Ubuntu
linux package

  1. Bug #131094
  2. Comment #112

Comment 112 for bug 131094

Revision history for this message
Tobias Oetiker (tobi-oetiker) wrote : Re: [Bug 131094] Re: Heavy Disk I/O harms desktop responsiveness

Anil,

Today Anil wrote:

> It's working fine with 2.6.24-17-server. Even with udma2 selected, the responsiveness is great.
> The one difference is saw in the config of generic and server kernel that might me affecting is this
>
> CONFIG_DEFAULT_IOSCHED="cfq"
> CONFIG_DEFAULT_IOSCHED="deadline"

you can switch the ioscheduler on the fly:

echo cfq >/sys/block/sda/queue/scheduler

echo deadline >/sys/block/sda/queue/scheduler

(instead of sda use the name of your disk devices)

cheers
tobi

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Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
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