Bug 29101 - ability to turn off delayed TCP ACKs
ability to turn off delayed TCP ACKs
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i386 Linux
medium Severity medium
: ---
: ---
Assigned To: David Miller
Brock Organ
: FutureFeature
Depends On:
  Show dependency treegraph
Reported: 2001-02-23 12:48 EST by Alexander L. Belikoff
Modified: 2007-04-18 12:31 EDT (History)
0 users

See Also:
Fixed In Version:
Doc Type: Enhancement
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2001-02-23 15:41:34 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)

  None (edit)
Description Alexander L. Belikoff 2001-02-23 12:48:06 EST
From Bugzilla Helper:
User-Agent: Mozilla/4.76 [en] (X11; U; Linux 2.2.17-14smp i686; Nav)

It'd be extremely useful to have the kernel patched to allow disabling
delayed ACKs.
AFAIK there was at least one patch for 2.2 made by Andrea Arcangeli. That
one introduced a proc file /proc/sys/net/ipv4/tcp_disable_delacks for
controlling it.

On certain connections, "fast" ACKs allow to boost the performance
dramatically. For example, I'm dealing w/ the case where a connection w/
delayed ACKs gives a 0.7 sec. request turnaround time, whereas without
delayed ACKs the time drops to 0.2 sec.

Reproducible: Always
Steps to Reproduce:
1. n/a
Comment 1 Arjan van de Ven 2001-03-21 12:41:06 EST
Not for the next release

Note You need to log in before you can comment on or make changes to this bug.