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Add guc log_lock_waits to 7.x docs #81

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Add guc log_lock_waits to 7.x docs #81

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10 changes: 10 additions & 0 deletions docs/docs/7x/ref_guide/config_params/guc-list.md
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Expand Up @@ -2541,6 +2541,16 @@ By default, connection log messages only show the IP address of the connecting h
| ----------- | ------- | --------------------------- |
| Boolean | off | coordinator, system, reload |

<a id="log_lock_waits"></a>

## log_lock_waits

Controls whether a log message is produced when a session waits longer than [deadlock_timeout](#deadlock_timeout) to acquire a lock. Enabling this parameter is useful for determining if lock waits are causing performance problems. Only superusers and users with the appropriate `SET` privilege can change this setting.

| Value Range | Default | Set Classifications |
| ----------- | ------- | ---------------------------------------- |
| Boolean | off | coordinator, session, reload, superuser |

<a id="log_min_duration_statement"></a>

## log_min_duration_statement
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