benpope

3 ms·

1. 1.▲
   by benpope 4y ago

   This is exactly the reason for the default 10% buffer between what we tell seastar it can have, and what we request for the cgroup with K8s. In one case we saw that the kernel was unable to allocate a TCP buffer, so it decided to OOMKill Re
2. 2.▲
   by benpope 6y ago

   This should work fine. If you have any issues, please report as a bug.
3. 3.▲
   by benpope 6y ago

   The tuning isn't 100% necessary, it's there primarily for running max performance on metal, and you can pick and choose what to tune. In general it probably best to run with: --smp <n> --overprovisioned for a container with
4. 4.▲
   by benpope 6y ago

   This is not a hard requirement, but XFS is highly recommended for production.