Varnishlog. Get entries by XID

[Danila Vershinin]

Thanks much, Geoff.

Best Regards,
Danila

> On 10 Apr 2017, at 16:36, Geoff Simmons <geoff at uplex.de> wrote:
> 
> On 04/10/2017 03:18 PM, Danila Vershinin wrote:
>> 
>> Say I have stumbled upon a "Backend Fetch Failed” page and that
>> gives me an XID.
>> 
>> How do I easily query varnishlog for corresponding client and
>> backend requests?
>> 
>> varnishlog -q “XID = 12345” doesn’t work
> 
> It can be done you're running Varnish 5.1:
> 
> https://www.varnish-cache.org/docs/5.1/whats-new/changes-5.1.html#vxid-in-vsl-queries
> 
> The left-hand side is named 'vxid', and remember to use '==' as the
> comparison operator ('=' is an error):
> 
> $ varnishlog -q “vxid == 12345”
> 
> In versions prior to 5.1 you can use the X-Varnish header:
> 
> # client side
> varnishlog -d -q 'RespHeader:X-Varnish[1] == 12345'
> 
> # backend side
> varnishlog -d -q 'BereqHeader:X-Varnish == 12345'
> 
> 
> HTH,
> Geoff
> -- 
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