summaryrefslogtreecommitdiff
path: root/src/bin/pg_basebackup/pg_basebackup.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/bin/pg_basebackup/pg_basebackup.c')
-rw-r--r--src/bin/pg_basebackup/pg_basebackup.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/src/bin/pg_basebackup/pg_basebackup.c b/src/bin/pg_basebackup/pg_basebackup.c
index cd7d095103d..0f5d9d6a87f 100644
--- a/src/bin/pg_basebackup/pg_basebackup.c
+++ b/src/bin/pg_basebackup/pg_basebackup.c
@@ -69,6 +69,7 @@ static bool includewal = false;
static bool streamwal = false;
static bool fastcheckpoint = false;
static bool writerecoveryconf = false;
+static bool do_sync = true;
static int standby_message_timeout = 10 * 1000; /* 10 sec = default */
static pg_time_t last_progress_report = 0;
static int32 maxrate = 0; /* no limit by default */
@@ -329,6 +330,7 @@ usage(void)
" set fast or spread checkpointing\n"));
printf(_(" -l, --label=LABEL set backup label\n"));
printf(_(" -n, --noclean do not clean up after errors\n"));
+ printf(_(" -N, --nosync do not wait for changes to be written safely to disk\n"));
printf(_(" -P, --progress show progress information\n"));
printf(_(" -v, --verbose output verbose messages\n"));
printf(_(" -V, --version output version information, then exit\n"));
@@ -460,6 +462,7 @@ LogStreamerMain(logstreamer_param *param)
stream.stream_stop = reached_end_position;
stream.standby_message_timeout = standby_message_timeout;
stream.synchronous = false;
+ stream.do_sync = do_sync;
stream.mark_done = true;
stream.basedir = param->xlogdir;
stream.partial_suffix = NULL;
@@ -1199,7 +1202,7 @@ ReceiveTarFile(PGconn *conn, PGresult *res, int rownum)
PQfreemem(copybuf);
/* sync the resulting tar file, errors are not considered fatal */
- if (strcmp(basedir, "-") != 0)
+ if (do_sync && strcmp(basedir, "-") != 0)
(void) fsync_fname(filename, false, progname);
}
@@ -1967,14 +1970,17 @@ BaseBackup(void)
* all the data of the base directory is synced, taking into account
* all the tablespaces. Errors are not considered fatal.
*/
- if (format == 't')
+ if (do_sync)
{
- if (strcmp(basedir, "-") != 0)
- (void) fsync_fname(basedir, true, progname);
- }
- else
- {
- (void) fsync_pgdata(basedir, progname);
+ if (format == 't')
+ {
+ if (strcmp(basedir, "-") != 0)
+ (void) fsync_fname(basedir, true, progname);
+ }
+ else
+ {
+ (void) fsync_pgdata(basedir, progname);
+ }
}
if (verbose)
@@ -2001,6 +2007,7 @@ main(int argc, char **argv)
{"compress", required_argument, NULL, 'Z'},
{"label", required_argument, NULL, 'l'},
{"noclean", no_argument, NULL, 'n'},
+ {"nosync", no_argument, NULL, 'N'},
{"dbname", required_argument, NULL, 'd'},
{"host", required_argument, NULL, 'h'},
{"port", required_argument, NULL, 'p'},
@@ -2037,7 +2044,7 @@ main(int argc, char **argv)
atexit(cleanup_directories_atexit);
- while ((c = getopt_long(argc, argv, "D:F:r:RT:xX:l:nzZ:d:c:h:p:U:s:S:wWvP",
+ while ((c = getopt_long(argc, argv, "D:F:r:RT:xX:l:nNzZ:d:c:h:p:U:s:S:wWvP",
long_options, &option_index)) != -1)
{
switch (c)
@@ -2115,6 +2122,9 @@ main(int argc, char **argv)
case 'n':
noclean = true;
break;
+ case 'N':
+ do_sync = false;
+ break;
case 'z':
#ifdef HAVE_LIBZ
compresslevel = Z_DEFAULT_COMPRESSION;