Hi,
Is prefetch by default enabled in varnish ? I have following in VCL . A
value of -30 seconds would mean that the object would be checked 30 seconds
before its expiry time is reached to see if its modified on backend ?
sub vcl_fetch {
set obj.grace = 30s;
if (!obj.cacheable) {
pass;
}
if (obj.http.Set-Cookie) {
pass;
}
set obj.prefetch = -30s;
deliver;
}
I see following from varnishlog . What doe that mean ?
26 VCL_info c XID 3904284923: obj.prefetch (-30) less than ttl
(-1.26414e+09), ignored.
0 VCL_call - prefetch
0 ExpPick - 3903448954 prefetch
Thank you.
-Paras
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