Markus Hilger fb41537555 Increase net.core.rmem_max to 4 MB ...

This was introduced 8 years ago. Newer OSs have 4194304 as default.
Confluent shouldn't decrease the default.

RHEL 8           212992
RHEL 9          2097152
RHEL 10         2097152
Fedora 44       4194304

Ubuntu 24.04     212992
Ubuntu 26.06    4194304

SLES 15          212992
SLES 16          212992

It was changed to 4MB in upstream kernel, too:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a6d4f25888b83b8300aef28d9ee22765c1cc9b34

2026-07-15 03:26:02 +02:00

..

confluent.conf

Increase net.core.rmem_max to 4 MB

2026-07-15 03:26:02 +02:00