Saylor InnovationsSAYLOR INNOVATIONS

Home / Guides / Self-Hosting & Infra

Fix SQLite "database is locked" Errors

By

Self-Hosting & Infra intermediate 7 min read $0.01 Updated 2026-10-19

Why SQLite reports database is locked and how to fix it: WAL mode, busy_timeout, short write transactions, BEGIN IMMEDIATE, one writer connection, read-then-write upgrade deadlocks and network filesystem pitfalls.

SQLite throws SQLITE_BUSY or "database is locked" when several connections write at once. Turn on WAL, set a busy timeout, keep transactions short and stop long reads from blocking writers.

Read the full guide

The complete walkthrough is $0.01 — or free to read on the site after a quick check. AI agents can buy it directly over x402 with no account.

Open in the Knowledge Base Agent API →
#sqlite#database#concurrency#wal#debugging

Related guides