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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link="#0563C1" vlink="#954F72" style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Recently we notice a strange delay from job-submitting to job-start while the partition is sure to have enough idle nodes to meet the job’s demand. To avoid interference, we use the 4-node debug partition for test, which does not have any other job to run. And the test job script is also as simple as possible:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>#!/bin/bash<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>#SBATCH --job-name=test<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>#SBATCH --partition=debug<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>#SBATCH --nodes=1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>#SBATCH --ntasks-per-node=1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>#SBATCH --cpus-per-task=1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>#SBATCH --output=%j.out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>#SBATCH --error=%j.err<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>hostname<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>sleep 1000<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>echo end<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>But after submit, this job still stay at PENDING state for about 30-60s and during the pending time sacct shows the REASON is “None”. </span><span lang=EN-US>We have also checked the slurmctld.log at server and slurmd.log at client node with debug log level. Both of them have nothing useful to figure out the pending reason. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>So is there any way to make slurm explain in detail why the job didn’t start immediately or what it was doing during the job pending time?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks.<o:p></o:p></span></p></div></body></html>