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Add tunables for connection retries to master and interval between

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connection retries, these parameters along with master_response_timeout
determines the amount of time since failure to failover
This commit is contained in:
Jaime Casanova
2012-07-21 11:01:00 -05:00
parent 08ed0aa987
commit aaf35947ed
5 changed files with 49 additions and 11 deletions
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16
repmgrd.c
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@@ -345,7 +345,7 @@ WitnessMonitor(void)
* Check if the master is still available, if after 5 minutes of retries
* we cannot reconnect, return false.
*/
CheckPrimaryConnection(); // this take up to NUM_RETRY * SLEEP_RETRY seconds
CheckPrimaryConnection(); // this take up to local_options.reconnect_attempts * local_options.reconnect_intvl seconds
if (PQstatus(primaryConn) != CONNECTION_OK)
{
@@ -429,7 +429,7 @@ StandbyMonitor(void)
* Check if the master is still available, if after 5 minutes of retries
* we cannot reconnect, try to get a new master.
*/
CheckPrimaryConnection(); // this take up to NUM_RETRY * SLEEP_RETRY seconds
CheckPrimaryConnection(); // this take up to local_options.reconnect_attempts * local_options.reconnect_intvl seconds
if (PQstatus(primaryConn) != CONNECTION_OK)
{
@@ -762,17 +762,19 @@ CheckPrimaryConnection(void)
/*
* Check if the master is still available
* if after NUM_RETRY * SLEEP_RETRY seconds of retries
* if after local_options.reconnect_attempts * local_options.reconnect_intvl seconds of retries
* we cannot reconnect
* return false
*/
for (connection_retries = 0; connection_retries < NUM_RETRY; connection_retries++)
for (connection_retries = 0; connection_retries < local_options.reconnect_attempts; connection_retries++)
{
if (!is_pgup(primaryConn, local_options.master_response_timeout))
{
log_warning(_("%s: Connection to master has been lost, trying to recover... %i seconds before failover decision\n"), progname, (SLEEP_RETRY*(NUM_RETRY-connection_retries)));
/* wait SLEEP_RETRY seconds between retries */
sleep(SLEEP_RETRY);
log_warning(_("%s: Connection to master has been lost, trying to recover... %i seconds before failover decision\n"),
progname,
(local_options.reconnect_intvl * (local_options.reconnect_attempts - connection_retries)));
/* wait local_options.reconnect_intvl seconds between retries */
sleep(local_options.reconnect_intvl);
}
else
{