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repmgr: add --help output and documentation for --wait-sync

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Ian Barwick
2016-09-28 14:22:26 +09:00
parent fa10fd8493
commit b9f52e74eb
2 changed files with 14 additions and 0 deletions
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12
README.md
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@@ -540,6 +540,18 @@ standby's upstream server is the replication cluster master. While of limited
use in a simple master/standby replication cluster, this information is required use in a simple master/standby replication cluster, this information is required
to effectively manage cascading replication (see below). to effectively manage cascading replication (see below).
* * *
> *TIP*: depending on your environment and workload, it may take some time for
> the standby's node record to propagate from the master to the standby. Some
> actions (such as starting `repmgrd`) require that the standby's node record
> is present and up-to-date to function correctly - by providing the option
> `--wait-sync` to the `repmgr standby register` command, `repmgr` will wait
> until the record is synchronised before exiting. An optional timeout (in
> seconds) can be added to this option (e.g. `--wait-sync=60`).
* * *
### Using Barman to clone a standby ### Using Barman to clone a standby
`repmgr standby clone` also supports Barman, the Backup and `repmgr standby clone` also supports Barman, the Backup and

2
repmgr.c
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@@ -5571,6 +5571,8 @@ do_help(void)
" PostgreSQL data directory\n")); " PostgreSQL data directory\n"));
printf(_(" -w, --wal-keep-segments (standby clone) minimum value for the GUC\n" \ printf(_(" -w, --wal-keep-segments (standby clone) minimum value for the GUC\n" \
" wal_keep_segments (default: %s)\n"), DEFAULT_WAL_KEEP_SEGMENTS); " wal_keep_segments (default: %s)\n"), DEFAULT_WAL_KEEP_SEGMENTS);
printf(_(" --wait-sync[=VALUE] (standby register) wait for the node record to synchronise to the\n"\
" standby (optional timeout in seconds)\n"));
printf(_(" -W, --wait (standby follow) wait for a master to appear\n")); printf(_(" -W, --wait (standby follow) wait for a master to appear\n"));
printf(_(" -m, --mode (standby switchover) shutdown mode (\"fast\" - default, \"smart\" or \"immediate\")\n")); printf(_(" -m, --mode (standby switchover) shutdown mode (\"fast\" - default, \"smart\" or \"immediate\")\n"));
printf(_(" -C, --remote-config-file (standby switchover) path to the configuration file on\n" \ printf(_(" -C, --remote-config-file (standby switchover) path to the configuration file on\n" \