ruby 35bd93b443 fix(sqlite): use BEGIN IMMEDIATE without retry loop (GH#1272) ...

The original PR added retry logic on top of BEGIN IMMEDIATE, but this caused
multi-minute hangs because:

1. Connection has busy_timeout=30s set via pragma
2. Each BEGIN IMMEDIATE waits up to 30s before returning SQLITE_BUSY
3. With 5 retries, worst case was 5 × 30s = 150+ seconds

The fix removes the retry loop since SQLite's busy_timeout already handles
retries internally. BEGIN IMMEDIATE still acquires the write lock early,
preventing deadlocks - we just let busy_timeout handle contention.

Root cause analysis in bd-9ldm.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-22 20:27:54 -08:00

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