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From: David G. Johnston <[email protected]>
To: Benjamin Wang <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Peter J. Holzer <[email protected]>
Cc: [email protected]
Subject: Re: Bypassing Directory Ownership Check in PostgreSQL 16.6 with Secure z/OS NFS (AT-TLS)
Date: Mon, 14 Jul 2025 12:08:26 -0700
Message-ID: <CAKFQuwbg-Bmu=XHY91o=FwXtnnhm9Sx=KdW3yvGq7XaMeiX1Lw@mail.gmail.com> (raw)
In-Reply-To: <CADVOZZ5D7bR_2fcqonVc5CE6wkwDb1smzZf+V7MVspw+1NKhRQ@mail.gmail.com>
References: <CAGOe9RiRUK9K8gUbsMfg8nWDsM2Fd9py-2oe4VG1Uaggu8fQGA@mail.gmail.com>
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On Mon, Jul 14, 2025 at 12:02 PM Benjamin Wang <[email protected]>
wrote:

> I am not sure whether PostgreSQL depends on system call `fsyncdata` to
>  sync data to disk.
>

https://www.postgresql.org/docs/current/runtime-config-wal.html#GUC-WAL-SYNC-METHOD

David J.

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