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Replace "transaction log" with "write-ahead log"

Browse Source 
This makes documentation and error messages match the renaming of "xlog"
to "wal" in APIs and file naming.
This commit is contained in:
Peter Eisentraut
2017-05-12 11:49:56 -04:00
parent 56b6ef893f
commit c1a7f64b4a
34 changed files with 157 additions and 160 deletions
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2
src/backend/access/transam/timeline.c
View File

@ -151,7 +151,7 @@ readTimeLineHistory(TimeLineID targetTLI)
if (nfields != 3)
ereport(FATAL,
(errmsg("syntax error in history file: %s", fline),
errhint("Expected a transaction log switchpoint location.")));
errhint("Expected a write-ahead log switchpoint location.")));
if (result && tli <= lasttli)
ereport(FATAL,

2
src/backend/access/transam/transam.c
View File

@ -1,7 +1,7 @@
/*-------------------------------------------------------------------------
*
* transam.c
* postgres transaction log interface routines
* postgres transaction (commit) log interface routines
*
* Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California

31
src/backend/access/transam/xlog.c
View File

@ -1,7 +1,7 @@
/*-------------------------------------------------------------------------
*
* xlog.c
* PostgreSQL transaction log manager
* PostgreSQL write-ahead log manager
*
*
* Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
@ -3532,7 +3532,7 @@ XLogFileOpen(XLogSegNo segno)
if (fd < 0)
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not open transaction log file \"%s\": %m", path)));
errmsg("could not open write-ahead log file \"%s\": %m", path)));
return fd;
}
@ -3838,7 +3838,7 @@ RemoveOldXlogFiles(XLogSegNo segno, XLogRecPtr PriorRedoPtr, XLogRecPtr endptr)
if (xldir == NULL)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not open transaction log directory \"%s\": %m",
errmsg("could not open write-ahead log directory \"%s\": %m",
XLOGDIR)));
/*
@ -3913,7 +3913,7 @@ RemoveNonParentXlogFiles(XLogRecPtr switchpoint, TimeLineID newTLI)
if (xldir == NULL)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not open transaction log directory \"%s\": %m",
errmsg("could not open write-ahead log directory \"%s\": %m",
XLOGDIR)));
/*
@ -3994,7 +3994,7 @@ RemoveXlogFile(const char *segname, XLogRecPtr PriorRedoPtr, XLogRecPtr endptr)
true, recycleSegNo, true))
{
ereport(DEBUG2,
(errmsg("recycled transaction log file \"%s\"",
(errmsg("recycled write-ahead log file \"%s\"",
segname)));
CheckpointStats.ckpt_segs_recycled++;
/* Needn't recheck that slot on future iterations */
@ -4006,7 +4006,7 @@ RemoveXlogFile(const char *segname, XLogRecPtr PriorRedoPtr, XLogRecPtr endptr)
int rc;
ereport(DEBUG2,
(errmsg("removing transaction log file \"%s\"",
(errmsg("removing write-ahead log file \"%s\"",
segname)));
#ifdef WIN32
@ -4026,7 +4026,7 @@ RemoveXlogFile(const char *segname, XLogRecPtr PriorRedoPtr, XLogRecPtr endptr)
{
ereport(LOG,
(errcode_for_file_access(),
errmsg("could not rename old transaction log file \"%s\": %m",
errmsg("could not rename old write-ahead log file \"%s\": %m",
path)));
return;
}
@ -4108,7 +4108,7 @@ CleanupBackupHistory(void)
if (xldir == NULL)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not open transaction log directory \"%s\": %m",
errmsg("could not open write-ahead log directory \"%s\": %m",
XLOGDIR)));
while ((xlde = ReadDir(xldir, XLOGDIR)) != NULL)
@ -4117,9 +4117,8 @@ CleanupBackupHistory(void)
{
if (XLogArchiveCheckDone(xlde->d_name))
{
ereport(DEBUG2,
(errmsg("removing transaction log backup history file \"%s\"",
xlde->d_name)));
elog(DEBUG2, "removing WAL backup history file \"%s\"",
xlde->d_name);
snprintf(path, sizeof(path), XLOGDIR "/%s", xlde->d_name);
unlink(path);
XLogArchiveCleanup(xlde->d_name);
@ -5074,7 +5073,7 @@ BootStrapXLOG(void)
errno = ENOSPC;
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not write bootstrap transaction log file: %m")));
errmsg("could not write bootstrap write-ahead log file: %m")));
}
pgstat_report_wait_end();
@ -5082,13 +5081,13 @@ BootStrapXLOG(void)
if (pg_fsync(openLogFile) != 0)
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not fsync bootstrap transaction log file: %m")));
errmsg("could not fsync bootstrap write-ahead log file: %m")));
pgstat_report_wait_end();
if (close(openLogFile))
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not close bootstrap transaction log file: %m")));
errmsg("could not close bootstrap write-ahead log file: %m")));
openLogFile = -1;
@ -8432,7 +8431,7 @@ LogCheckpointEnd(bool restartpoint)
average_usecs = average_sync_time - (uint64) average_secs *1000000;
elog(LOG, "%s complete: wrote %d buffers (%.1f%%); "
"%d transaction log file(s) added, %d removed, %d recycled; "
"%d WAL file(s) added, %d removed, %d recycled; "
"write=%ld.%03d s, sync=%ld.%03d s, total=%ld.%03d s; "
"sync files=%d, longest=%ld.%03d s, average=%ld.%03d s; "
"distance=%d kB, estimate=%d kB",
@ -8842,7 +8841,7 @@ CreateCheckPoint(int flags)
*/
if (shutdown && checkPoint.redo != ProcLastRecPtr)
ereport(PANIC,
(errmsg("concurrent transaction log activity while database system is shutting down")));
(errmsg("concurrent write-ahead log activity while database system is shutting down")));
/*
* Remember the prior checkpoint's redo pointer, used later to determine

