RE: CHGTCPA TCPRCVBUF(262144) TCPSNDBUF(262144)

" if you are on 8k, increase it :)"

That's what we did back when we went from iSeries to POWER7.



-----Original Message-----
From: Holger Scherer [mailto:hs@xxxxxxx]
Sent: Tuesday, February 11, 2020 4:06 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: CHGTCPA TCPRCVBUF(262144) TCPSNDBUF(262144)

Radio Erewan always tells us: it depends. 256k Buffers might be ok for normal use and reduce some interrupts. If you have RAM, you might consider to go up to 8MB, but the overall gain might be one or two percent. Without knowing about usage, network and remote connections, no general recommendation is a very valid recommendation.
Except for: if you are on 8k, increase it :)

-h

Am 11.02.2020 um 22:27 schrieb Kevin Bucknum <Kevin@xxxxxxxxxxxxxxxxxxx>:

IBM definitely seems to be suggesting that for AIX and Linux setups running at 1 or 10 gig.