timestamp1679706261451A new tool to help optimize job resource requirementsby Kilian Cavalotti, Technical Lead & Architect, HPCIt’s not always easy to determine the right amount of resources to request for a computing job. Making sure that the application will have enough resources to run properly, but avoiding over-requests that would make the jobs spend too much
timestamp1677204000000SRCF is expandingby Kilian Cavalotti, Technical Lead & Architect, HPCMaintenanceIn order to bring up a new building that will increase data center capacity, a full SRCF power shutdown is planned for late June 2023. It’s expected to last about a week, and Sherlock will be unavailable during that time.
timestamp1670036242756ClusterShell on Sherlockby Kilian Cavalotti, Technical Lead & Architect, HPCSoftwareNewEver wondered how your jobs were doing while they were running? Keeping a eye on a log file is nice, but what if you could quickly gather process lists, usage metrics and other data points from all the nodes your multi-node jobs are running
timestamp1667700685989Job #1, again!by Kilian Cavalotti, Technical Lead & Architect, HPCThis is not the first time, we’ve been through this already (not so long ago, actually) but today, the Slurm job id counter was reset and went from job #67043327 back to job #1.
timestamp1635528575955Keep up to date with software updatesby Kilian Cavalotti, Technical Lead & Architect, HPCTo help users stay on top of software changes on Sherlock, we’ve recently introduced a new software updates RSS feed. It’s available from the Sherlock software list page, and you can directly add it to your RSS reader of choice. And if
timestamp1622751520986A new interactive step in Slurmby Kilian Cavalotti, Technical Lead & Architect, HPCA new version of the sh_dev tool has been released, that leverages a recently-added Slurm feature. Slurm 20.11 introduced a new“interactive step”, designed to be used with salloc to automatically launch a terminal on an allocated compute
timestamp1612549200000Tracking NFS problems down to the SFP levelby Kilian CavalottiBlogDataHardwareWhen NFS problems turn out to be... not NFS problems at all.
timestamp1605226320001Sherlock factsby Kilian CavalottiDataImprovementEver wondered how many compute nodes is Sherlock made of? Or how many users are using it? Or how many Infiniband cables link it all together? Well, wonder no more: head to the Sherlock facts page and see for yourself! > hint: there are...
timestamp1589227740001Job #1by Kilian CavalottiIf you've been submitting jobs on Sherlock over the last couple days, you probably noticed something different about your your job ids... They lost a couple digits! If you submitted a job last week, its job id was likely in the 67,000...