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Commit5988e6b

Browse files
author
Michael Paquier
committed
Remove server backup feature
In order to keep only the core of pg_rman for incremental/differentialbackup, this looks necessary and makes the code more simple. Includingserver log files in a backup could be subject to discussion as well,as for example a Postgres base backup does not include them, justbecause in this case server instance is not aware of the log files.
1 parentf9a3d79 commit5988e6b

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21 files changed

+34
-333
lines changed

21 files changed

+34
-333
lines changed

‎backup.c

Lines changed: 2 additions & 105 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
/*-------------------------------------------------------------------------
22
*
3-
* backup.c: backup DB cluster, archived WAL, serverlog.
3+
* backup.c: backup DB cluster, archived WAL
44
*
55
* Copyright (c) 2009-2013, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
66
*
@@ -42,7 +42,6 @@ static void backup_files(const char *from_root, const char *to_root,
4242
parray*files,parray*prev_files,constXLogRecPtr*lsn,boolcompress,constchar*prefix);
4343
staticparray*do_backup_database(parray*backup_list,pgBackupOptionbkupopt);
4444
staticparray*do_backup_arclog(parray*backup_list);
45-
staticparray*do_backup_srvlog(parray*backup_list);
4645
staticvoidconfirm_block_size(constchar*name,intblcksz);
4746
staticvoidpg_start_backup(constchar*label,boolsmooth,pgBackup*backup);
4847
staticvoidpg_stop_backup(pgBackup*backup);
@@ -567,100 +566,17 @@ do_backup_arclog(parray *backup_list)
567566
returnfiles;
568567
}
569568

570-
/*
571-
* Take a backup of serverlog.
572-
*/
573-
staticparray*
574-
do_backup_srvlog(parray*backup_list)
575-
{
576-
inti;
577-
parray*files;
578-
parray*prev_files=NULL;/* file list of previous database backup */
579-
charpath[MAXPGPATH];
580-
charprev_file_txt[MAXPGPATH];
581-
pgBackup*prev_backup;
582-
int64srvlog_write_bytes=0;
583-
584-
if (!current.with_serverlog)
585-
returnNULL;
586-
587-
/* Block backup operations on a standby */
588-
if (pg_is_standby())
589-
elog(ERROR_SYSTEM,_("Backup cannot run on a standby."));
590-
591-
if (verbose)
592-
{
593-
printf(_("========================================\n"));
594-
printf(_("serverlog backup start\n"));
595-
}
596-
597-
/* initialize size summary */
598-
current.srvlog_bytes=0;
599-
600-
/*
601-
* To take incremental backup, the file list of the last completed database
602-
* backup is needed.
603-
*/
604-
prev_backup=catalog_get_last_srvlog_backup(backup_list,
605-
get_current_timeline());
606-
if (verbose&&prev_backup==NULL)
607-
printf(_("no previous full backup, performing a full backup instead\n"));
608-
609-
if (prev_backup)
610-
{
611-
pgBackupGetPath(prev_backup,prev_file_txt,lengthof(prev_file_txt),
612-
SRVLOG_FILE_LIST);
613-
prev_files=dir_read_file_list(srvlog_path,prev_file_txt);
614-
}
615-
616-
/* list files with the logical path. omit SRVLOG_PATH */
617-
files=parray_new();
618-
dir_list_file(files,srvlog_path,NULL, true, false);
619-
620-
pgBackupGetPath(&current,path,lengthof(path),SRVLOG_DIR);
621-
backup_files(srvlog_path,path,files,prev_files,NULL, false,NULL);
622-
623-
/* create file list */
624-
create_file_list(files,arclog_path,SRVLOG_FILE_LIST,NULL, false);
625-
626-
/* print summary of size of backup mode files */
627-
for (i=0;i<parray_num(files);i++)
628-
{
629-
pgFile*file= (pgFile*)parray_get(files,i);
630-
if (!S_ISREG(file->mode))
631-
continue;
632-
current.srvlog_bytes+=file->read_size;
633-
if (file->write_size!=BYTES_INVALID)
634-
{
635-
current.backup_bytes+=file->write_size;
636-
srvlog_write_bytes+=file->write_size;
637-
}
638-
}
639-
640-
if (verbose)
641-
{
642-
printf(_("serverlog backup completed(read: "INT64_FORMAT" write: "INT64_FORMAT")\n"),
643-
current.srvlog_bytes,srvlog_write_bytes);
644-
printf(_("========================================\n"));
645-
}
646-
647-
returnfiles;
648-
}
649-
650569
int
651570
do_backup(pgBackupOptionbkupopt)
652571
{
653572
parray*backup_list;
654573
parray*files_database;
655574
parray*files_arclog;
656-
parray*files_srvlog;
657575
intret;
658576

