statically with apr[-util]??


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Merge r427172 from trunk:

Add in a very simple balancer "set" concept, which allows
for members to be assigned to a particular cluster set
such that members in lower-numbered sets are checked/used
before those in higher ones.

Also bundled in this are some HTML cleanups for the balancer
manager UI. Sorry for the mixins :)

Compiles/builds clean: passes test framework as well
as more normal usage tests ;)

Reviewed by: jim
Merge r427368, r428352, r428361, r432352 from trunk:

Reset standby flags for each loop through the cluster sets


Initialization change. Move to a different format
to force resets as well as a common technique, in case
_route is updated at some point.


Update docs for proxy:

  1. Put params in abc order
  2. Add hot-standby example
  3. Add in new features that hadn't been documented yet (lbset, ...)

Reviewed by: jim


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pointed out by Ruediger


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changes to 2.2.x without breaking existing modules


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  Backport simplest change to silence VC 2005 'posix errors'.

Backports: 439639

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  Add more ignores when building under VC 2005, we create these
  binaries which have a corresponding .manifest to invoke them.

Backport: 439870


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The number of times elected as well as the i/o
of the workers is useful info to show in the
manager.

Reviewed by: jim


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Restructure the find_route_worker() function. Basically,
it should take care of knowing about usable and unusable
workers. By centralizing this logic, it will make it
easier and more streamlined to add in the forthcoming
hot-standby status workers.

Clean up some proxy macros. Avoid the use of magic
numbers, and instead use pre-defined defines. Also,
ensure that usable workers have been initialized :)

Allocate a bit for hot standbys. Adjust so that
normal "usable" workers don't count these.

Add in hot-standby balancer member. If all other members
are disabled or not-usable, ONLY THEN will the hot
standby's be used.


Reviewed by: jim


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smart enough to create modules/proxy/ajp_utils.c 


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to "create" a new file...


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that uses "working copy" instead of Arbeitskopie (more
up-to-date)

Remove rpluem's vote to allow him to revote with revised info.


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Minor nit: why make the logic more complex than it needs to
be ? :)

Reviewed by: jim


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* Close connection to backend if reading of request body fails.

PR: 40310
Submitted by: Ian Abel <ianabel mxtelecom.com>
Reviewed by: rpluem

Submitted by: rpluem
Reviewed by: jim


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* Retry worker chosen by client supplied route / redirect worker if it
  is in error state before sending "Service Temporarily Unavailable".

PR: 38962
Submitted by: Christian Boitel <cboitel lfdj.com>
Reviewed by: rpluem

Submitted by: rpluem
Reviewed by: jim


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values from wait_for_many_objects.

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want to forget this.


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These are:

   o Hot Standby
   o Cluster set
   o balancer_manager additional info
   o docs updates for above




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  backport. This fixes PR 39854. Also remove previous backport proposal for
  fixing PR 39854 and restart voting. The patch for the previous backport
  proposal is contained inside this proposal.


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