trace_lwlocks

If on, emit information about lightweight lock usage. Lightweight locks are intended primarily to provide mutual exclusion of access to shared-memory data structures. This parameter is only available if the LOCK_DEBUG macro was defined when PostgreSQL was compiled.

English manual coverage begins with PostgreSQL 7.4. Source history and runtime observations have their own recorded version boundaries.

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boot val: Unknown
category: Developer Options
context: Unknown
doc same as: Unknown
documented: true
enumvals: Unknown
extra desc: Unknown
lang: en
max val: Unknown
metadata version: Unknown
min val: Unknown
name: trace_lwlocks
short desc: Unknown
source: english-manual
unit: Unknown
vartype: bool

Definition PG 18

If on, emit information about lightweight lock usage. Lightweight locks are intended primarily to provide mutual exclusion of access to shared-memory data structures.

This parameter is only available if the LOCK_DEBUG macro was defined when PostgreSQL was compiled.

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Complete source facts

doc html

<p>
        If on, emit information about lightweight lock usage.  Lightweight
        locks are intended primarily to provide mutual exclusion of access
        to shared-memory data structures.
       </p><p>
        This parameter is only available if the <code class="symbol">LOCK_DEBUG</code>
        macro was defined when <span class="productname">PostgreSQL</span> was
        compiled.
       </p>

documentation revision

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Source references

Original manual reference

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:f4ca2d684362e6a2f63d3659537631e49060d37bd5f59b921ca90ed3c72366ec

Text language: en · wiki-repair-20261023:f4ca2d684362e6a2f63d3659537631e49060d37bd5f59b921ca90ed3c72366ec