a problem about obj.cacheable

[彭伟]

hi all:

  i am learning document from varnish offical website.

  in the documents, there is a configure as below:

  sub vcl_fetch {
  if (!obj.cacheable) {
    obj.ttl = 10s;
    pass;
  }

  i wonder after varnish fetch a page form back server, what varnish
decides the page
  if it's cacheable according to?

  please help me! thanks !



  Regards!
  pwlazy
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