2
src/backend/access/transam/xlogfuncs.c
View File

@ -2,7 +2,7 @@
*
* xlogfuncs.c
*
* PostgreSQL transaction log manager user interface functions
* PostgreSQL write-ahead log manager user interface functions
*
* This file contains WAL control and information functions.
*

2
src/backend/access/transam/xlogutils.c
View File

@ -2,7 +2,7 @@
*
* xlogutils.c
*
* PostgreSQL transaction log manager utility routines
* PostgreSQL write-ahead log manager utility routines
*
* This file contains support routines that are used by XLOG replay functions.
* None of this code is used during normal system operation.

5
src/backend/postmaster/checkpointer.c
View File

@ -626,9 +626,8 @@ CheckArchiveTimeout(void)
* assume nothing happened.
*/
if ((switchpoint % XLogSegSize) != 0)
ereport(DEBUG1,
(errmsg("transaction log switch forced (archive_timeout=%d)",
XLogArchiveTimeout)));
elog(DEBUG1, "write-ahead log switch forced (archive_timeout=%d)",
XLogArchiveTimeout);
}
/*

5
src/backend/postmaster/pgarch.c
View File

@ -482,7 +482,7 @@ pgarch_ArchiverCopyLoop(void)
if (++failures >= NUM_ARCHIVE_RETRIES)
{
ereport(WARNING,
(errmsg("archiving transaction log file \"%s\" failed too many times, will try again later",
(errmsg("archiving write-ahead log file \"%s\" failed too many times, will try again later",
xlog)));
return; /* give up archiving for now */
}
@ -628,8 +628,7 @@ pgarch_archiveXlog(char *xlog)
return false;
}
ereport(DEBUG1,
(errmsg("archived transaction log file \"%s\"", xlog)));
elog(DEBUG1, "archived write-ahead log file \"%s\"", xlog);
snprintf(activitymsg, sizeof(activitymsg), "last was %s", xlog);
set_ps_display(activitymsg, false);

2
src/backend/postmaster/postmaster.c
View File

@ -5036,7 +5036,7 @@ sigusr1_handler(SIGNAL_ARGS)
{
/*
* Send SIGUSR1 to archiver process, to wake it up and begin archiving
* next transaction log file.
* next WAL file.
*/
signal_child(PgArchPID, SIGUSR1);
}

