"ExpBan: nnn was banned"

Tollef Fog Heen tfheen at redpill-linpro.com
Wed Jul 1 02:14:23 CEST 2009

]] Martin Goldman 

| I got a complaint from a user that some percentage of his page views seem
| too slow to be coming from the cache. I brought up our home page and started
| refreshing it over and over. Sure enough, while most of the page views are
| in fact getting  cached, once every 5 or 6 times, I get a cache miss. When
| this happens, varnishlog shows something like this:
|    32 VCL_call     c recv lookup
|    32 VCL_call     c hash hash
| *   32 ExpBan       c 1607291667 was banned
| *   32 VCL_call     c miss fetch

Do you add purges every now and then?  This looks like the result of a
purge forcing an object to be removed, which then gives you a cache

Tollef Fog Heen 
Redpill Linpro -- Changing the game!
t: +47 21 54 41 73

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