grace?do you means this ?
Grace ΒΆ </wiki/VCL#Grace>
If the backend takes a long time to generate an object there is a risk
of a thread pile up. In order to prevent this you can enable grace. This
allows varnish to serve an expired version of the object while a fresh
object is being generated by the backend.
how can it have the prefetch function ??
? 2009-11-27 16:59, Tollef Fog Heen ??:
]] ll
| so,is there any ways to set the varnish to fetch the cache and flash it
| automatic ? I have a webserver,it has so many pages ,I want to varnish
| can fetch all pages one time and keep it a long time .and after the
| ttl,it can flash it automatic .Is it some ways to accomplish this ?
No, it's not something we support. We considered it for a while, but
decided against it in the end. You might want to look at grace which
does solve approximately the same problem most people are trying to
solve with prefetch.
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