[MacPorts] #71711: portindex: allow thread count override via new macports.conf property

[MacPorts]

#71711: portindex: allow thread count override via new macports.conf property
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  Reporter:  mascguy      |      Owner:  (none)
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:  2.10.5
Resolution:               |   Keywords:
      Port:  portindex    |
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Comment (by mascguy):

 Replying to [comment:7 jmroot]:
 > Replying to [comment:6 mascguy]:
 > > Josh, while your update of the pool management is a nice addition, the
 9-second startup lag [due to 24 threads being spun up] is still a big
 problem.
 >
 > That cannot be the case if the thread pool is correctly starting with 1
 thread. Please show the results of the test in the ticket description with
 current master.

 Sure, I'll re-add the additional timing output, and run various scenarios.
 More to follow.

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Ticket URL: <https://trac.macports.org/ticket/71711#comment:8>
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