[tor-bugs] #11787 [Tor]: Can we save huge amounts of directory bandwith with Z_NO_FLUSH?

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#11787: Can we save huge amounts of directory bandwith with Z_NO_FLUSH?
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     Reporter:  nickm   |      Owner:
         Type:  defect  |     Status:  needs_review
     Priority:  normal  |  Milestone:  Tor: 0.2.5.x-final
    Component:  Tor     |    Version:
   Resolution:          |   Keywords:  tor-relay zlib
Actual Points:          |  Parent ID:
       Points:          |
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Comment (by nickm):

 I've attached a fun script to try compressing different numbers of
 descriptors and microdescriptors with and without Z_SYNC_FLUSH.

 Preliminary results are that we should expect to save 5-7% when sending
 10-40 server descriptors, and between 12-17% when sending 10-100
 microdescriptors.  Worth doing IMO.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11787#comment:4>
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