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The ns Manual (formerly ns Notes and Documentation)1 - NM Lab at ...

The ns Manual (formerly ns Notes and Documentation)1 - NM Lab at ...

The ns Manual (formerly ns Notes and Documentation)1 - NM Lab at ...

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39.9 Http trace form<strong>at</strong><strong>The</strong> trace file of Http agents are co<strong>ns</strong>tructed in a similar way as the SRM trace files. It co<strong>ns</strong>ists of multiple entries, each ofwhich occupies one line. <strong>The</strong> form<strong>at</strong> of each entry is:Time ObjectID Object Values<strong>The</strong>re are three types of objects: client (C), cache (E) <strong>and</strong> server (S). Following is a complete enumer<strong>at</strong>ion of all possibleevents <strong>and</strong> value types associ<strong>at</strong>ed with these three types of objects.Object Type Event Type ValuesE HIT 〈Prefix〉E MISS 〈Prefix〉 z 〈RequestSize〉E IMS 〈Prefix〉 z 〈Size〉 t 〈CacheEntryTime〉E REF p 〈PageID〉 s 〈ServerID〉 z 〈Size〉E UPD p 〈PageID〉 m 〈LastModifiedTime〉 z 〈PageSize〉s 〈ServerID〉E GUPD z 〈PageSize〉E SINV p 〈PageID〉 m 〈LastModTime〉 z 〈PageSize〉E GINV p 〈PageID〉 m 〈LastModTime〉E SPF p 〈PageID〉 c 〈DestCache〉E RPF p 〈PageID〉 c 〈SrcCache〉E ENT p 〈PageID〉 m 〈LastModifiedTime〉 z 〈PageSize〉s 〈ServerID〉C GET p 〈PageID〉 s 〈PageServerID〉 z 〈RequestSize〉C STA p 〈PageID〉 s 〈OrigServerID〉 l 〈StaleTime〉C RCV p 〈PageID〉 s 〈PageServerID〉 l 〈Respo<strong>ns</strong>eTime〉 z 〈PageSize〉S INV p 〈PageID〉 m 〈LastModifiedTime〉 z 〈Size〉S UPD p 〈PageID〉 m 〈LastModifiedTime〉 z 〈Size〉S SND p 〈PageID〉 m 〈LastModifiedTime〉 z 〈PageSize〉t 〈Requesttype〉S MOD p 〈PageID〉 n 〈NextModifyTime〉〈Prefix〉 is the inform<strong>at</strong>ion common to all trace entries. It includes:p 〈PageID〉 c 〈RequestClientID〉 s 〈PageServerID〉Short Explain<strong>at</strong>ion of event oper<strong>at</strong>io<strong>ns</strong>:357

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