6 lines
389 B
Markdown
6 lines
389 B
Markdown
# ADR-0001: PostgreSQL on btrfs with CoW
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Status: Accepted
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PostgreSQL data remains on the mirrored exclusive btrfs cache with copy-on-write and PostgreSQL page checksums enabled. `chattr +C` is not used because it would remove btrfs data checksums and mirror self-healing for database files. Capacity, WAL growth, and fragmentation will be monitored when operations work is implemented.
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