【发布时间】:2017-01-21 10:18:53
【问题描述】:
我从一个处理器(每个处理器有 32 个)请求 14 个处理器,如下所示:
#PBS -l nodes=1:ppn=14
#PBS -l walltime=12:00:00
ppn 越低,它几乎总是可以工作,但一旦我得到高于 14-ish 的数字,作业就会开始执行并立即终止。 tracejob 非常无用:
tracejob 14753.hpc2
Job: 14753.hpc2
01/21/2017 11:12:36 L Considering job to run
01/21/2017 11:12:36 L Job run
01/21/2017 11:12:36 M Resource_List.place = scatter
01/21/2017 11:12:36 M make_cpuset, vnode hpc2[0]: hv_ncpus (2) > mvi_acpus (0) (you are not expected to understand this)
01/21/2017 11:12:36 M start_exec, new_cpuset failed
01/21/2017 11:12:36 M kill_job
01/21/2017 11:12:36 M hpc2 cput= 0:00:00 mem=0kb
01/21/2017 11:12:37 M Obit sent
01/21/2017 11:12:37 M copy file request received
01/21/2017 11:12:37 M staged 2 items out over 0:00:00
01/21/2017 11:12:37 M delete job request received
01/21/2017 11:12:37 M delete job request received
01/21/2017 11:12:38 M no active tasks
01/21/2017 11:12:38 M delete job request received
我有时会成功请求更多 CPU,所以它不是完全确定的。有没有办法调试这个?
作为一个侧节点,任何请求多个节点的作业都会永远坐在队列中并且永远不会启动,我不知道这是否相关。
【问题讨论】:
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您使用的是什么资源管理器和版本?调度程序的同样问题。
标签: cluster-computing job-scheduling hpc pbs numa