659577
/* repack the necesary options */
660578
intkeep_arclog_files=bkupopt.keep_arclog_files;
661579
intkeep_arclog_days=bkupopt.keep_arclog_days;
662-
intkeep_srvlog_files=bkupopt.keep_srvlog_files;
663-
intkeep_srvlog_days=bkupopt.keep_srvlog_days;
664580
intkeep_data_generations=bkupopt.keep_data_generations;
665581
intkeep_data_days=bkupopt.keep_data_days;
666582

@@ -680,11 +596,6 @@ do_backup(pgBackupOption bkupopt)
680596
_("Required parameter not specified: ARCLOG_PATH "
681597
"(-A, --arclog-path)"));
682598

683-
/* SRVLOG_PATH is required only when backup serverlog */
684-
if (current.with_serverlog&&srvlog_path==NULL)
685-
elog(ERROR_ARGS,_("required parameter not specified: SRVLOG_PATH "
686-
"(-S, --srvlog-path)"));
687-
688599
#ifndefHAVE_LIBZ
689600
if (current.compress_data)
690601
{
@@ -727,7 +638,6 @@ do_backup(pgBackupOption bkupopt)
727638
current.end_time= (time_t)0;
728639
current.data_bytes=BYTES_INVALID;
729640
current.arclog_bytes=BYTES_INVALID;
730-
current.srvlog_bytes=BYTES_INVALID;
731641
current.backup_bytes=0;
732642
current.block_size=BLCKSZ;
733643
current.wal_block_size=XLOG_BLCKSZ;
@@ -757,9 +667,6 @@ do_backup(pgBackupOption bkupopt)
757667

758668
/* backup archived WAL */
759669
files_arclog=do_backup_arclog(backup_list);
760-
761-
/* backup serverlog */
762-
files_srvlog=do_backup_srvlog(backup_list);
763670
pgut_atexit_pop(backup_cleanup,NULL);
764671

765672
/* update backup status to DONE */
@@ -781,10 +688,6 @@ do_backup(pgBackupOption bkupopt)
781688
current.backup_mode==BACKUP_MODE_INCREMENTAL)
782689
total_read+=current.arclog_bytes;
783690

784-
/* Server logs */
785-
if (current.with_serverlog)
786-
total_read+=current.srvlog_bytes;
787-
788691
if (total_read==0)
789692
printf(_("nothing to backup\n"));
790693
else
@@ -795,13 +698,10 @@ do_backup(pgBackupOption bkupopt)
795698
}
796699

797700
/*
798-
* Delete old files (archived WAL and serverlog) after update of status.
701+
* Delete old files (archived WAL) after update of status.
799702
*/
800703
delete_old_files(arclog_path,files_arclog,keep_arclog_files,
801704
keep_arclog_days, true);
802-
if (current.with_serverlog)
803-
delete_old_files(srvlog_path,files_srvlog,keep_srvlog_files,
804-
keep_srvlog_days, false);
805705

806706
/* Delete old backup files after all backup operation. */
807707
pgBackupDelete(keep_data_generations,keep_data_days);
@@ -813,9 +713,6 @@ do_backup(pgBackupOption bkupopt)
813713
if (files_arclog)
814714
parray_walk(files_arclog,pgFileFree);
815715
parray_free(files_arclog);
816-
if (files_srvlog)
817-
parray_walk(files_srvlog,pgFileFree);
818-
parray_free(files_srvlog);
819716

820717
/*
821718
* If this backup is full backup, delete backup of online WAL.

‎catalog.c

Lines changed: 2 additions & 37 deletions
Original file line numberDiff line numberDiff line change
@@ -160,7 +160,7 @@ catalog_get_backup_list(const pgBackupRange *range)
160160
if (!IsDir(backup_path,date_dir,date_ent)||date_ent->d_name[0]=='.')
161161
continue;
162162

163-
/* skip online WAL& serverlogbackup directory */
163+
/* skip online WAL backup directory */
164164
if (strcmp(date_ent->d_name,RESTORE_WORK_DIR)==0)
165165
continue;
166166

@@ -292,38 +292,13 @@ catalog_get_last_arclog_backup(parray *backup_list, TimeLineID tli)
292292
returnNULL;
293293
}
294294