18
src/bin/initdb/initdb.c
View File

@ -563,19 +563,19 @@ exit_nicely(void)
if (made_new_xlogdir)
{
fprintf(stderr, _("%s: removing transaction log directory \"%s\"\n"),
fprintf(stderr, _("%s: removing WAL directory \"%s\"\n"),
progname, xlog_dir);
if (!rmtree(xlog_dir, true))
fprintf(stderr, _("%s: failed to remove transaction log directory\n"),
fprintf(stderr, _("%s: failed to remove WAL directory\n"),
progname);
}
else if (found_existing_xlogdir)
{
fprintf(stderr,
_("%s: removing contents of transaction log directory \"%s\"\n"),
_("%s: removing contents of WAL directory \"%s\"\n"),
progname, xlog_dir);
if (!rmtree(xlog_dir, false))
fprintf(stderr, _("%s: failed to remove contents of transaction log directory\n"),
fprintf(stderr, _("%s: failed to remove contents of WAL directory\n"),
progname);
}
/* otherwise died during startup, do nothing! */
@ -589,7 +589,7 @@ exit_nicely(void)
if (made_new_xlogdir || found_existing_xlogdir)
fprintf(stderr,
_("%s: transaction log directory \"%s\" not removed at user's request\n"),
_("%s: WAL directory \"%s\" not removed at user's request\n"),
progname, xlog_dir);
}
@ -2704,7 +2704,7 @@ create_data_directory(void)
}
/* Create transaction log directory, and symlink if required */
/* Create WAL directory, and symlink if required */
void
create_xlog_or_symlink(void)
{
@ -2721,7 +2721,7 @@ create_xlog_or_symlink(void)
canonicalize_path(xlog_dir);
if (!is_absolute_path(xlog_dir))
{
fprintf(stderr, _("%s: transaction log directory location must be an absolute path\n"), progname);
fprintf(stderr, _("%s: WAL directory location must be an absolute path\n"), progname);
exit_nicely();
}
@ -2775,8 +2775,8 @@ create_xlog_or_symlink(void)
warn_on_mount_point(ret);
else
fprintf(stderr,
_("If you want to store the transaction log there, either\n"
"remove or empty the directory \"%s\".\n"),
_("If you want to store the WAL there, either remove or empty the directory\n"
"\"%s\".\n"),
xlog_dir);
exit_nicely();

