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optional fast checkpointing

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commandline -X/--fast-checkpoint
This commit is contained in:
Christoph Monech-Tegeder
2015-04-08 23:07:03 +02:00
parent 79728ba6dd
commit 196585c78a
3 changed files with 12 additions and 4 deletions
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1
HISTORY
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@@ -1,6 +1,7 @@
2.0.3 2015-??-?? 2.0.3 2015-??-??
Add option "--initdb-no-pwprompt" (Ian) Add option "--initdb-no-pwprompt" (Ian)
Add -S/--superuser option for witness database creation Ian) Add -S/--superuser option for witness database creation Ian)
Add -X/--fast-checkpoint option for cloning (Christoph)
2.0.2 2015-02-17 2.0.2 2015-02-17
Add "--checksum" in rsync when using "--force" (Jaime) Add "--checksum" in rsync when using "--force" (Jaime)

12
repmgr.c
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@@ -110,6 +110,7 @@ main(int argc, char **argv)
{"wait", no_argument, NULL, 'W'}, {"wait", no_argument, NULL, 'W'},
{"ignore-rsync-warning", no_argument, NULL, 'I'}, {"ignore-rsync-warning", no_argument, NULL, 'I'},
{"verbose", no_argument, NULL, 'v'}, {"verbose", no_argument, NULL, 'v'},
{"fast-checkpoint", no_argument, NULL, 'X'},
{NULL, 0, NULL, 0} {NULL, 0, NULL, 0}
}; };
@@ -134,7 +135,7 @@ main(int argc, char **argv)
} }
while ((c = getopt_long(argc, argv, "d:h:p:U:D:l:f:R:w:k:FWIv", long_options, while ((c = getopt_long(argc, argv, "d:h:p:U:D:l:f:R:w:k:FWIvX", long_options,
&optindex)) != -1) &optindex)) != -1)
{ {
switch (c) switch (c)
@@ -187,6 +188,9 @@ main(int argc, char **argv)
case 'v': case 'v':
runtime_options.verbose = true; runtime_options.verbose = true;
break; break;
case 'X':
runtime_options.fast_checkpoint = true;
break;
default: default:
usage(); usage();
exit(ERR_BAD_CONFIG); exit(ERR_BAD_CONFIG);
@@ -1106,8 +1110,9 @@ do_standby_clone(void)
*/ */
sqlquery_snprintf( sqlquery_snprintf(
sqlquery, sqlquery,
"SELECT pg_xlogfile_name(pg_start_backup('repmgr_standby_clone_%ld'))", "SELECT pg_xlogfile_name(pg_start_backup('repmgr_standby_clone_%ld', '%c'))",
time(NULL)); time(NULL),
runtime_options.fast_checkpoint ? 't' : 'f');
log_debug(_("standby clone: %s\n"), sqlquery); log_debug(_("standby clone: %s\n"), sqlquery);
res = PQexec(conn, sqlquery); res = PQexec(conn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK) if (PQresultStatus(res) != PGRES_TUPLES_OK)
@@ -1944,6 +1949,7 @@ help(const char *progname)
printf(_(" -F, --force force potentially dangerous operations\n" \ printf(_(" -F, --force force potentially dangerous operations\n" \
" to happen\n")); " to happen\n"));
printf(_(" -W, --wait wait for a master to appear\n")); printf(_(" -W, --wait wait for a master to appear\n"));
printf(_(" -X, --fast-checkpoint force immediate checkpoint when cloning\n"));
printf(_("\n%s performs some tasks like clone a node, promote it or making follow\n"), progname); printf(_("\n%s performs some tasks like clone a node, promote it or making follow\n"), progname);
printf(_("another node and then exits.\n\n")); printf(_("another node and then exits.\n\n"));

3
repmgr.h
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@@ -61,6 +61,7 @@ typedef struct
bool force; bool force;
bool wait_for_master; bool wait_for_master;
bool ignore_rsync_warn; bool ignore_rsync_warn;
bool fast_checkpoint;
char masterport[MAXLEN]; char masterport[MAXLEN];
char localport[MAXLEN]; char localport[MAXLEN];
@@ -69,6 +70,6 @@ typedef struct
int keep_history; int keep_history;
} t_runtime_options; } t_runtime_options;
#define T_RUNTIME_OPTIONS_INITIALIZER { "", "", "", "", "", "", DEFAULT_WAL_KEEP_SEGMENTS, false, false, false, false, "", "", 0 } #define T_RUNTIME_OPTIONS_INITIALIZER { "", "", "", "", "", "", DEFAULT_WAL_KEEP_SEGMENTS, false, false, false, false, false, "", "", 0 }
#endif #endif