[Haifux] some additions and eratta to today's lecture

Nadav Har'El nyh at math.technion.ac.il
Mon Mar 21 15:26:44 MSK 2011

On Tue, Mar 15, 2011, guy keren wrote about "[Haifux] some additions and eratta to today's lecture":
> 1. etzion asked about controlling the age of dirty pages before pdflush 
>    flushes them - the default value is 30 seconds, and can be seen by:
>     cat /proc/sys/vm/dirty_expire_centisecs
>     (the time there is in milli-seconds). it can be changed by echoing
> the desired time into that file, e.g. to change it to 40 seconds:
>      echo 40 > /proc/sys/vm/dirty_expire_centisecs

Would I be wrong to assume that since the file name is "centisecs", it is
indeed centisecs (1/100th of a second), neither milli-seconds nor seconds
as you wrote above?

Nadav Har'El                        |     Monday, Mar 21 2011, 15 Adar II 5771
nyh at math.technion.ac.il             |-----------------------------------------
Phone +972-523-790466, ICQ 13349191 |I considered atheism but there weren't
http://nadav.harel.org.il           |enough holidays.

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