[Varnish] #537: Sticky director
Varnish
varnish-bugs at projects.linpro.no
Wed Aug 5 13:10:32 CEST 2009
#537: Sticky director
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Reporter: rts | Owner: phk
Type: defect | Status: new
Priority: low | Milestone: After Varnish 2.1
Component: varnishd | Version: trunk
Severity: normal | Resolution:
Keywords: |
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Comment (by rts):
Yes, it's for failover. I could do this in VCL, but for various
application-level reasons, we'd prefer to minimise the number of
transitions we do. So, if we stuck to B, then only fail to A when B
fails, we'd have half the number of transitions than if we were to go A-B
when A fails then straight back to A when A is available again.
However, if there's a way of having persistent variables in VCL, then even
this logic could be implemented.
--
Ticket URL: <http://varnish.projects.linpro.no/ticket/537#comment:2>
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