[Varnish] #1227: Documentation of .initial default is wrong.

[Varnish]

#1227: Documentation of .initial default is wrong.
---------------------------+---------------------
 Reporter:  perplexes      |       Owner:  daghf
     Type:  documentation  |      Status:  closed
 Priority:  normal         |   Milestone:
Component:  build          |     Version:  trunk
 Severity:  normal         |  Resolution:  fixed
 Keywords:                 |
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Changes (by Dag Haavi Finstad <daghf@…>):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 (In [b7572affa9e7cc4c2d77c90c51e8bf2418ac9613]) Fixes an issue in backend
 probe initialization that causes the default
 value of .initial to equal .threshold.

 The default for .initial is now .threshold - 1, meaning that the backend
 starts up as sick and a single successful poll is required for it to be
 considered healthy.

 With the previous behaviour, a sick backend would not be considered sick
 until after the initial polls exit the polling window.

 Thanks to Colin Curtin.

 Fixes: #1227

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1227#comment:4>
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