[Varnish] #1753: Bakend flapping and High load

Varnish varnish-bugs at varnish-cache.org
Mon Jun 29 08:42:58 CEST 2015

#1753: Bakend flapping and High load
 Reporter:  zaterio@…  |       Owner:
     Type:  defect     |      Status:  new
 Priority:  normal     |   Milestone:  Varnish 4.0 release
Component:  build      |     Version:  trunk
 Severity:  normal     |  Resolution:
 Keywords:             |

Comment (by phk):

 First:  We did change the probing code recently, so I'm not ruling out
 that there may be bugs.

 Try doing a "backend.list -p" CLI command, that should show you which
 exact part of the probe is missing.

 From the above varnishstat I can see that b1 and b2 probe flawlessly, b3
 has some errors and vod has many errors.

 Also, varnishlog would likely contain clues.

Ticket URL: <https://www.varnish-cache.org/trac/ticket/1753#comment:1>
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