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Re: TCP_DISK_HIT = TCP_HIT - TCP_MEM_HIT ?

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sön 2006-11-12 klockan 13:30 +0100 skrev Joel CARNAT:

> so I was wondering if I was not mistaking thinking:
> 	SQUID-MIB::cacheHttpHits = LOG/TCP_HIT + LOG/TCP_MEM_HIT

Yes, and a bit more..

int
isTcpHit(log_type code)
{
    /* this should be a bitmap for better optimization */
    if (code == LOG_TCP_HIT)
        return 1;
    if (code == LOG_TCP_IMS_HIT)
        return 1;
    if (code == LOG_TCP_REFRESH_FAIL_HIT)
        return 1;
    if (code == LOG_TCP_REFRESH_HIT)
        return 1;
    if (code == LOG_TCP_NEGATIVE_HIT)
        return 1;
    if (code == LOG_TCP_MEM_HIT)
        return 1;
    if (code == LOG_TCP_OFFLINE_HIT)
        return 1;
    return 0;
}


It's a bit of an approximation as there is no exact hit/miss semantics
in HTTP caches. The cache validations lives somewhere between hit/miss.

Regards
Henrik

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