Can there ever be out of sequence WAL files?

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От Bharath Rupireddy
Тема Can there ever be out of sequence WAL files?
Дата
Msg-id CALj2ACWzYg4uX-ZXcKJVLodbFNucn83MF9dBdhZbHggyHONkDw@mail.gmail.com
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Ответы Re: Can there ever be out of sequence WAL files?  (Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>)
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Hi,

Can the postgres server ever have/generate out of sequence WAL files?
For instance, 000000010000020C000000A2, 000000010000020C000000A3,
000000010000020C000000A5 and so on, missing 000000010000020C000000A4.
Manual/Accidental deletion of the WAL files can happes, but are there
any other extreme situations (like recycling, removing old WAL files
etc.) caused by the postgres server leading to missing WAL files?

What happens when postgres server finds missing WAL file during
crash/standby recovery?

Thoughts?

Regards,
Bharath Rupireddy.

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