通过SLURM一次运行多个作业

时间:2018-03-15 22:23:34

标签: slurm

我有一个我正在使用的集群,它有3个节点,每个节点有110GB的RAM,每个节点上有16个核心。我希望只要指定的内存可用,就将子作业保存到节点。

我正在使用名为test_slurm.sh的这个bash脚本:

#!/bin/sh
#SBATCH --nodes=1
#SBATCH --ntasks=1
#SBATCH --cpus-per-task=1
#SBATCH --mem=10G
python test.py

因此,如果我有33个10gb作业,并且我有3个带有110gb RAM的节点,我希望能够一次运行所有33个而不是一次只运行3个,这是我当前的设置。

这是squeue的样子: enter image description here

因此,即使我有足够的记忆力,也只能同时运行三个作业。

sinfo -o "%all"返回:

    AVAIL|CPUS|TMP_DISK|FEATURES|GROUPS|SHARE|TIMELIMIT|MEMORY|HOSTNAMES|NODE_ADDR|PRIORITY|ROOT|JOB_SIZE|STATE|USER|VERSION|WEIGHT|S:C:T|NODES(A/I) |MAX_CPUS_PER_NODE |CPUS(A/I/O/T) |NODES |REASON |NODES(A/I/O/T) |GRES |TIMESTAMP |DEFAULTTIME |PREEMPT_MODE |NODELIST |CPU_LOAD |PARTITION |PARTITION |ALLOCNODES |STATE |USER |SOCKETS |CORES |THREADS
    up|16|0|(null)|all|NO|infinite|115328|parrot101|parrot101|1|no|1-infinite|alloc|Unknown|14.03|1|16:1:1|1/0 |UNLIMITED |16/0/0/16 |1 |none |1/0/0/1 |(null) |Unknown |n/a |OFF |parrot101 |0.01 |myNodes* |myNodes |all |allocated |Unknown |16 |1 |1
    up|16|0|(null)|all|NO|infinite|115328|parrot102|parrot102|1|no|1-infinite|alloc|Unknown|14.03|1|16:1:1|1/0 |UNLIMITED |16/0/0/16 |1 |none |1/0/0/1 |(null) |Unknown |n/a |OFF |parrot102 |0.14 |myNodes* |myNodes |all |allocated |Unknown |16 |1 |1
    up|16|0|(null)|all|NO|infinite|115328|parrot103|parrot103|1|no|1-infinite|alloc|Unknown|14.03|1|16:1:1|1/0 |UNLIMITED |16/0/0/16 |1 |none |1/0/0/1 |(null) |Unknown |n/a |OFF |parrot103 |0.26 |myNodes* |myNodes |all |allocated |Unknown |16 |1 |1

squeue -o "%all"

的输出

返回:

ACCOUNT|GRES|MIN_CPUS|MIN_TMP_DISK|END_TIME|FEATURES|GROUP|SHARED|JOBID|NAME|COMMENT|TIMELIMIT|MIN_MEMORY|REQ_NODES|COMMAND|PRIORITY|QOS|REASON||ST|USER|RESERVATION|WCKEY|EXC_NODES|NICE|S:C:T|JOBID |EXEC_HOST |CPUS |NODES |DEPENDENCY |ARRAY_JOB_ID |GROUP |SOCKETS_PER_NODE |CORES_PER_SOCKET |THREADS_PER_CORE |ARRAY_TASK_ID |TIME_LEFT |TIME |NODELIST |CONTIGUOUS |PARTITION |PRIORITY |NODELIST(REASON) |START_TIME |STATE |USER |SUBMIT_TIME |LICENSES |CORE_SPECWORK_DIR
    (null)|(null)|1|0|N/A|(null)|j1101|no|26609|slurm_py_submit.sh|(null)|UNLIMITED|40K||/att/gpfsfs/home/spotter5/python/slurm_py_submit.sh 1 rcp85 26|0.99998411652632|(null)|Resources||PD|spotter5|(null)|(null)||0|*:*:*|26609 |n/a |1 |1 | |26609 |61101 |* |* |* |N/A |UNLIMITED |0:00 | |0 |myNodes |4294899076 |(Resources) |2019-03-19T13:03:57 |PENDING |474609391 |2018-03-19T11:57:39 |(null) |0/att/gpfsfs/home/spotter5/python
    (null)|(null)|1|0|N/A|(null)|j1101|no|26610|slurm_py_submit.sh|(null)|UNLIMITED|40K||/att/gpfsfs/home/spotter5/python/slurm_py_submit.sh 1 rcp85 27|0.99998411629349|(null)|Resources||PD|spotter5|(null)|(null)||0|*:*:*|26610 |n/a |1 |1 | |26610 |61101 |* |* |* |N/A |UNLIMITED |0:00 | |0 |myNodes |4294899075 |(Resources) |2019-03-19T13:03:57 |PENDING |474609391 |2018-03-19T11:57:39 |(null) |0/att/gpfsfs/home/spotter5/python
    (null)|(null)|1|0|N/A|(null)|j1101|no|26611|slurm_py_submit.sh|(null)|UNLIMITED|40K||/att/gpfsfs/home/spotter5/python/slurm_py_submit.sh 1 rcp85 28|0.99998411606066|(null)|Resources||PD|spotter5|(null)|(null)||0|*:*:*|26611 |n/a |1 |1 | |26611 |61101 |* |* |* |N/A |UNLIMITED |0:00 | |0 |myNodes |4294899074 |(Resources) |2019-03-19T13:03:57 |PENDING |474609391 |2018-03-19T11:57:39 |(null) |0/att/gpfsfs/home/spotter5/python
    (null)|(null)|1|0|N/A|(null)|j1101|no|26612|slurm_py_submit.sh|(null)|UNLIMITED|40K||/att/gpfsfs/home/spotter5/python/slurm_py_submit.sh 1 rcp85 29|0.99998411582782|(null)|Resources||PD|spotter5|(null)|(null)||0|*:*:*|26612 |n/a |1 |1 | |26612 |61101 |* |* |* |N/A |UNLIMITED |0:00 | |0 |myNodes |4294899073 |(Resources) |2019-03-19T13:03:57 |PENDING |474609391 |2018-03-19T11:57:39 |(null) |0/att/gpfsfs/home/spotter5/python
    (null)|(null)|1|0|N/A|(null)|j1101|no|26613|slurm_py_submit.sh|(null)|UNLIMITED|40K||/att/gpfsfs/home/spotter5/python/slurm_py_submit.sh 1 rcp85 30|0.99998411559499|(null)|Resources||PD|spotter5|(null)|(null)||0|*:*:*|26613 |n/a |1 |1 | |26613 |61101 |* |* |* |N/A |UNLIMITED |0:00 | |0 |myNodes |4294899072 |(Resources) |2019-03-19T13:03:57 |PENDING |474609391 |2018-03-19T11:57:39 |(null) |0/att/gpfsfs/home/spotter5/python

1 个答案:

答案 0 :(得分:1)

根据您sinfo -o "%all"的输出,我可以回答为什么您的工作没有通过。

如果您查看字段CPUS(A/I/O/T)下的所有节点的输出为16/0/0/16

  • A llocated:16
  • I dle(可用于工作):0
  • O:0
  • T总计:16

即。不知何故,CPU是工作没有通过的原因,而不是你预期的内存。所有CPU似乎都由(其他)作业分配。

现在为什么......为此我们目前没有足够的信息。 squeue -o "%all"的输出会提供更多见解。