Slow write performance with Win 98 and Samba (fwd)
davecb at canada.sun.com
Thu Jun 21 15:45:16 GMT 2001
Kenichi Okuyama wrote:
> Before I start connecting windows machine, I run
> # sysctl -w net.inet.tcp.delayed_ack=0
George Fytikas of Sun Americas' Customer Engineering wrote:
| tcp_deferred_ack_interval was at the centre of the investigation,
| but it is "The time to wait before sending delayed ACK" in ms.
| tcp_deferred_acks_max puts a cap on delayed ack. The default
| is 8. Setting it to 1 will make our tcp conform to the "ack
| every other packet" policy suggested by rfc1122. Setting it
| to 0 will disable delayed ack totally.
This is worth trying on a Solaris Samba server to see
if setting it to 1 will make the Windows TCP
David Collier-Brown, | Always do right. This will gratify
Performance & Engineering Team | some people and astonish the rest.
Americas Customer Engineering | -- Mark Twain
(905) 415-2849 | davecb at canada.sun.com
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