Add GUC log_temp_files to log the use of temporary files.
Bill Moran
This commit is contained in:
Bruce Momjian
parent
1e0bf9041e
commit
be8a431881
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@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.99 2006/12/12 21:30:33 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.100 2007/01/09 21:31:14 momjian Exp $ -->
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<chapter Id="runtime-config">
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<title>Server Configuration</title>
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@ -2920,6 +2920,23 @@ SELECT * FROM parent WHERE key = 2400;
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</listitem>
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</varlistentry>
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<varlistentry id="guc-log-temp-files" xreflabel="log_temp_files">
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<term><varname>log_temp_files</varname> (<type>integer</type>)</term>
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<indexterm>
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<primary><varname>log_temp_files</> configuration parameter</primary>
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</indexterm>
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<listitem>
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<para>
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Controls whether temporary files are logged when deleted.
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A value of zero logs all temporary files, and positive
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values log only files whose size is equal or greater than
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the specified number of bytes. Temporary files can be
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created for sorts, hashes, and temporary results. The
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default is <literal>-1</> (off).
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/storage/file/fd.c,v 1.132 2007/01/05 22:19:37 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/storage/file/fd.c,v 1.133 2007/01/09 21:31:14 momjian Exp $
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*
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* NOTES:
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*
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@ -50,6 +50,7 @@
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#include "access/xact.h"
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#include "storage/fd.h"
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#include "storage/ipc.h"
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#include "utils/guc.h"
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/*
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@ -938,7 +939,8 @@ OpenTemporaryFile(bool interXact)
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void
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FileClose(File file)
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{
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Vfd *vfdP;
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Vfd *vfdP;
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struct stat filestats;
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Assert(FileIsValid(file));
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@ -968,6 +970,19 @@ FileClose(File file)
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{
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/* reset flag so that die() interrupt won't cause problems */
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vfdP->fdstate &= ~FD_TEMPORARY;
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PG_TRACE1(temp__file__cleanup, vfdP->fileName);
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if (log_temp_files >= 0)
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{
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if (stat(vfdP->fileName, &filestats) == 0)
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{
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if (filestats.st_size >= log_temp_files)
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ereport(LOG,
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(errmsg("temp file: path \"%s\" size %lu",
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vfdP->fileName, (unsigned long)filestats.st_size)));
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}
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else
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elog(LOG, "Could not stat \"%s\": %m", vfdP->fileName);
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}
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if (unlink(vfdP->fileName))
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elog(LOG, "failed to unlink \"%s\": %m",
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vfdP->fileName);
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@ -10,7 +10,7 @@
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* Written by Peter Eisentraut <peter_e@gmx.net>.
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.365 2007/01/05 22:19:46 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.366 2007/01/09 21:31:14 momjian Exp $
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*
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*--------------------------------------------------------------------
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*/
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@ -182,6 +182,7 @@ int log_min_error_statement = ERROR;
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int log_min_messages = NOTICE;
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int client_min_messages = NOTICE;
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int log_min_duration_statement = -1;
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int log_temp_files = -1;
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int num_temp_buffers = 1000;
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@ -1660,6 +1661,16 @@ static struct config_int ConfigureNamesInt[] =
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&server_version_num,
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PG_VERSION_NUM, PG_VERSION_NUM, PG_VERSION_NUM, NULL, NULL
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},
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{
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{"log_temp_files", PGC_USERSET, LOGGING_WHAT,
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gettext_noop("Log the use of temporary files larger than this size."),
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gettext_noop("Zero logs all files. The default is -1 (turning this feature off)."),
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NULL
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},
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&log_temp_files,
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-1, -1, INT_MAX, NULL, NULL
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},
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/* End-of-list marker */
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{
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@ -333,6 +333,9 @@
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#log_statement = 'none' # none, ddl, mod, all
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#log_hostname = off
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#log_temp_files = -1 # Log temporary files equal or larger
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# than the specified number of bytes.
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# -1 disables; 0 logs all temp files
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#---------------------------------------------------------------------------
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# RUNTIME STATISTICS
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@ -7,7 +7,7 @@
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* Copyright (c) 2000-2007, PostgreSQL Global Development Group
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* Written by Peter Eisentraut <peter_e@gmx.net>.
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*
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* $PostgreSQL: pgsql/src/include/utils/guc.h,v 1.77 2007/01/05 22:19:59 momjian Exp $
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* $PostgreSQL: pgsql/src/include/utils/guc.h,v 1.78 2007/01/09 21:31:17 momjian Exp $
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*--------------------------------------------------------------------
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*/
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#ifndef GUC_H
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@ -123,6 +123,7 @@ extern int log_min_error_statement;
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extern int log_min_messages;
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extern int client_min_messages;
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extern int log_min_duration_statement;
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extern int log_temp_files;
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extern int num_temp_buffers;
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