That’s great information. So is the solution to precompile them for production, 
or to override SRSCachingInterceptor, or something else altogether?

> On 24 Oct 2019, at 11:09 pm, Cezary Biernacki <cezary...@gmail.com> wrote:
> 
> Tapestry caches compiled files in memory using SoftReference<> so it is
> possible for the garbage collector to remove them (see
> org.apache.tapestry5.internal.services.assets.SRSCachingInterceptor). In
> the development mode Tapestry also caches compilations in a temporary
> directory, but unfortunately this mechanism is disabled in the production
> mode
> (see 
> org.apache.tapestry5.internal.webresources.ResourceTransformerFactoryImpl#createCompiler).
> 
> Cezary
> 
> 
> On Thu, Oct 24, 2019 at 2:57 AM JumpStart <
> geoff.callender.jumpst...@gmail.com> wrote:
> 
>> I’m observing that after startup, and then after every 20 minutes or so -
>> actually, it seems to be quite variable - the first page after login will
>> take 20 or more seconds to be displayed. The rest of the time it is almost
>> instantaneous.
>> 
>> I’ve run a sampler over it during one of these 20+ sec periods and it
>> seems to be spending all its time in the Less compiler. The page is using
>> @Import:
>> 
>> @Import(stylesheet = { "css/client.less" })
>> public class Home extends LoggedIn {
>> 
>> I’m using tapestry-webresources-5.4.3.jar.
>> 
>> I was expecting this to be a one-time event, on first visit to the page
>> after startup. Under what circumstances would you expect it to happen more
>> than once?
>> 
>> Regards,
>> 
>> Geoff


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