[squid-users] something in the logs

[Carlos Manuel Trepeu Pupo]

In the log I see this:
1323897149.888      9 10.10.10.3 TCP_MEM_HIT/200 454242 GET
http://proxy.mydomain:3128/squid-internal-periodic/store_digest -
NONE/- application/cache-digest

What it's the meaning of this ?