[OpenAFS] AFS Performance / ZFS

Andreas Ladanyi andreas.ladanyi@kit.edu
Fri, 8 Mar 2019 08:37:36 +0100

Hi Jeffrey,
>> Hi,
>> iam testing a box with FreeNASĀ  (BSD) and ZFS. On this box i use
>> virtualized byhve guest as afs server.
>> [...]
>> Any ideas why afs speed is only about 25 MByte/s ? Maybe i have to
>> adjust another afs server parameter ?
> There are performance bottlenecks in the byhve network virtualization
> that severely impact RX throughput.  The weaknesses in the OpenAFS RX
> implementation related to flow control, congestion avoidance, and pacing
> exacerbate the throughput limitations.

Thats an important information.

Whats the experience with docker containers (instead of byhve) and OpenAFS ?