[Varnish] #85: High number of "worker threads not created" and "overflowed work requests"

[Varnish]

#85: High number of "worker threads not created" and "overflowed work requests"
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 Reporter:  Thias     |        Owner:  phk
     Type:  defect    |       Status:  new
 Priority:  normal    |    Milestone:     
Component:  varnishd  |      Version:  1.0
 Severity:  normal    |   Resolution:     
 Keywords:            |  
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Comment (by Thias):

 Well, /var/log/messages seems to indicate that it's using the right file :
 {{{
 Feb 16 13:11:30 content07 varnishd: pclose=0
 Feb 16 13:11:30 content07 varnishd: file
 /var/lib/varnish/varnish_storage.bin
  size 536870912 bytes (131072 fs-blocks, 131072 pages)
 Feb 16 13:11:30 content07 varnishd: Using old SHMFILE
 Feb 16 13:11:30 content07 varnish: varnishd startup succeeded
 }}}
 This is a file I've pre-created with dd, and after checking, its size is
 still 512M (in case varnish would try and make it grow or something). The
 command-line parameter I'm passing at the moment is plain "-s
 file,/var/lib/varnish/varnish_storage.bin" without the size, so that it
 uses the existing file as-is, which is seems to be doing.

 Right now, I'm pushing about 90Mbps, with no problem (yet), thus here are
 the workers :
 {{{
          233         0.00         0.25 N worker threads
          331         0.00         0.36 N worker threads created
            0         0.00         0.00 N worker threads not created
 }}}

 Oh, errors started to appear now :
 {{{
          244         0.00         0.24 N worker threads
          342         0.00         0.34 N worker threads created
          434         0.00         0.43 N worker threads not created
 }}}

 I don't know how to read the varnishhist graph yet, but here it is :
 {{{
 Max 596 Scale 667 Tot: 2000



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   |||||||||||| |  # ##################  # #      ##
 +---------+---------+---------+---------+---------+---------+---------+-----
 |1e-5     |1e-4     |1e-3     |1e-2     |1e-1     |1e0      |1e1      |1e2
 }}}

-- 
Ticket URL: <http://varnish.projects.linpro.no/ticket/85>
Varnish <http://varnish.projects.linpro.no/>
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