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Re: When do vacuumed pages/tuples become available for reuse?

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On 2019-Apr-11, rihad wrote:

> Thanks! Our autovacuum_work_mem = 1GB, so this probably means any space
> would be available for reuse only at the end of the vacuum? Are there any
> downsides in decreasing it to, say, 64MB? I see only pluses )

Yes, each vacuum will take longer and will use much more I/O.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services





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