36
src/bin/pg_basebackup/pg_basebackup.c
View File

@ -174,19 +174,19 @@ cleanup_directories_atexit(void)
if (made_new_xlogdir)
{
fprintf(stderr, _("%s: removing transaction log directory \"%s\"\n"),
fprintf(stderr, _("%s: removing WAL directory \"%s\"\n"),
progname, xlog_dir);
if (!rmtree(xlog_dir, true))
fprintf(stderr, _("%s: failed to remove transaction log directory\n"),
fprintf(stderr, _("%s: failed to remove WAL directory\n"),
progname);
}
else if (found_existing_xlogdir)
{
fprintf(stderr,
_("%s: removing contents of transaction log directory \"%s\"\n"),
_("%s: removing contents of WAL directory \"%s\"\n"),
progname, xlog_dir);
if (!rmtree(xlog_dir, false))
fprintf(stderr, _("%s: failed to remove contents of transaction log directory\n"),
fprintf(stderr, _("%s: failed to remove contents of WAL directory\n"),
progname);
}
}
@ -199,7 +199,7 @@ cleanup_directories_atexit(void)
if (made_new_xlogdir || found_existing_xlogdir)
fprintf(stderr,
_("%s: transaction log directory \"%s\" not removed at user's request\n"),
_("%s: WAL directory \"%s\" not removed at user's request\n"),
progname, xlog_dir);
}
@ -341,7 +341,7 @@ usage(void)
" relocate tablespace in OLDDIR to NEWDIR\n"));
printf(_(" -X, --wal-method=none|fetch|stream\n"
" include required WAL files with specified method\n"));
printf(_(" --waldir=WALDIR location for the transaction log directory\n"));
printf(_(" --waldir=WALDIR location for the write-ahead log directory\n"));
printf(_(" -z, --gzip compress tar output\n"));
printf(_(" -Z, --compress=0-9 compress tar output with given compression level\n"));
printf(_("\nGeneral options:\n"));
@ -414,7 +414,7 @@ reached_end_position(XLogRecPtr segendpos, uint32 timeline,
if (sscanf(xlogend, "%X/%X", &hi, &lo) != 2)
{
fprintf(stderr,
_("%s: could not parse transaction log location \"%s\"\n"),
_("%s: could not parse write-ahead log location \"%s\"\n"),
progname, xlogend);
exit(1);
}
@ -549,7 +549,7 @@ StartLogStreamer(char *startpos, uint32 timeline, char *sysidentifier)
if (sscanf(startpos, "%X/%X", &hi, &lo) != 2)
{
fprintf(stderr,
_("%s: could not parse transaction log location \"%s\"\n"),
_("%s: could not parse write-ahead log location \"%s\"\n"),
progname, startpos);
disconnect_and_exit(1);
}
@ -1404,7 +1404,7 @@ ReceiveAndUnpackTarFile(PGconn *conn, PGresult *res, int rownum)
/*
* When streaming WAL, pg_wal (or pg_xlog for pre-9.6
* clusters) will have been created by the wal receiver
* process. Also, when transaction log directory location
* process. Also, when the WAL directory location
* was specified, pg_wal (or pg_xlog) has already been
* created as a symbolic link before starting the actual
* backup. So just ignore creation failures on related
@ -1817,7 +1817,7 @@ BaseBackup(void)
MemSet(xlogend, 0, sizeof(xlogend));
if (verbose && includewal != NO_WAL)
fprintf(stderr, _("%s: transaction log start point: %s on timeline %u\n"),
fprintf(stderr, _("%s: write-ahead log start point: %s on timeline %u\n"),
progname, xlogstart, starttli);
/*
@ -1907,20 +1907,20 @@ BaseBackup(void)
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr,
_("%s: could not get transaction log end position from server: %s"),
_("%s: could not get write-ahead log end position from server: %s"),
progname, PQerrorMessage(conn));
disconnect_and_exit(1);
}
if (PQntuples(res) != 1)
{
fprintf(stderr,
_("%s: no transaction log end position returned from server\n"),
_("%s: no write-ahead log end position returned from server\n"),
progname);
disconnect_and_exit(1);
}
strlcpy(xlogend, PQgetvalue(res, 0, 0), sizeof(xlogend));
if (verbose && includewal != NO_WAL)
fprintf(stderr, _("%s: transaction log end point: %s\n"), progname, xlogend);
fprintf(stderr, _("%s: write-ahead log end point: %s\n"), progname, xlogend);
PQclear(res);
res = PQgetResult(conn);
@ -1998,7 +1998,7 @@ BaseBackup(void)
if (sscanf(xlogend, "%X/%X", &hi, &lo) != 2)
{
fprintf(stderr,
_("%s: could not parse transaction log location \"%s\"\n"),
_("%s: could not parse write-ahead log location \"%s\"\n"),
progname, xlogend);
disconnect_and_exit(1);
}
@ -2312,7 +2312,7 @@ main(int argc, char **argv)
if (format == 't' && includewal == STREAM_WAL && strcmp(basedir, "-") == 0)
{
fprintf(stderr,
_("%s: cannot stream transaction logs in tar mode to stdout\n"),
_("%s: cannot stream write-ahead logs in tar mode to stdout\n"),
progname);
fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
progname);
@ -2348,7 +2348,7 @@ main(int argc, char **argv)
if (format != 'p')
{
fprintf(stderr,
_("%s: transaction log directory location can only be specified in plain mode\n"),
_("%s: WAL directory location can only be specified in plain mode\n"),
progname);
fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
progname);
@ -2359,7 +2359,7 @@ main(int argc, char **argv)
canonicalize_path(xlog_dir);
if (!is_absolute_path(xlog_dir))
{
fprintf(stderr, _("%s: transaction log directory location must be "
fprintf(stderr, _("%s: WAL directory location must be "
"an absolute path\n"), progname);
fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
progname);
@ -2393,7 +2393,7 @@ main(int argc, char **argv)
exit(1);
}
/* Create transaction log symlink, if required */
/* Create pg_wal symlink, if required */
if (strcmp(xlog_dir, "") != 0)
{
char *linkloc;

8
src/bin/pg_basebackup/pg_receivewal.c
View File

@ -1,6 +1,6 @@
/*-------------------------------------------------------------------------
*
* pg_receivewal.c - receive streaming transaction log data and write it
* pg_receivewal.c - receive streaming WAL data and write it
* to a local file.
*
* Author: Magnus Hagander <magnus@hagander.net>
@ -71,18 +71,18 @@ static bool stop_streaming(XLogRecPtr segendpos, uint32 timeline,
static void
usage(void)
{
printf(_("%s receives PostgreSQL streaming transaction logs.\n\n"),
printf(_("%s receives PostgreSQL streaming write-ahead logs.\n\n"),
progname);
printf(_("Usage:\n"));
printf(_(" %s [OPTION]...\n"), progname);
printf(_("\nOptions:\n"));
printf(_(" -D, --directory=DIR receive transaction log files into this directory\n"));
printf(_(" -D, --directory=DIR receive write-ahead log files into this directory\n"));
printf(_(" --if-not-exists do not error if slot already exists when creating a slot\n"));
printf(_(" -n, --no-loop do not loop on connection lost\n"));
printf(_(" -s, --status-interval=SECS\n"
" time between status packets sent to server (default: %d)\n"), (standby_message_timeout / 1000));
printf(_(" -S, --slot=SLOTNAME replication slot to use\n"));
printf(_(" --synchronous flush transaction log immediately after writing\n"));
printf(_(" --synchronous flush write-ahead log immediately after writing\n"));
printf(_(" -v, --verbose output verbose messages\n"));
printf(_(" -V, --version output version information, then exit\n"));
printf(_(" -Z, --compress=0-9 compress logs with given compression level\n"));

