[Varnish] #369: Enable serving of graced objects if backend is down

[Varnish]

#369: Enable serving of graced objects if backend is down
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 Reporter:  perbu        |        Owner:  kristian
     Type:  enhancement  |       Status:  assigned
 Priority:  normal       |    Milestone:          
Component:  varnishd     |      Version:  trunk   
 Severity:  normal       |   Resolution:          
 Keywords:               |  
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Comment (by donarae):

 Replying to [ticket:369 perbu]:
 > We would like to be able to serve graced objects if the backend health
 polling says the backend is down.
 >
 > Its not clear to me whether this should happen automatically or if it
 should be done explicitly in vcl ( if !req.backend.healthy { lookup;} ).
 >
 > It seems to be a minor job enabling this (from my limited understanding
 of the code) but it would be a huge enhancement for varnish.
 >
 > Per.
 >

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Ticket URL: <http://varnish.projects.linpro.no/ticket/369#comment:7>
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