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sys-var: increase max value for innodb_lock_wait_timeout #22212

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sys-var: increase max value for innodb_lock_wait_timeout #22212

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0512721
Increase max value for innodb_lock_wait_timeout
dveeden Dec 22, 2025
6337fa4
Update tikv-configuration-file.md
hfxsd Dec 23, 2025
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2 changes: 1 addition & 1 deletion system-variables.md
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Expand Up @@ -586,7 +586,7 @@ This variable is an alias for [`last_insert_id`](#last_insert_id).
- Applies to hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value): No
- Type: Integer
- Default value: `50`
- Range: `[1, 3600]`
- Range: `[1, 1073741824]`
- Unit: Seconds
- The lock wait timeout for pessimistic transactions (default).

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2 changes: 1 addition & 1 deletion tikv-configuration-file.md
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Expand Up @@ -2485,7 +2485,7 @@ For pessimistic transaction usage, refer to [TiDB Pessimistic Transaction Mode](

### `wait-for-lock-timeout`

- The longest time that a pessimistic transaction in TiKV waits for other transactions to release the lock. If the time is out, an error is returned to TiDB, and TiDB retries to add a lock. The lock wait timeout is set by `innodb_lock_wait_timeout`.
- The longest time that a pessimistic transaction in TiKV waits for other transactions to release the lock. If the time is out, an error is returned to TiDB, and TiDB retries to add a lock. The lock wait timeout is set by [`innodb_lock_wait_timeout`](/system-variables.md#innodb_lock_wait_timeout).
- Default value: `"1s"`
- Minimum value: `"1ms"`

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