9k jumbo clusters

Garrett Wollman wollman at hergotha.csail.mit.edu
Sun Jul 29 01:38:18 UTC 2018


In article <20180729011153.GD2884 at funkthat.com> jmg at funkthat.com
writes:

>And I know you know the problem is that over time memory is fragmented,
>so if suddenly you need more jumbo frames than you already have, you're
>SOL...

This problem instantly disappears if you preallocate several gigabytes
of contiguous physical memory at boot time.  And if you're doing
something network-intensive and care about performance, you probably
don't mind doing that.

-GAWollman



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