Support --fast-checkpoint

This commit is contained in:
Ian Barwick
2015-03-20 15:24:23 +09:00
parent 5b4f832f3b
commit 3e2c9ed410
4 changed files with 38 additions and 15 deletions

View File

@@ -827,15 +827,15 @@ create_replication_slot(PGconn *conn, char *slot_name)
bool
start_backup(PGconn *conn, char *first_wal_segment)
start_backup(PGconn *conn, char *first_wal_segment, bool fast_checkpoint)
{
char sqlquery[QUERY_STR_LEN];
PGresult *res;
sqlquery_snprintf(
sqlquery,
"SELECT pg_xlogfile_name(pg_start_backup('repmgr_standby_clone_%ld'))",
time(NULL));
sqlquery_snprintf(sqlquery,
"SELECT pg_xlogfile_name(pg_start_backup('repmgr_standby_clone_%ld', %s))",
time(NULL),
fast_checkpoint ? "TRUE" : "FALSE");
log_debug(_("standby clone: %s\n"), sqlquery);

View File

@@ -60,7 +60,7 @@ char *get_repmgr_schema(void);
char *get_repmgr_schema_quoted(PGconn *conn);
bool create_replication_slot(PGconn *conn, char *slot_name);
bool start_backup(PGconn *conn, char *first_wal_segment);
bool start_backup(PGconn *conn, char *first_wal_segment, bool fast_checkpoint);
bool stop_backup(PGconn *conn, char *last_wal_segment);
bool set_config_bool(PGconn *conn, const char *config_param, bool state);
bool copy_configuration(PGconn *masterconn, PGconn *witnessconn, char *cluster_name);

View File

@@ -142,6 +142,7 @@ main(int argc, char **argv)
{"initdb-no-pwprompt", no_argument, NULL, 1},
{"check-upstream-config", no_argument, NULL, 2},
{"rsync-only", no_argument, NULL, 3},
{"fast-checkpoint", no_argument, NULL, 4},
{NULL, 0, NULL, 0}
};
@@ -264,6 +265,9 @@ main(int argc, char **argv)
case 3:
runtime_options.rsync_only = true;
break;
case 4:
runtime_options.fast_checkpoint = true;
break;
default:
{
PQExpBufferData unknown_option;
@@ -1169,7 +1173,7 @@ do_standby_clone(void)
exit(ERR_BAD_CONFIG);
}
if(start_backup(upstream_conn, first_wal_segment) == false)
if(start_backup(upstream_conn, first_wal_segment, runtime_options.fast_checkpoint) == false)
{
r = ERR_BAD_BASEBACKUP;
retval = ERR_BAD_BASEBACKUP;
@@ -1477,7 +1481,6 @@ stop_backup:
log_notice(_("standby clone (using pg_basebackup) complete\n"));
}
/*
* XXX It might be nice to provide the following options:
* - have repmgr start the daemon automatically
@@ -2226,7 +2229,8 @@ help(const char *progname)
" to happen\n"));
printf(_(" -W, --wait wait for a master to appear\n"));
printf(_(" -r, --min-recovery-apply-delay=VALUE enable recovery time delay, value has to be a valid time atom (e.g. 5min)\n"));
printf(_(" --rsync-only use only rsync to make the initial base backup\n"));
printf(_(" --rsync-only use only rsync to clone a standby\n"));
printf(_(" --fast-checkpoint force fast checkpoint when cloning a standby\n"));
printf(_(" --initdb-no-pwprompt don't require superuser password when running initdb\n"));
printf(_(" --check-upstream-config verify upstream server configuration\n"));
printf(_("\n%s performs the following node management tasks:\n\n"), progname);
@@ -2476,16 +2480,28 @@ run_basebackup()
initPQExpBuffer(&params);
if(strlen(runtime_options.host))
{
appendPQExpBuffer(&params, " -h %s", runtime_options.host);
}
if(strlen(runtime_options.masterport))
{
appendPQExpBuffer(&params, " -p %s", runtime_options.masterport);
}
if(strlen(runtime_options.username))
{
appendPQExpBuffer(&params, " -U %s", runtime_options.username);
}
if(strlen(runtime_options.dest_dir))
{
appendPQExpBuffer(&params, " -D %s", runtime_options.dest_dir);
}
if(runtime_options.fast_checkpoint) {
appendPQExpBuffer(&params, " -c fast");
}
if(options.tablespace_mapping.head != NULL)
{
@@ -2499,15 +2515,14 @@ run_basebackup()
"%s -l \"repmgr base backup\" %s %s",
make_pg_path("pg_basebackup"),
params.data,
options.pg_basebackup_options
);
options.pg_basebackup_options);
termPQExpBuffer(&params);
log_info(_("executing: '%s'\n"), script);
/*
* As of 9.4, pg_basebackup et al only ever return 0 or 1
* As of 9.4, pg_basebackup only ever returns 0 or 1
*/
r = system(script);
@@ -2517,7 +2532,8 @@ run_basebackup()
/*
* Tries to avoid useless or conflicting parameters
* Check for useless or conflicting parameters, and also whether a
* configuration file is required.
*/
static void
check_parameters_for_action(const int action)
@@ -2634,13 +2650,19 @@ check_parameters_for_action(const int action)
{
if(runtime_options.rsync_only)
{
error_list_append(_("--rsync-only can only be used when executing STANDBY CLONE."));
error_list_append(_("--rsync-only can only be used when executing STANDBY CLONE"));
}
if(runtime_options.fast_checkpoint)
{
error_list_append(_("--fast-checkpoint can only be used when executing STANDBY CLONE"));
}
}
return;
}
static bool
create_schema(PGconn *conn)
{

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@@ -80,6 +80,7 @@ typedef struct
bool ignore_rsync_warn;
bool initdb_no_pwprompt;
bool rsync_only;
bool fast_checkpoint;
char masterport[MAXLEN];
char localport[MAXLEN];
@@ -92,7 +93,7 @@ typedef struct
char min_recovery_apply_delay[MAXLEN];
} t_runtime_options;
#define T_RUNTIME_OPTIONS_INITIALIZER { "", "", "", "", "", "", "", DEFAULT_WAL_KEEP_SEGMENTS, false, false, false, false, false, false, "", "", 0, "", "" }
#define T_RUNTIME_OPTIONS_INITIALIZER { "", "", "", "", "", "", "", DEFAULT_WAL_KEEP_SEGMENTS, false, false, false, false, false, false, false, "", "", 0, "", "" }
extern char repmgr_schema[MAXLEN];