[tor-bugs] #16424 [metrics-lib]: Support parsing of .xz compressed tarballs

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#16424: Support parsing of .xz compressed tarballs
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     Reporter:  karsten      |      Owner:  karsten
         Type:  enhancement  |     Status:  needs_revision
     Priority:  normal       |  Milestone:
    Component:  metrics-lib  |    Version:
   Resolution:               |   Keywords:
Actual Points:               |  Parent ID:
       Points:               |
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Comment (by leeroy):

 Oh, I forgot one important detail about the xz archive support. It
 requires on it's own core for optimal performance. The reads tend to
 finish before parsing it all though. Using file parsing, instead of xz
 archives, tends to be single-cpu bound because along the way metrics-lib
 blocks waiting for parse to complete. Is this intended?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16424#comment:10>
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