Re: [sip-clf] [sip-ops] [dispatch] SIP-CLF: Results on ASCII vs. binary representation
Adam Roach <adam@nostrum.com> Tue, 05 May 2009 05:36 UTC
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Date: Tue, 05 May 2009 00:38:09 -0500
From: Adam Roach <adam@nostrum.com>
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To: Dean Willis <dean.willis@softarmor.com>
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Cc: "sip-clf@ietf.org" <sip-clf@ietf.org>, Tom Taylor <tom.taylor@rogers.com>, Hadriel Kaplan <HKaplan@acmepacket.com>
Subject: Re: [sip-clf] [sip-ops] [dispatch] SIP-CLF: Results on ASCII vs. binary representation
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On 05/04/2009 08:44 PM, Dean Willis wrote: > > On May 4, 2009, at 2:58 PM, Adam Roach wrote: > >> Dean Willis wrote: >>> Right. In my experience, binary offers only marginal performance >>> over structured ASCII. >> >> I'll correct this slightly: binary offers only marginal performance >> over *properly* structured ASCII. I argue that the Apache log format >> doesn't qualify for this description. (I say this after having to >> deal with processing relatively large Apache logs, and suffering from >> the vast quantities of time such processing takes). >> >> I'm okay with Tom's suggestion to add ASCII length (and tag?) fields >> to the text format. If people want to take it that direction, I could >> re-cast my proposed format so it contains fixed-length ASCII number >> representations for pointers, lengths, and tags; and so that it >> terminates records with something like an ASCII 0x0D. > > > One could design things such that each record contains an initial > "structure" filed with a fixed-format series of indices (total > length, number of fields, lengths for each field, followed by > variable--length data fields, tab (or other reserved char) delimited > followed by a CRLF terminator (included in total-length index). This > gives us records that are fast-parseable, but still human-readable. > Yes. That is what I was proposing. Followups to the sip-clf list (not sip-ops!). /a
- Re: [sip-clf] [sip-ops] [dispatch] SIP-CLF: Resul… Adam Roach
- Re: [sip-clf] [sip-ops] [dispatch] SIP-CLF: Resul… Vijay K. Gurbani
- Re: [sip-clf] [sip-ops] [dispatch] SIP-CLF: Resul… Adam Roach