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Document or reconsider SQLite synchronous=0 in production #20

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opened 2026-02-20 06:52:55 +00:00 by cal · 1 comment
cal commented 2026-02-20 06:52:55 +00:00
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`app/db_engine.py:36` — `pragmas={"synchronous": 0}` means no fsync on writes. On crash, database could be corrupted. Combined with WAL mode, this may be intentional but should be documented.

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\`app/db_engine.py:36\` — \`pragmas={"synchronous": 0}\` means no fsync on writes. On crash, database could be corrupted. Combined with WAL mode, this may be intentional but should be documented. **Priority**: medium
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cal commented 2026-03-04 01:32:38 +00:00
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PR #49 opened: #49

Added a block comment in app/db_engine.py above the SQLite pragmas explaining:

  • synchronous=0 skips fsync for dev write performance, with data-loss risk on hard crash
  • WAL journal mode partially mitigates the corruption window
  • This setting only applies in local dev; production always uses PostgreSQL
PR #49 opened: https://git.manticorum.com/cal/paper-dynasty-database/pulls/49 Added a block comment in `app/db_engine.py` above the SQLite pragmas explaining: - `synchronous=0` skips fsync for dev write performance, with data-loss risk on hard crash - WAL journal mode partially mitigates the corruption window - This setting only applies in local dev; production always uses PostgreSQL
cal closed this issue 2026-03-10 18:26:25 +00:00
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Reference: cal/paper-dynasty-database#20
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