Re: effective_io_concurrency

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От Ron
Тема Re: effective_io_concurrency
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Msg-id 3a5e6f9f-9dd7-1f3f-2086-36a331259ff5@gmail.com
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Ответ на effective_io_concurrency  (Wells Oliver <wells.oliver@gmail.com>)
Ответы Re: effective_io_concurrency  (Wells Oliver <wells.oliver@gmail.com>)
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On 1/19/22 11:40 AM, Wells Oliver wrote:
Hi all-- I notice in the default PG 13 settings for Postgres on RDS, effective_io_concurrency is empty, and doing a "show effective_io_concurrency" also shows an empty value-- what's the effect of this? That PG assumes 0 for the setting?

https://www.postgresql.org/docs/13/runtime-config-resource.html

"The allowed range is 1 to 1000, or zero to disable issuance of asynchronous I/O requests. Currently, this setting only affects bitmap heap scans."

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