On Wed 08 Aug 2018 02:17:47 PM CEST, Leonid Bloch wrote: > On 08/08/2018 02:57 PM, Alberto Garcia wrote: >> On Wed 08 Aug 2018 01:49:08 PM CEST, Leonid Bloch wrote: >>> On 08/08/2018 02:47 PM, Alberto Garcia wrote: >>>> On Wed 08 Aug 2018 09:10:50 AM CEST, Leonid Bloch wrote: >>>>> The default cache-clean-interval is set to 30 seconds, in order to lower >>>>> the overhead of the qcow2 caches (before the default was 0, i.e. >>>>> disabled). >>>>> >>>>> Signed-off-by: Leonid Bloch <lbl...@janustech.com> >>>> >>>> Reviewed-by: Alberto Garcia <be...@igalia.com> >>>> >>>>> +#define DEFAULT_CACHE_CLEAN_INTERVAL 30 /* seconds */ >>>> >>>> I wonder if it shouldn't be a bit higher, though. Isn't 30 seconds too >>>> low for a default? >>> >>> I also had this thought. What would you suggest? >> >> I don't know, 5 minutes at least. It should discard cache entries that >> haven't been used in a while. >> >> It my opinion the default should be for saving memory in VMs that are >> mostly idle. If the VM is more or less active I wouldn't want to clean >> cache entries that are used frequently. > > How about 10 minutes?
Sounds good to me. Berto