$slowfs_cache_status is almost always HIT

[runningman84]

My configuration looks like this:

    location / {
        slowfs_cache_valid 7d;
        add_header X-Cache-Status $slowfs_cache_status;
    }

The X-Cache-Status header is almost always HIT even if this is the first request for a given url. Is this a known bug?

This is my test case:

curl -I http://10.172.252.136:8081/r/t/jd/27489985056993_image146x114.jpg
HTTP/1.1 200 OK
Server: nginx
Date: Mon, 28 Oct 2013 10:53:17 GMT
Content-Type: image/jpeg
Content-Length: 3406
Last-Modified: Wed, 14 Aug 2013 00:41:35 GMT
Connection: keep-alive
X-Cache-Status: HIT
Accept-Ranges: bytes

~/slowfs: grep -r 16419733655777_image166x130.jpg *
Übereinstimmungen in Binärdatei cache/e8/c0/bce8007ecc71ec6f0c2d8c439784c0e8
~/slowfs: head -3 cache/e8/c0/bce8007ecc71ec6f0c2d8c439784c0e8 | tail -1
KEY: 10.172.252.136/r/t/jd/27489985056993_image146x114.jpg
~/slowfs: ls -la cache/e8/c0/bce8007ecc71ec6f0c2d8c439784c0e8
-rw------- 1 nginx nginx 3507 28. Okt 11:48 cache/e8/c0/bce8007ecc71ec6f0c2d8c439784c0e8

# ok lets remove the cache file

~/slowfs: rm cache/e8/c0/bce8007ecc71ec6f0c2d8c439784c0e8

# double check

~/slowfs: grep -r 16419733655777_image166x130.jpg *
... nothing found

# now the cache should be really clean?!

curl -I http://10.172.252.136:8081/r/t/jd/27489985056993_image146x114.jpg
HTTP/1.1 200 OK
Server: nginx
Date: Mon, 28 Oct 2013 10:54:29 GMT
Content-Type: image/jpeg
Content-Length: 3406
Last-Modified: Wed, 14 Aug 2013 00:41:35 GMT
Connection: keep-alive
X-Cache-Status: HIT
Accept-Ranges: bytes

# another hit but a new cache file... so this should be a MISS

~/slowfs: grep -r 16419733655777_image166x130.jpg *
Übereinstimmungen in Binärdatei cache/6a/c6/653ea58bcd99cfbb3795208f66e6c66a.
~/slowfs: ls -la cache/6a/c6/653ea58bcd99cfbb3795208f66e6c66a
-rw------- 1 nginx nginx 3168 28. Okt 11:54 cache/6a/c6/653ea58bcd99cfbb3795208f66e6c66a
~/slowfs: head -3 cache/6a/c6/653ea58bcd99cfbb3795208f66e6c66a | tail -2
KEY: 10.172.252.136/h/h/hh/16419733655777_image166x130.jpg