Re: [Proposal] Table-level Transparent Data Encryption (TDE) and KeyManagement Service (KMS)

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От Alvaro Herrera
Тема Re: [Proposal] Table-level Transparent Data Encryption (TDE) and KeyManagement Service (KMS)
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Msg-id 20190710201121.GA13271@alvherre.pgsql
обсуждение исходный текст
Ответ на Re: [Proposal] Table-level Transparent Data Encryption (TDE) and KeyManagement Service (KMS)  (Bruce Momjian <bruce@momjian.us>)
Ответы Re: [Proposal] Table-level Transparent Data Encryption (TDE) and KeyManagement Service (KMS)  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
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On 2019-Jul-10, Bruce Momjian wrote:

> Uh, what if a transaction modifies page 0 and page 1 of the same table
> --- don't those pages have the same LSN.

No, because WAL being a physical change log, each page gets its own
WAL record with its own LSN.

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

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