Re: ERROR: unrecognized parameter "autovacuum_analyze_scale_factor"
От | Alvaro Herrera |
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Тема | Re: ERROR: unrecognized parameter "autovacuum_analyze_scale_factor" |
Дата | |
Msg-id | 20190213165445.GA11775@alvherre.pgsql обсуждение исходный текст |
Ответ на | Re: ERROR: unrecognized parameter "autovacuum_analyze_scale_factor" (Mariel Cherkassky <mariel.cherkassky@gmail.com>) |
Ответы |
Re: ERROR: unrecognized parameter "autovacuum_analyze_scale_factor"
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Список | pgsql-performance |
On 2019-Feb-13, Mariel Cherkassky wrote: > To be honest, it isnt my db, but I just have access to it ... Well, I suggest you forget the password then :-) > Either way, so I need to change the vacuum_Analyze_scale/threshold for the > original table ? But the value will be too high/low for the original table. > For example if my original table has 30,000 rows and my toasted has > 100,000,000 rows. I want to analyze every 50K records in the toasted (by > the way, sounds legit ?) which is 0.05% of 100m. With this value it means > that every 0.05*30,000=1500 updated/deletes on the original table it will > run analyze on the original table which is very often... > Doesn't it seems a little bit problematic ? Autovacuum considers main table and toast table separately for vacuuming, so nothing you do to the parameters for the main table will affect the vacuuming schedule of the toast table. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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