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Aleksei Sviridkin 3b49be07fa test(e2e): give tenant workers two vCPUs
The tenant worker boots Talos and unpacks the kubelet image on a single
vCPU whose CFS quota also covers the QEMU emulator and IO threads, and
measurements on both quiet and loaded runs show the compute container
pinned at 93-98% of that one-core ceiling for the whole node-Ready
budget. The join deadline is then decided entirely by how much CPU work
the boot happens to need, and under parallel e2e load it does not fit.

Doubling the worker to u1.large raises the ceiling instead of the
weight, which measurements showed changes nothing since the workers
never lose a scheduling fight.

Assisted-By: Claude <noreply@anthropic.com>
Signed-off-by: Aleksei Sviridkin <3811295@gmail.com>
2026-08-15 15:08:31 +03:00
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