Caching application/octet-stream

Michael Varun <michael.varun@xxxxxxxxxx> · Wed, 28 Sep 2016 15:47:55 +0530

Team -

Would like to know is there any specific config that we need to enable to cache MIME attachement of application/octet-stream type 

We are trying to caching docker image blobs which is of application/octet-stream  and everytime we hit the docker registry via)GET call squid throws up TCP_MISS/200  I had never got a CACHE HIT or MEM HIT for these contents. Can someone show pointers to how to succeed in cache hit 

Logs 
====
1475056789.667      0 10.0.0.160 TAG_NONE/200 0 CONNECT <docker registry>:443 - HIER_NONE/- -
1475056789.706   1633 10.0.0.160  TCP_MISS/200 1114 GET https://docker registry/v2/blobs/sha256:36e0da2b6e166c5e7b1f243e9257590d4fbd1be729773df7f3d6a779941b22d9 - FIRSTUP_PARENT/IP.xx.xx.xxapplication/octet-stream
1475056789.708      0 10.0.0.160 TAG_NONE/200 0 CONNECT <docker registry>443 - HIER_NONE/- -
1475056791.259   1545 10.0.0.160 TCP_MISS/200 1698 GET https://docker registry/v2/blobs/sha256:2a00f8fcea92b16de0de328c557da476e930aa038ccee482daf91a62de5afa33 - FIRSTUP_PARENT/IP.xx.xx.xx application/octet-stream

Configuration
=============
http_port docker registry:443 ssl-bump cert=/etc/ssl/private/docker registry.certkey=/etc/ssl/private/docker registry.key
maximum_object_size 8 GB
maximum_object_size_in_memory 102400 KB
quick_abort_min -1
cache_dir ufs /data/squid/cache/squid 204800 16 256
cache_mem 51200 MB
cache allow all
cache_peer docker registry parent 443 0 no-query originserver no-digest name=upstream ssl sslflags=DONT_VERIFY_PEER
never_direct allow all
#
acl site dstdomain /etc/mirror-dstdomain.acl
acl site1 dstdomain docker-registry.xx.xx
http_access allow site
http_access allow site1
cache_peer_access upstream allow site1
cache_peer_access upstream deny all
ssl_bump bump site1
ssl_bump splice all
sslproxy_flags DONT_VERIFY_PEER

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