Re: physical replication compatibilty - Mailing list pgsql-general

From David G. Johnston
Subject Re: physical replication compatibilty
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Msg-id CAKFQuwbSNVmO=HK=QgmpP2Ngc3KhUPWTz2C_w262XiVLEiDFjg@mail.gmail.com
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In response to physical replication compatibilty  (Jatinder Singh Sandhu <jitu.sandhu@gmail.com>)
List pgsql-general
On Wed, Apr 15, 2026 at 3:06 PM Jatinder Singh Sandhu <jitu.sandhu@gmail.com> wrote:
Is physical streaming replication backward compatible between these two major versions?

pg_upgrade can perform this kind of physical transfer upgrade.

Physical replication is only reliable when the source and target are basically identical in platform and software.  It cannot be expected to work between major versions.

David J.

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