Restoration process generates 1.2 TB of WAL files.

From: Wasim Devale <wasimd60(at)gmail(dot)com>
To: pgsql-admin <pgsql-admin(at)postgresql(dot)org>, Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>
Subject: Restoration process generates 1.2 TB of WAL files.
Date: 2026-01-28 19:15:42
Message-ID: CAB5fag4n6o0=wLj6wn=fbUsHTZyOd4cZ=_soLX3FDc+N8FQJVg@mail.gmail.com
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Hi All

I am taking directory dump from postgresql 12 and restoring it on
postgresql 17 this process create 1.2TB of wals files in pg_wal directory.
Can we reduce this WAL files generation via any configuration changes?

Thanks,
Wasim

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