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Re: VACUUM memory management - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: VACUUM memory management
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In response to VACUUM memory management  (Ibrar Ahmed <[email protected]>)
Responses Re: VACUUM memory management
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On 2019-Dec-09, Ibrar Ahmed wrote:

> Hi,
> 
> The memory consumption of VACUUM has some issues and could be improved.
> Some of its limitations are recorded in the comments of the “vacuumlazy.c”
> file. The current design of VACUUM memory usage is that it stores the TID
> in a fixed-size array which is allocated at the start, based upon
> maintenance_work_mem. There are three problems with that design

Did you see this thread?
https://postgr.es/m/CAGTBQpbDCaR6vv9=scXzuT8fSbckf=a3NgZdWFWZbdVugVht6Q@mail.gmail.com

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Álvaro Herrera                https://www.2ndQuadrant.com/
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