Re: [PATCH, RFC] RCU : OOM avoidance and lower latency

On Fri, 2006-01-06 at 11:17 +0100, Eric Dumazet wrote:
> I have some servers that once in a while crashes when the ip route
> cache is flushed. After
> raising /proc/sys/net/ipv4/route/secret_interval (so that *no* 
> flush is done), I got better uptime for these servers. 

Argh, where is that documented?  I have been banging my head against
this for weeks - how do I keep the kernel from flushing 4096 routes at
once in softirq context causing huge (~8-20ms) latency problems?

I tried all the route related sysctls I could find and nothing worked...

Lee

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• References:
  • [PATCH 4/6] sysctl: dont overflow the user-supplied buffer with 0
    • From: Chris Wright <[email protected]>
  • Re: [PATCH 4/6] sysctl: dont overflow the user-supplied buffer with 0
    • From: Linus Torvalds <[email protected]>
  • [PATCH, RFC] RCU : OOM avoidance and lower latency
    • From: Eric Dumazet <[email protected]>

• Prev by Date: [2.6 patch] drivers/scsi/lpfc/lpfc_scsi.c: make lpfc_get_scsi_buf() static
• Next by Date: Re: [PATCH, RFC] RCU : OOM avoidance and lower latency
• Previous by thread: Re: [PATCH, RFC] RCU : OOM avoidance and lower latency
• Next by thread: [PATCH 3/6] Insanity avoidance in /proc (CVE-2005-4605)
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]