[Vagnekman-users] Unscheduled reboot of the Vagn login node (analysis1)

[Mats Kronberg]

Dear Vagn users,

A short while ago, the Vagn login node ran out of memory and had to be rebooted.

The cause was a single user running a very large Python process.

I would like to remind all users that running processes that use large
amounts of CPU or RAM is not allowed on the login node. Please
allocate an analysis node for that (using sbatch or interactive). If
an analysis node runs out of memory, only one or a few users are
affected, but when it happens on the login node, all Vagn users are
affected, including data transfers.

The login node was unavailable to users from approximately 13:20 CEST
to 13:50 CEST.

//Mats
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