Two cache files with same key

[Roger Fischer]

Hello,

the key config is:

        # cache key is last part of URI
        set $cachekey '$uri';
        if ($uri ~ '([^/]+$)') { set $cachekey $1; }
        proxy_cache_key "$cachekey";

The URI includes query parameters:

/dm/2$q7zVD5pG1k6QpMe6Nz7a8uZDx78~/de4c/5433/a0db/4f70-b9f7-413f3f47f38d/18f1e750-d25d-4ad1-a518-1adad04a9740_corrected.mpd?encoding=hex

The key from the cache files are:

c/2c/ce5e89ff8bbc50ae58040855232242cc KEY: 18f1e750-d25d-4ad1-a518-1adad04a9740_corrected.mpd
d/59/a44f4cc7a098be369daac12f1aac759d KEY: 18f1e750-d25d-4ad1-a518-1adad04a9740_corrected.mpd

Roger


> On Jan 17, 2019, at 12:12 PM, Lucas Rolff <lucas at lucasrolff.com> wrote:
> 
> What key do you see and what's your cache key configured as?
> 
> On 17/01/2019, 20.39, "nginx on behalf of Roger Fischer" <nginx-bounces at nginx.org on behalf of roger at netskrt.io> wrote:
> 
>    Hello,
> 
>    I am using the nginx cache. I observed a MISS when I expected a HIT. When I look at the cache, I see the same page (file) twice in the cache, the original that I expected to HIT on, and the new one from the MISS (that should have been a HIT).
> 
>    The key, as viewed in the cache file, is exactly the same.
> 
>    What else, besides the key is considered in determining a hit or miss?
> 
>    Thanks…
> 
>    Roger
> 
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