Allan Sandfeld Jensen wrote:
> On Thursday 13 May 2010, Nicolas Alvarez wrote:
>> As a KDE4.3 user with 1TB of disk, I'm way more annoyed at
>> kio_http_cache_cleaner starting regularly and eating my computer's I/O
>> than the HTTP cache growing big. I can easily notice when the the cache
>> cleaner is running from the HD light, the HD noise, and the general
>> system lag.
>> 
>> There *has* to be a better way to clean an HTTP cache than to stat every
>> single file in the cache to then delete a tiny fraction of them. Someone
>> told me 4.4 improved in this area, but I don't know specifics, and remain
>> skeptical.
> 
> If stat updates the files' atime, you may get a lot better performance by
> simply mounting the relevant partition with relatime or noatime (which for
> some reason is still not default).

After some stracing: It doesn't just stat the files. It first stats, then 
actually opens the files and *reads* the first few bytes of all of them 
(where the HTTP cache information is stored).

-- 
Nicolas

(I read mailing lists through Gmane. Please don't Cc me on replies; it makes 
me get one message on my newsreader and another on email.)


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