Re: SEARCH enhancement

From: Alan Winston - SSRL Admin Cmptg Mgr (winston_at_SSRL.SLAC.STANFORD.EDU)
Date: 12/08/03 

Date: Mon, 08 Dec 2003 22:39:54 GMT

In article <3FD4E0AA.754A32EF@encompasserve-or-this.org>, Graham Burley <burley.not-this@encompasserve-or-this.org> writes:
>John N. wrote:
>>
>> Will this buy us a performance boost? We have an awful design problem, and
>> this could conceivably save us some serious re-design work.
>>
>> Our application generates a few huge log files throughout the day. The log
>> files grow to several hundred thousand blocks and we have several support
>> people that have to search this file hundreds of times daily. SEARCH is our
>> single biggest cpu user.
>>
>> If they could do a SEARCH/STAT and see how many records there are, and on
>> the next search, they could skip all the records they previously searched,
>> and if that would save them the IO and CPU time associated with searching
>> the same data over and over, that would be a huge benefit to us.
>>
>
>
>If you don't mind freeware take a look at my GRAB search utility
>which has an incremental mode using the /CONTEXT qualifier. This
>works by saving the RFA of the last record processed and restoring
>that file position on the next search, i.e. the next search only
>looks at records added to the file.
>
>You can find GRAB in Hunter Goatleys freeware collection at
>
> http://www.process.com/openvms/

Do you happen to know if GRAB works on CSWS log files? (TYPE/TAIL doesn't
work because they're not in a supported format.)

-- Alan 

-- 
===============================================================================
 Alan Winston --- WINSTON@SSRL.SLAC.STANFORD.EDU
 Disclaimer: I speak only for myself, not SLAC or SSRL   Phone:  650/926-3056
 Paper mail to: SSRL -- SLAC BIN 99, 2575 Sand Hill Rd, Menlo Park CA   94025
===============================================================================

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