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Remove trace_recovery_messages

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This GUC was intended as a debugging help in the 9.0 area when hot
standby and streaming replication were being developped, able to offer
more information at LOG level rather than DEBUGn.  There are more tools
available these days that are able to offer rather equivalent
information, like pg_waldump introduced in 9.3.  It is not obvious how
this facility is useful these days, so let's remove it.

Author: Bharath Rupireddy
Discussion: https://postgr.es/m/ZXEXEAUVFrvpquSd@paquier.xyz
This commit is contained in:
Michael Paquier
2023-12-11 11:49:02 +01:00
parent 8d7d2197f3
commit c7a3e6b46d
9 changed files with 19 additions and 97 deletions
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26
doc/src/sgml/config.sgml
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@ -11216,32 +11216,6 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'
</listitem>
</varlistentry>
<varlistentry id="guc-trace-recovery-messages" xreflabel="trace_recovery_messages">
<term><varname>trace_recovery_messages</varname> (<type>enum</type>)
<indexterm>
<primary><varname>trace_recovery_messages</varname> configuration parameter</primary>
</indexterm>
</term>
<listitem>
<para>
Enables logging of recovery-related debugging output that otherwise
would not be logged. This parameter allows the user to override the
normal setting of <xref linkend="guc-log-min-messages"/>, but only for
specific messages. This is intended for use in debugging hot standby.
Valid values are <literal>DEBUG5</literal>, <literal>DEBUG4</literal>,
<literal>DEBUG3</literal>, <literal>DEBUG2</literal>, <literal>DEBUG1</literal>, and
<literal>LOG</literal>. The default, <literal>LOG</literal>, does not affect
logging decisions at all. The other values cause recovery-related
debug messages of that priority or higher to be logged as though they
had <literal>LOG</literal> priority; for common settings of
<varname>log_min_messages</varname> this results in unconditionally sending
them to the server log.
This parameter can only be set in the <filename>postgresql.conf</filename>
file or on the server command line.
</para>
</listitem>
</varlistentry>
<varlistentry id="guc-trace-sort" xreflabel="trace_sort">
<term><varname>trace_sort</varname> (<type>boolean</type>)
<indexterm>