Re: [PATCHES] ARC Memory Usage analysis
От | Jan Wieck |
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Тема | Re: [PATCHES] ARC Memory Usage analysis |
Дата | |
Msg-id | 418399D7.6090204@Yahoo.com обсуждение исходный текст |
Ответ на | Re: [PATCHES] ARC Memory Usage analysis (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: [PATCHES] ARC Memory Usage analysis
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Список | pgsql-hackers |
On 10/26/2004 1:53 AM, Tom Lane wrote: > Greg Stark <gsstark@mit.edu> writes: >> Tom Lane <tgl@sss.pgh.pa.us> writes: >>> Another issue is what we do with the effective_cache_size value once we >>> have a number we trust. We can't readily change the size of the ARC >>> lists on the fly. > >> Huh? I thought effective_cache_size was just used as an factor the cost >> estimation equation. > > Today, that is true. Jan is speculating about using it as a parameter > of the ARC cache management algorithm ... and that worries me. If we need another config option, it's not that we are running out of possible names, is it? Jan -- #======================================================================# # It's easier to get forgiveness for being wrong than for being right. # # Let's break this rule - forgive me. # #================================================== JanWieck@Yahoo.com #
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