14
src/bin/pg_basebackup/receivelog.c
View File

@ -1,6 +1,6 @@
/*-------------------------------------------------------------------------
*
* receivelog.c - receive transaction log files using the streaming
* receivelog.c - receive WAL files using the streaming
* replication protocol.
*
* Author: Magnus Hagander <magnus@hagander.net>
@ -116,7 +116,7 @@ open_walfile(StreamCtl *stream, XLogRecPtr startpoint)
if (size < 0)
{
fprintf(stderr,
_("%s: could not get size of transaction log file \"%s\": %s\n"),
_("%s: could not get size of write-ahead log file \"%s\": %s\n"),
progname, fn, stream->walmethod->getlasterror());
return false;
}
@ -127,7 +127,7 @@ open_walfile(StreamCtl *stream, XLogRecPtr startpoint)
if (f == NULL)
{
fprintf(stderr,
_("%s: could not open existing transaction log file \"%s\": %s\n"),
_("%s: could not open existing write-ahead log file \"%s\": %s\n"),
progname, fn, stream->walmethod->getlasterror());
return false;
}
@ -136,7 +136,7 @@ open_walfile(StreamCtl *stream, XLogRecPtr startpoint)
if (stream->walmethod->sync(f) != 0)
{
fprintf(stderr,
_("%s: could not sync existing transaction log file \"%s\": %s\n"),
_("%s: could not sync existing write-ahead log file \"%s\": %s\n"),
progname, fn, stream->walmethod->getlasterror());
stream->walmethod->close(f, CLOSE_UNLINK);
return false;
@ -151,7 +151,7 @@ open_walfile(StreamCtl *stream, XLogRecPtr startpoint)
if (errno == 0)
errno = ENOSPC;
fprintf(stderr,
_("%s: transaction log file \"%s\" has %d bytes, should be 0 or %d\n"),
_("%s: write-ahead log file \"%s\" has %d bytes, should be 0 or %d\n"),
progname, fn, (int) size, XLogSegSize);
return false;
}
@ -164,7 +164,7 @@ open_walfile(StreamCtl *stream, XLogRecPtr startpoint)
if (f == NULL)
{
fprintf(stderr,
_("%s: could not open transaction log file \"%s\": %s\n"),
_("%s: could not open write-ahead log file \"%s\": %s\n"),
progname, fn, stream->walmethod->getlasterror());
return false;
}
@ -1121,7 +1121,7 @@ ProcessXLogDataMsg(PGconn *conn, StreamCtl *stream, char *copybuf, int len,
if (xlogoff != 0)
{
fprintf(stderr,
_("%s: received transaction log record for offset %u with no file open\n"),
_("%s: received write-ahead log record for offset %u with no file open\n"),
progname, xlogoff);
return false;
}

2
src/bin/pg_basebackup/streamutil.c
View File

@ -282,7 +282,7 @@ RunIdentifySystem(PGconn *conn, char **sysid, TimeLineID *starttli,
if (sscanf(PQgetvalue(res, 0, 2), "%X/%X", &hi, &lo) != 2)
{
fprintf(stderr,
_("%s: could not parse transaction log location \"%s\"\n"),
_("%s: could not parse write-ahead log location \"%s\"\n"),
progname, PQgetvalue(res, 0, 2));
PQclear(res);

