Thanks Jesse! I will try to upgrade the userspace to 1.9.0, the current LTS version.
With regard to flow-eviction-threshold, what is the recommended value? Is there any side-effect if we increase the threshold to its maximal, say 65535? Many thanks! Jian On Thu, Aug 22, 2013 at 4:52 AM, Jesse Gross <[email protected]> wrote: > Depending on exact source of the problem, it may still be useful to > update the userspace utilities and/or look at increasing the > flow-eviction-threshold parameter. > > On Mon, Aug 19, 2013 at 8:03 PM, Jian Qiu <[email protected]> wrote: > > Got it. > > > > If we stick to 1.4.6 kernel, is there any parameter we can tune to > mitigate > > the situation? > > > > Many thanks! > > > > Jian Qiu > > > > > > > > On Tue, Aug 20, 2013 at 9:00 AM, Jesse Gross <[email protected]> wrote: > >> > >> On Mon, Aug 19, 2013 at 4:45 PM, Jian Qiu <[email protected]> wrote: > >> > Jesse, > >> > > >> > Thanks for your quick response. > >> > > >> > Which version would you recommend upgrade to? As you know, this is our > >> > production environment, stability is the first priority. > >> > > >> > May I upgrade the userspace programs only? We might not be able to > >> > upgrade > >> > kernel module as replacing kernel module may require a server reboot > and > >> > we > >> > couldn't stop the running service on it. > >> > >> There have been fairly continuous performance improvements in newer > >> versions but by far the biggest jump is likely to be in the upcoming > >> 1.11 release. However, this will require a kernel module update to get > >> the full benefit. > > > > >
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