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With ~200 simultaneous connection apache benchmark make tcpdam hang #8

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simkim opened this issue Jul 22, 2016 · 2 comments
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With ~200 simultaneous connection apache benchmark make tcpdam hang #8

simkim opened this issue Jul 22, 2016 · 2 comments
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bug
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2016-07

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simkim commented Jul 22, 2016

  • It hangs near the end of the test
  • It never happen with a low number of simultaneous connections (ex ~20)

ab -c 200 -n 4000 -> tcpdam (open) -> jwilder/nginx-proxy
@simkim simkim added the bug label Jul 22, 2016
@simkim simkim added this to the 2016-07 milestone Jul 22, 2016
@simkim simkim changed the title With ~200 simultaneous connection apache benchmark make tcpdam hanging With ~200 simultaneous connection apache benchmark make tcpdam hang Jul 22, 2016
simkim added a commit that referenced this issue Jul 24, 2016
@simkim
Rework flushing of new connection while dam open
b639d14 
Improve #8, #5, next suspects are backlog and lack of tcp ports
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simkim commented Jul 24, 2016

nf_conntrack: table full, dropping packet

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simkim commented Aug 1, 2016

closing this issue as remaining cause are os related, so it will be fixed by #5

@simkim simkim closed this as completed Aug 1, 2016
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