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Commit0921554

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Disable update_process_title by default on Windows
The performance overhead of this can be significant on Windows, and mostpeople don't have the tools to view it anyway as Windows does not havenative support for process titles.Discussion: <0A3221C70F24FB45833433255569204D1F5BE3E8@G01JPEXMBYT05>Takayuki Tsunakawa
1 parentd125d25 commit0921554

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‎doc/src/sgml/config.sgml

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@@ -5430,6 +5430,8 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
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is received by the server. The process title is typically viewed
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by the <command>ps</> command,
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or in Windows by using the <application>Process Explorer</>.
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This value defaults to off on Windows platforms due to the
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platform's significant overhead for updating the process title.
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Only superusers can change this setting.
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</para>
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</listitem>

‎src/backend/utils/misc/guc.c

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@@ -1210,7 +1210,11 @@ static struct config_bool ConfigureNamesBool[] =
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gettext_noop("Enables updating of the process title every time a new SQL command is received by the server.")
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},
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&update_process_title,
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#ifdefWIN32
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false,
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#else
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true,
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#endif
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NULL,NULL,NULL
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},
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‎src/bin/initdb/initdb.c

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@@ -1292,6 +1292,12 @@ setup_config(void)
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"#effective_io_concurrency = 0");
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#endif
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#ifdefWIN32
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conflines=replace_token(conflines,
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"#update_process_title = on",
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"#update_process_title = off");
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#endif
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snprintf(path,sizeof(path),"%s/postgresql.conf",pg_data);
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writefile(path,conflines);

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