295-
/*
296-
* Find the last completed serverlog backup from the backup list
297-
* on current timeline.
298-
*/
299-
pgBackup*
300-
catalog_get_last_srvlog_backup(parray*backup_list,TimeLineIDtli)
301-
{
302-
inti;
303-
pgBackup*backup=NULL;
304-
305-
/* backup_list is sorted in order of descending ID */
306-
for (i=0;i<parray_num(backup_list);i++)
307-
{
308-
backup= (pgBackup*)parray_get(backup_list,i);
309-
310-
/* we need completed serverlog backup */
311-
if (backup->status==BACKUP_STATUS_OK&&
312-
backup->with_serverlog&&
313-
backup->tli==tli)
314-
returnbackup;
315-
}
316-
317-
returnNULL;
318-
}
319-
320295
/* create backup directory in $BACKUP_PATH */
321296
int
322297
pgBackupCreateDir(pgBackup*backup)
323298
{
324299
inti;
325300
charpath[MAXPGPATH];
326-
char*subdirs[]= {DATABASE_DIR,ARCLOG_DIR,SRVLOG_DIR,NULL };
301+
char*subdirs[]= {DATABASE_DIR,ARCLOG_DIR,NULL };
327302

328303
pgBackupGetPath(backup,path,lengthof(path),NULL);
329304
dir_create_dir(path,DIR_PERMISSION);
@@ -349,7 +324,6 @@ pgBackupWriteConfigSection(FILE *out, pgBackup *backup)
349324
fprintf(out,"# configuration\n");
350325

351326
fprintf(out,"BACKUP_MODE=%s\n",modes[backup->backup_mode]);
352-
fprintf(out,"WITH_SERVERLOG=%s\n",BOOL_TO_STR(backup->with_serverlog));
353327
fprintf(out,"COMPRESS_DATA=%s\n",BOOL_TO_STR(backup->compress_data));
354328
}
355329

@@ -390,9 +364,6 @@ pgBackupWriteResultSection(FILE *out, pgBackup *backup)
390364
if (backup->arclog_bytes!=BYTES_INVALID)
391365
fprintf(out,"ARCLOG_BYTES="INT64_FORMAT"\n",
392366
backup->arclog_bytes);
393-
if (backup->srvlog_bytes!=BYTES_INVALID)
394-
fprintf(out,"SRVLOG_BYTES="INT64_FORMAT"\n",
395-
backup->srvlog_bytes);
396367
if (backup->backup_bytes!=BYTES_INVALID)
397368
fprintf(out,"BACKUP_BYTES="INT64_FORMAT"\n",
398369
backup->backup_bytes);
@@ -443,7 +414,6 @@ catalog_read_ini(const char *path)
443414
pgut_optionoptions[]=
444415
{
445416
{'s',0,"backup-mode",NULL,SOURCE_ENV },
446-
{'b',0,"with-serverlog",NULL,SOURCE_ENV },
447417
{'b',0,"compress-data",NULL,SOURCE_ENV },
448418
{'u',0,"timelineid",NULL,SOURCE_ENV },
449419
{'s',0,"start-lsn",NULL,SOURCE_ENV },
@@ -454,7 +424,6 @@ catalog_read_ini(const char *path)
454424
{'t',0,"recovery-time",NULL,SOURCE_ENV },
455425
{'I',0,"data-bytes",NULL,SOURCE_ENV },
456426
{'I',0,"arclog-bytes",NULL,SOURCE_ENV },
457-
{'I',0,"srvlog-bytes",NULL,SOURCE_ENV },
458427
{'I',0,"backup-bytes",NULL,SOURCE_ENV },
459428
{'u',0,"block-size",NULL,SOURCE_ENV },
460429
{'u',0,"xlog-block-size",NULL,SOURCE_ENV },
@@ -471,7 +440,6 @@ catalog_read_ini(const char *path)
471440

