Hi 2018-07-23 22:56 GMT+03:00 Guillaume Quintard < [email protected]>:
> Hi, > > 1. You already answer that one: you get a background fetch when obj.ttl <= > 0 but obj.ttl + obj.grace > 0. > > 2. that just hasn't been implemented yet, if I'm not mistaken (that would > be the softban feature) > > -- > Guillaume Quintard > > On Mon, Jul 23, 2018 at 2:16 AM, Serhii Korobov <[email protected]> > wrote: > >> Hi developers of Varnish >> >> I read information about Varnish 4 release ( https://varnish-cache.org/li >> sts/pipermail/varnish-announce/2014-April/000696.html ) and found there >> a new feature http://prntscr.com/k8dgfk . I need an information about >> refreshing expired cache in background. >> >> As I know from developer guide, fetching new object in background thread >> is available only in Grace Mode - http://book.varnish-software >> .com/4.0/chapters/Saving_a_Request.html#grace-mode when object's ttl has >> expired but grace period is not over yet. >> >> Here are my questions: >> 1. When and how can I use background cache refreshing? >> 2. Why Grace Mode and cache invalidation via "ban" command doesn't work >> together? >> >> Thanks >> >> >> _______________________________________________ >> varnish-misc mailing list >> [email protected] >> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >> >> >
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