Re: [squid-users] 3.2.0.13: understand WARNING: disk-cache maximum object size is too large for mem-cache

On 10/22/2011 06:33 PM, Amos Jeffries wrote:
> On 23/10/11 10:24, David Touzeau wrote:
>> dear
>>
>> I have set a rock store to
>>
>> cache_dir rock /var/squid/squid3 2500 max-size=1024000
>>
>> Squid generate an error
>> 2011/10/22 23:20:38 kid1| WARNING: disk-cache maximum object size is too
>> large for mem-cache: 1000.00 KB> 32.00 KB
>>
>> What token can be used in order to increase the 32.00 kb value ?
>
> It is presently hard-coded in src/ipc/mem/Pages.cc maxObjectSize().
>
> It is the size of in-memory pages used to share the rock storage objects
> between processes. Thus the small default. I seem to recall you had an
> insanely high avg object size though, so your particular use case should
> be okay.
>
> Just remember that src/ipc/mem/Pages.cc is the general shared-memory
> page settings. So affects all shared caches, not just the one rock dir.

The shared memory page size should be eventually configurable, of course.

However, I doubt the fixed page size will always remain the maximum
cachable object size in shared-caching SMP setups. Eventually, Squid
will use fixed-size shared pages to store arbitrary-size objects, in
memory and on disk.

I am not aware of any active development in this area, but I am sure
somebody is working on it or will eventually work on it because caching
large files is important to many.

HTH,

Alex.
Received on Sun Oct 23 2011 - 05:33:00 MDT