Re: old cluster does not use data checksums but the new one does

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От Scott Ribe
Тема Re: old cluster does not use data checksums but the new one does
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Msg-id BC403CF3-6ED1-48E5-AA2A-6EDFD6B4FF47@elevated-dev.com
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Ответ на Re: old cluster does not use data checksums but the new one does  (Mariel Cherkassky <mariel.cherkassky@gmail.com>)
Ответы Re: old cluster does not use data checksums but the new one does  (Mariel Cherkassky <mariel.cherkassky@gmail.com>)
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> On May 5, 2019, at 2:42 PM, Mariel Cherkassky <mariel.cherkassky@gmail.com> wrote:
>
> in aspect of upgrade, what will be faster, pg_upgrade or dump and restore each db in the cluster ?

pg_upgrade is faster, potentially *MUCH* faster, but it does not allow you to change anything about the on-disk data
structure,and storage of checksums is such a change.

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