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doku:queues [2014/06/18 08:12] – created ir | doku:queues [2016/09/06 14:09] – [Node types] ir | ||
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- | ==== Queues ==== | + | ====== Queues |
- | === Standard Queue (all.q) === | + | ===== Standard Queue (all.q) |
The majority of jobs use the standard queue ''' | The majority of jobs use the standard queue ''' | ||
- | == Node types == | + | ==== Node types ==== |
All nodes are configured equivalently, | All nodes are configured equivalently, | ||
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* 8 nodes with 64 GB main memory | * 8 nodes with 64 GB main memory | ||
* 8 nodes with 128 GB main memory | * 8 nodes with 128 GB main memory | ||
- | * 2 nodes with 256 GB main memory and 64 cores (not in ''' | + | * 1 node with 512 GB main memory and 64 cores (not in ''' |
Jobs are scheduled by default to request nodes with at least 27 GB free memory. To override this default on the command line or in the job script you may specify: | Jobs are scheduled by default to request nodes with at least 27 GB free memory. To override this default on the command line or in the job script you may specify: | ||
- | * to allow scheduling on the 32 GB, 64 GB and 128 GB nodes | + | * default: allows |
- | * this is the default | + | * request |
- | * to allow scheduling on the 64 GB and 128 GB nodes | + | |
* ''' | * ''' | ||
* '''# | * '''# | ||
- | * to allow scheduling on 128 GB nodes only: | + | * to allow scheduling on 128 GB nodes, only: |
* ''' | * ''' | ||
* '''# | * '''# | ||
- | * to allow scheduling on 256 GB nodes only: | ||
- | * see below: High Memory Queue | ||
In order to avoid jobs with low memory requirements on nodes with 64 or 128 GB, priority adjustments are made in the queue. | In order to avoid jobs with low memory requirements on nodes with 64 or 128 GB, priority adjustments are made in the queue. | ||
- | === Long Queue === | + | ===== Long Queue ===== |
A queue where jobs will be allowed to run a maximum of 7 days | A queue where jobs will be allowed to run a maximum of 7 days | ||
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< | < | ||
- | === High Memory Queue === | + | ===== High Memory Queue ===== |
- | Due to higher memory requests from some users, | + | Due to higher memory requests from some users, |
- | are available in the queue ''' | + | is available in the queue ''' |
The four processors utilized are AMD Opteron 6274 with 2.2GHz and 16 cores each. | The four processors utilized are AMD Opteron 6274 with 2.2GHz and 16 cores each. | ||
These nodes show a sustained performance of about 400 GFlop/s, which compares to about four standard nodes of the VSC-2. | These nodes show a sustained performance of about 400 GFlop/s, which compares to about four standard nodes of the VSC-2. |