Fwd: Cache utilization?

[Lars Jørgensen]

Sorry, the default reply-option set to go to the original author got me. Here's my reply for the benefit of the list.


-- 
Lars 

> Fra: Lars Jørgensen <ITLJ at gyldendal.dk>
> Dato: 18. nov 2009 14.08.07 CET
> Til: Poul-Henning Kamp <phk at phk.freebsd.dk>
> Emne: Vedr.: Cache utilization? 
> 
> Den 18/11/2009 kl. 14.02 skrev Poul-Henning Kamp:
>>> Hi,
>>> 
>>> Obvious question but I can't find the answer anywhere: How do I
>>> know how much of my cache is utilized, i.e. is my cache file big
>>> enough?
>> 
>> You can see if it is too small, because you will get LRU kill
>> activity in varnishstat.
> 
> I have:
> 
> n_lru_nuked                 0          .   N LRU nuked objects
> n_lru_saved                 0          .   N LRU saved objects
> n_lru_moved           3692590          .   N LRU moved objects
> 
> I guess what you call "kill activity" is the same as "nuked objects"?
> 
>> There is not really a good way to see if your cache is to big, and
>> apart from diskspace, there is no disadvantage to that.
> 
> I agree, I'm only worrying if my cache is too small.
> 
> 
> -- 
> Lars