8
src/bin/pg_resetwal/pg_resetwal.c
View File

@ -434,7 +434,7 @@ main(int argc, char *argv[])
if (ControlFile.state != DB_SHUTDOWNED && !force)
{
printf(_("The database server was not shut down cleanly.\n"
"Resetting the transaction log might cause data to be lost.\n"
"Resetting the write-ahead log might cause data to be lost.\n"
"If you want to proceed anyway, use -f to force reset.\n"));
exit(1);
}
@ -447,7 +447,7 @@ main(int argc, char *argv[])
KillExistingArchiveStatus();
WriteEmptyXLOG();
printf(_("Transaction log reset\n"));
printf(_("Write-ahead log reset\n"));
return 0;
}
@ -1159,7 +1159,7 @@ WriteEmptyXLOG(void)
static void
usage(void)
{
printf(_("%s resets the PostgreSQL transaction log.\n\n"), progname);
printf(_("%s resets the PostgreSQL write-ahead log.\n\n"), progname);
printf(_("Usage:\n %s [OPTION]... DATADIR\n\n"), progname);
printf(_("Options:\n"));
printf(_(" -c XID,XID set oldest and newest transactions bearing commit timestamp\n"));
@ -1167,7 +1167,7 @@ usage(void)
printf(_(" [-D] DATADIR data directory\n"));
printf(_(" -e XIDEPOCH set next transaction ID epoch\n"));
printf(_(" -f force update to be done\n"));
printf(_(" -l XLOGFILE force minimum WAL starting location for new transaction log\n"));
printf(_(" -l WALFILE force minimum WAL starting location for new write-ahead log\n"));
printf(_(" -m MXID,MXID set next and oldest multitransaction ID\n"));
printf(_(" -n no update, just show what would be done (for testing)\n"));
printf(_(" -o OID set next OID\n"));

2
src/bin/pg_rewind/timeline.c
View File

@ -80,7 +80,7 @@ rewind_parseTimeLineHistory(char *buffer, TimeLineID targetTLI, int *nentries)
if (nfields != 3)
{
fprintf(stderr, _("syntax error in history file: %s\n"), fline);
fprintf(stderr, _("Expected a transaction log switchpoint location.\n"));
fprintf(stderr, _("Expected a write-ahead log switchpoint location.\n"));
exit(1);
}
if (entries && tli <= lasttli)

2
src/bin/pg_waldump/pg_waldump.c
View File

@ -680,7 +680,7 @@ XLogDumpDisplayStats(XLogDumpConfig *config, XLogDumpStats *stats)
static void
usage(void)
{
printf(_("%s decodes and displays PostgreSQL transaction logs for debugging.\n\n"),
printf(_("%s decodes and displays PostgreSQL write-ahead logs for debugging.\n\n"),
progname);
printf(_("Usage:\n"));
printf(_(" %s [OPTION]... [STARTSEG [ENDSEG]]\n"), progname);

2
src/include/access/xlog.h
View File

@ -1,7 +1,7 @@
/*
* xlog.h
*
* PostgreSQL transaction log manager
* PostgreSQL write-ahead log manager
*
* Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California

2
src/include/access/xlog_internal.h
View File

@ -1,7 +1,7 @@
/*
* xlog_internal.h
*
* PostgreSQL transaction log internal declarations
* PostgreSQL write-ahead log internal declarations
*
* NOTE: this file is intended to contain declarations useful for
* manipulating the XLOG files directly, but it is not supposed to be

2
src/include/access/xlogdefs.h
View File

@ -1,7 +1,7 @@
/*
* xlogdefs.h
*
* Postgres transaction log manager record pointer and
* Postgres write-ahead log manager record pointer and
* timeline number definitions
*
* Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group

6
src/test/perl/PostgresNode.pm
View File

@ -483,7 +483,7 @@ sub append_conf
=item $node->backup(backup_name)
Create a hot backup with B<pg_basebackup> in subdirectory B<backup_name> of
B<< $node->backup_dir >>, including the transaction logs. Transaction logs are
B<< $node->backup_dir >>, including the WAL. WAL files
fetched at the end of the backup, not streamed.
You'll have to configure a suitable B<max_wal_senders> on the
@ -507,7 +507,7 @@ sub backup
=item $node->backup_fs_hot(backup_name)
Create a backup with a filesystem level copy in subdirectory B<backup_name> of
B<< $node->backup_dir >>, including transaction logs.
B<< $node->backup_dir >>, including WAL.
Archiving must be enabled, as B<pg_start_backup()> and B<pg_stop_backup()> are
used. This is not checked or enforced.
@ -525,7 +525,7 @@ sub backup_fs_hot
=item $node->backup_fs_cold(backup_name)
Create a backup with a filesystem level copy in subdirectory B<backup_name> of
B<< $node->backup_dir >>, including transaction logs. The server must be
B<< $node->backup_dir >>, including WAL. The server must be
stopped as no attempt to handle concurrent writes is made.
Use B<backup> or B<backup_fs_hot> if you want to back up a running server.