Re: [PATCH] Timestamp for a XLOG_BACKUP_END WAL-record

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От Andres Freund
Тема Re: [PATCH] Timestamp for a XLOG_BACKUP_END WAL-record
Дата
Msg-id 20180710014543.d75tedc32tknz33a@alap3.anarazel.de
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Ответ на [PATCH] Timestamp for a XLOG_BACKUP_END WAL-record  ("Andrey V. Lepikhov" <a.lepikhov@postgrespro.ru>)
Ответы Re: [PATCH] Timestamp for a XLOG_BACKUP_END WAL-record  ("Andrey V. Lepikhov" <a.lepikhov@postgrespro.ru>)
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Hi,

On 2018-07-10 06:41:32 +0500, Andrey V. Lepikhov wrote:
> This functionality is needed in practice when we have to determine a
> recovery time of specific backup.

What do you mean by "recovery time of specific backup"?


> This code developed in compatibility with WAL segments, which do not have a
> timestamp in a XLOG_BACKUP_END record.

I don't understand what "compatibility with WAL segments" could mean?
And how are WAL segments related to "XLOG_BACKUP_END record", except as
to how every WAL record is related? Are you thinking about the switch
records?

Greetings,

Andres Freund


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