Re: latencies due to disk writes

2007-02-27 Thread Bill Davidsen
[EMAIL PROTECTED] wrote: Hello! I'm experiencing extreme lags during disk writes. I have read somewhere (didn't save the URI, sigh) that this is actually related to bad (non-existing) write io priorities (CFQ only manages file reads). I could imagine two quick, easy and probably quite

Re: latencies due to disk writes

2007-02-27 Thread Bill Davidsen
[EMAIL PROTECTED] wrote: Hello! I'm experiencing extreme lags during disk writes. I have read somewhere (didn't save the URI, sigh) that this is actually related to bad (non-existing) write io priorities (CFQ only manages file reads). I could imagine two quick, easy and probably quite

Re: latencies due to disk writes

2007-02-26 Thread Mark Stier
> I'm experiencing extreme lags during disk writes. [...] Wacky idea: "ionice -n 7 -c 2" down the pdflush/swapd kernel threads. As I already wrote in my post, no disk IO scheduler cares for disk writes. So even CFQ is only a disk *IN* scheduler... - To unsubscribe from this list: send the line

Re: latencies due to disk writes

2007-02-26 Thread Frank Ch. Eigler
[EMAIL PROTECTED] writes: > I'm experiencing extreme lags during disk writes. [...] Wacky idea: "ionice -n 7 -c 2" down the pdflush/swapd kernel threads. - FChE - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More

Re: latencies due to disk writes

2007-02-26 Thread Frank Ch. Eigler
[EMAIL PROTECTED] writes: I'm experiencing extreme lags during disk writes. [...] Wacky idea: ionice -n 7 -c 2 down the pdflush/swapd kernel threads. - FChE - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo

Re: latencies due to disk writes

2007-02-26 Thread Mark Stier
I'm experiencing extreme lags during disk writes. [...] Wacky idea: ionice -n 7 -c 2 down the pdflush/swapd kernel threads. As I already wrote in my post, no disk IO scheduler cares for disk writes. So even CFQ is only a disk *IN* scheduler... - To unsubscribe from this list: send the line