RE: TDE: Benchmarking WAL encryption approaches

From: "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>
To: 'Zsolt Parragi' <zsolt(dot)parragi(at)percona(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: RE: TDE: Benchmarking WAL encryption approaches
Date: 2026-07-17 13:30:06
Message-ID: OS9PR01MB12149CD261C57F565290A1DB3F5C62@OS9PR01MB12149.jpnprd01.prod.outlook.com
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Dear Zsolt,

Thanks for sharing the good benchmark!

> Please share any feedback / improvement ideas for the patches, or
> different approaches we could test, I can continue benchmarking more
> scenarios / prototypes if anybody has ideas. Unless there's a
> different conclusion, I'll proceed with sharing a first prototype of a
> TDE proposal using the per record approach in the following weeks.

You did share a benchmark result for the normal transactions, but these
approaches can also affect the recovery time and replication, right? Might be
better to do as well.

Best regards,
Hayato Kuroda
FUJITSU LIMITED

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