472441
i=0;
473442
options[i++].var=&backup_mode;
474-
options[i++].var=&backup->with_serverlog;
475443
options[i++].var=&backup->compress_data;
476444
options[i++].var=&backup->tli;
477445
options[i++].var=&start_lsn;
@@ -482,7 +450,6 @@ catalog_read_ini(const char *path)
482450
options[i++].var=&backup->recovery_time;
483451
options[i++].var=&backup->data_bytes;
484452
options[i++].var=&backup->arclog_bytes;
485-
options[i++].var=&backup->srvlog_bytes;
486453
options[i++].var=&backup->backup_bytes;
487454
options[i++].var=&backup->block_size;
488455
options[i++].var=&backup->wal_block_size;
@@ -620,7 +587,6 @@ void
620587
catalog_init_config(pgBackup*backup)
621588
{
622589
backup->backup_mode=BACKUP_MODE_INVALID;
623-
backup->with_serverlog= false;
624590
backup->compress_data= false;
625591
backup->status=BACKUP_STATUS_INVALID;
626592
backup->tli=0;
@@ -632,6 +598,5 @@ catalog_init_config(pgBackup *backup)
632598
backup->recovery_time= (time_t)0;
633599
backup->data_bytes=BYTES_INVALID;
634600
backup->arclog_bytes=BYTES_INVALID;
635-
backup->srvlog_bytes=BYTES_INVALID;
636601
backup->backup_bytes=BYTES_INVALID;
637602
}

‎data/sample_backup/20090531/170553/backup.ini

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,5 @@
11
# configuration
22
BACKUP_MODE=FULL
3-
WITH_SERVERLOG=NO
43
COMPRESS_DATA=NO
54
# result
65
TIMELINEID=1
@@ -10,7 +9,6 @@ START_TIME='2009-05-31 17:05:53'
109
END_TIME='2009-05-31 17:09:13'
1110
DATA_BYTES=1242102558
1211
ARCLOG_BYTES=9223372036854775807
13-
SRVLOG_BYTES=-1
1412
BACKUP_BYTES=242102558
1513
BLOCK_SIZE=8192
1614
XLOG_BLOCK_SIZE=8192

‎data/sample_backup/20090601/170553/backup.ini

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,5 @@
11
# configuration
22
BACKUP_MODE=INCREMENTAL
3-
WITH_SERVERLOG=NO
43
COMPRESS_DATA=NO
54
# result
65
TIMELINEID=1
@@ -10,7 +9,6 @@ START_TIME='2009-06-01 17:05:53'
109
END_TIME='2009-06-01 17:09:13'
1110
DATA_BYTES=9223372036854775807
1211
ARCLOG_BYTES=16777216
13-
SRVLOG_BYTES=-1
1412
BACKUP_BYTES=162372983
1513
BLOCK_SIZE=8192
1614
XLOG_BLOCK_SIZE=8192

‎data/sample_backup/20090602/170553/backup.ini

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,5 @@
11
# configuration
22
BACKUP_MODE=ARCHIVE
3-
WITH_SERVERLOG=YES
43
COMPRESS_DATA=NO
54
# result
65
TIMELINEID=1
@@ -10,7 +9,6 @@ START_TIME='2009-06-02 17:05:03'
109
END_TIME='2009-06-02 17:05:03'
1110
DATA_BYTES=-1
1211
ARCLOG_BYTES=-1
13-
SRVLOG_BYTES=4335423
1412
BACKUP_BYTES=162372983
1513
BLOCK_SIZE=8192
1614
XLOG_BLOCK_SIZE=8192

‎data/sample_backup/20090603/170553/backup.ini

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,5 @@
11
# configuration
22
BACKUP_MODE=FULL
3-
WITH_SERVERLOG=YES
43
COMPRESS_DATA=NO
54
# result
65
TIMELINEID=1
@@ -10,7 +9,6 @@ START_TIME='2009-06-03 17:05:53'
109
END_TIME='2009-06-03 17:05:53'
1110
DATA_BYTES=-1
1211
ARCLOG_BYTES=-1
13-
SRVLOG_BYTES=-1
1412
BACKUP_BYTES=-1
1513
BLOCK_SIZE=8192
1614
XLOG_BLOCK_SIZE=8192

‎delete.c

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -199,8 +199,6 @@ pgBackupDeleteFiles(pgBackup *backup)
199199
dir_list_file(files,path,NULL, true, true);
200200
pgBackupGetPath(backup,path,lengthof(path),ARCLOG_DIR);
201201
dir_list_file(files,path,NULL, true, true);
202-
pgBackupGetPath(backup,path,lengthof(path),SRVLOG_DIR);
203-
dir_list_file(files,path,NULL, true, true);
204202

205203
/* delete leaf node first */
206204
parray_qsort(files,pgFileComparePathDesc);

‎dir.c

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -25,7 +25,6 @@ const char *pgdata_exclude[] =
2525
"pg_stat_tmp",
2626
"pgsql_tmp",
2727
NULL,/* arclog_path will be set later */
28-
NULL,/* srvlog_path will be set later */
2928
NULL,/* 'pg_tblspc' will be set later */
3029
NULL,/* sentinel */
3130
};

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