How to check if a file is being delivered from SUSE Manager Proxy Squid Cache

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Environment

SUSE Manager Proxy 4.3

SUSE Manager Proxy 5.1

Situation

A system admin wishes to verify whether the SUSE Manager Proxy Squid Cache delivered a file or if the file is not present in the Cache.

Resolution

The /var/log/squid/access.log can be checked to monitor the status of requested files. The three main statuses are:

TCP_MISS: The file is not in the Squid cache and must be retrieved from the SUSE Manager Server or SUSE Manager Proxy.
TCP_MEM_HIT: The file is being delivered from the Squid memory cache.
TCP_HIT: The file is being delivered from the Squid cache.

The following are examples of the statuses mentioned above:

1737544214.503   3448 127.0.0.1 TCP_MISS/200 118837937 GET http://*****/kernel-default-6.4.0-150600.23.17.1.x86_64.rpm - HIER_DIRECT/IP.IP.IP.IP application/octet-stream

1737544242.855   2600 127.0.0.1 TCP_HIT/200 118837639 GET http://*****/kernel-default-6.4.0-150600.23.17.1.x86_64.rpm - HIER_NONE/- application/octet-stream

1737544272.354      1 127.0.0.1 TCP_MEM_HIT/200 110097 GET http://*****/aaa_base-84.87+git20180409.04c9dae-150300.10.23.1.x86_64.rpm - HIER_NONE/- application/octet-stream

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