submit jobs to a specific farm. This is accomplished by submitting to the appropriate LSF batch queue. Refer to the table below. Jobs for the current experiment should be submitted to the high priority queues psnehq and psfehq running against the Fast Feedback storage layer (FFB). Simulation jobs should be submitted to the low priority queues with idle in the name. CPU intensive jobs, which don't demand high data throughout, should be submitted to the psanacsq queue. When in doubt, use psanaq.
Location | Queue | Nodes | Data | Comments | Throughput (Gbit/s) | Cores | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Building 50 | psanaq | psana11xx, psana14xx | ALL (no FFB) | Primary psana queue | 40 | 480 | ||||||||||||
| psanaidleq | psana11xx, psana14xx | Simulations, preemptable, low priority | 480 | |||||||||||||||
NEH | psnehq | psana12xx | FFB for AMO, SXR, XPP | Current experiment on FFB | 40 | 240 | ||||||||||||
| psnehidleq | psana12xx |
| Simulations, preemptable, low priority | 240 | |||||||||||||
FEH | psfehq | psana13xx | FFB for XCS, CXI, MEC | Current experiment on FFB | 40 | 240 | ||||||||||||
| psfehidleq | psana13xx |
| Simulations, preemptable, low priority | 240 | |||||||||||||
| NEH | psanacsq | psanacs001-048 and psanacs065-128 | ALL | CPU intensive, limited data throughput | 1 | 1792 | psanacsidleq | psanacs001-048 | Simulations, preemptable, low priority | 768 |
Submitting Batch Jobs
LSF (Load Sharing Facility) is the job scheduler used at SLAC to execute user batch jobs on the various batch farms. LSF commands can be run from a number of SLAC servers, but best to use the interactive psana farm. Login first to pslogin and then to psana. From there you can submit a job with the following command:
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