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De-overload configuration file parameter "standby_reconnect_timeout"

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Currently the (very generic sounding) "standby_reconnect_timeout" configuration
file parameter is used in several different contexts and it would be useful
to have more granular control over the different timeouts it's used to configure.

This patch introduces "node_rejoin_timeout", used in place of "standby_reconnect_timeout"
(which wasn't documented) when "repmgr node rejoin" is executed, to determine
how long to wait for the node to rejoin the replication cluster.

Additionally "repmgrd_standby_startup_timeout" is introduced as a timeout for
failover situations, when repmgrd executes "repmgr standby follow" to follow
a new primary, and waits for the standby to restart and become available
for connections.

"standby_reconnect_timeout" is now only relevant for "repmgr standby switchover".

Implements GitHub #454.
This commit is contained in:
Ian Barwick
2018-06-28 17:53:17 +09:00
parent 080a29c33b
commit b2081dca52
8 changed files with 112 additions and 19 deletions
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8
repmgrd-physical.c
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@@ -1941,7 +1941,7 @@ do_upstream_standby_failover(void)
* completes, so poll for a while until we get a connection.
*/
for (i = 0; i < config_file_options.standby_reconnect_timeout; i++)
for (i = 0; i < config_file_options.repmgrd_standby_startup_timeout; i++)
{
local_conn = establish_db_connection(local_node_info.conninfo, false);
@@ -1950,7 +1950,7 @@ do_upstream_standby_failover(void)
log_debug("sleeping 1 second; %i of %i attempts to reconnect to local node",
i + 1,
config_file_options.standby_reconnect_timeout);
config_file_options.repmgrd_standby_startup_timeout);
sleep(1);
}
@@ -2391,7 +2391,7 @@ follow_new_primary(int new_primary_id)
* completes, so poll for a while until we get a connection.
*/
for (i = 0; i < config_file_options.standby_reconnect_timeout; i++)
for (i = 0; i < config_file_options.repmgrd_standby_startup_timeout; i++)
{
local_conn = establish_db_connection(local_node_info.conninfo, false);
@@ -2400,7 +2400,7 @@ follow_new_primary(int new_primary_id)
log_debug("sleeping 1 second; %i of %i attempts to reconnect to local node",
i + 1,
config_file_options.standby_reconnect_timeout);
config_file_options.repmgrd_standby_startup_timeout);
sleep(1);
}