[mythtv-users] thrashing hard drive

[Brad DerManouelian]

On Sep 24, 2008, at 1:51 PM, jansenj wrote:

>> You can increase the buffer in linux so it writes to disk less
>> frequently (storing it in memory until it writes to disk), but if
>> you're swapping already, it wouldn't make much sense to start using
>> *more* memory.
>
> Where is this parameter for buffer size?  I assume this is a global
> parameter then and would apply to all disks?

I was talking about using bdflush to decrease the amount of time data  
is written to the disk.

There are some performance tuning hints here:
http://www.gossamer-threads.com/lists/mythtv/users/22005#22005