Re: swapping and the value of /proc/sys/vm/swappiness

[Martin J. Bligh]

>> > For HPC, maybe. For a fileserver, it might be far too little. That's the
>> > trouble ... it's all dependant on the workload. Personally, I'd prefer
>> > to get rid of manual tweakables (which are a pain in the ass in the field
>> > anyway), and try to have the kernel react to what the customer is doing.
>> 
>> Agreed.  Many of these things should be self-tunable pretty
>> easily, too...
> 
> I know this has been discussed before, but could a userspace daemon which
> autotunes the tweakables do a better job wrt. to adapting the kernel
> behaviour depending on the workload? Just like these days we have
> irqbalance instead of a in-kernel "irq balancer". It's a alternative
> worth of look at?

I really don't see any point in pushing the self-tuning of the kernel out
into userspace. What are you hoping to achieve?

M.


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