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MXS-1262: Use monitor journals in all monitors

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All monitors now persist the state of the server in a monitor journal
file.

Moved the removal of stale journals into the core and removed them from
the monitor journal interface.
This commit is contained in:
Markus Mäkelä
2017-08-10 08:59:53 +03:00
parent b448b129d0
commit 53bf21f785
8 changed files with 32 additions and 36 deletions
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15
server/modules/monitor/mysqlmon/mysql_mon.c
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@ -244,7 +244,6 @@ startMonitor(MXS_MONITOR *monitor, const MXS_CONFIG_PARAMETER* params)
handle->shutdown = 0;
handle->id = config_get_global_options()->id;
handle->warn_failover = true;
handle->load_journal = true;
handle->monitor = monitor;
}
@ -263,12 +262,6 @@ startMonitor(MXS_MONITOR *monitor, const MXS_CONFIG_PARAMETER* params)
handle->events = config_get_enum(params, "events", mxs_monitor_event_enum_values);
handle->allow_external_slaves = config_get_bool(params, "allow_external_slaves");
if (journal_is_stale(monitor, monitor->journal_max_age))
{
MXS_WARNING("Removing stale journal file.");
remove_server_journal(monitor);
}
bool error = false;
if (!check_monitor_permissions(monitor, "SHOW SLAVE STATUS"))
@ -1129,7 +1122,9 @@ monitorMain(void *arg)
MXS_ERROR("mysql_thread_init failed in monitor module. Exiting.");
return;
}
handle->status = MXS_MONITOR_RUNNING;
load_server_journal(mon, &handle->master);
while (1)
{
@ -1169,12 +1164,6 @@ monitorMain(void *arg)
lock_monitor_servers(mon);
servers_status_pending_to_current(mon);
if (handle->load_journal)
{
handle->load_journal = false;
load_server_journal(mon, &handle->master);
}
/* start from the first server in the list */
ptr = mon->databases;