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Added serveral 'global_variables' metrics

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pull/2676/head
Javier Jaramago Fernández 6 years ago
parent 0bf32e7fc5
commit 7c561bc701
2 changed files with 108 additions and 0 deletions
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13
include/MySQL_Thread.h
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@ -305,6 +305,19 @@ struct p_th_gauge {
mirror_concurrency,
mirror_queue_lengths,
mysql_thread_workers,
// global_variables
mysql_wait_timeout,
mysql_max_connections,
mysql_monitor_enabled,
mysql_monitor_ping_interval,
mysql_monitor_ping_timeout,
mysql_monitor_ping_max_failures,
mysql_monitor_read_only_interval,
mysql_monitor_read_only_timeout,
mysql_monitor_writer_is_also_reader,
mysql_monitor_replication_lag_interval,
mysql_monitor_replication_lag_timeout,
mysql_monitor_history,
__size
};
};

95
lib/MySQL_Thread.cpp
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@ -875,6 +875,90 @@ th_metrics_map = std::make_tuple(
"proxysql_mysql_thread_workers",
"Number of MySQL Thread workers i.e. “mysql-threads”",
metric_tags {}
),
// global_variables
// TODO: Change unit
std::make_tuple (
p_th_gauge::mysql_wait_timeout,
"proxysql_mysql_wait_timeout",
"If a proxy session has been idle for more than this threshold, the proxy will kill the session.",
metric_tags {}
),
// TODO: Change unit
std::make_tuple (
p_th_gauge::mysql_max_connections,
"proxysql_mysql_max_connections",
"The maximum number of client connections that the proxy can handle.",
metric_tags {}
),
std::make_tuple (
p_th_gauge::mysql_monitor_enabled,
"mysql_monitor_enabled",
"Enables or disables MySQL Monitor.",
metric_tags {}
),
// TODO: Change unit
std::make_tuple (
p_th_gauge::mysql_monitor_ping_interval,
"proxysql_mysql_monitor_ping_interval",
"How frequently a ping check is performed, in milliseconds.",
metric_tags {}
),
// TODO: Change unit
std::make_tuple (
p_th_gauge::mysql_monitor_ping_timeout,
"proxysql_mysql_monitor_ping_timeout",
"Ping timeout in milliseconds.",
metric_tags {}
),
// TODO: Check help
std::make_tuple (
p_th_gauge::mysql_monitor_ping_max_failures,
"proxysql_mysql_monitor_ping_max_failures",
"If a host misses mysql-monitor_ping_max_failures pings in a row, the node is considered unreachable and that should immediately kill all connections.",
metric_tags {}
),
// TODO: Check unit
std::make_tuple (
p_th_gauge::mysql_monitor_read_only_interval,
"proxysql_mysql_monitor_read_only_interval",
"How frequently a read only check is performed, in milliseconds.",
metric_tags {}
),
// TODO: Check unit
std::make_tuple (
p_th_gauge::mysql_monitor_read_only_interval,
"proxysql_mysql_monitor_read_only_interval",
"How frequently a read only check is performed, in milliseconds.",
metric_tags {}
),
// TODO: Check help
std::make_tuple (
p_th_gauge::mysql_monitor_writer_is_also_reader,
"proxysql_mysql_monitor_writer_is_also_reader",
"When a node change its read_only value from 1 to 0, this variable determines if the node should be present in both hostgroups or not.",
metric_tags {}
),
// TODO: Check unit
std::make_tuple (
p_th_gauge::mysql_monitor_replication_lag_interval,
"mysql_monitor_replication_lag_interval",
"How frequently a replication lag check is performed, in milliseconds.",
metric_tags {}
),
// TODO: Check unit
std::make_tuple (
p_th_gauge::mysql_monitor_replication_lag_timeout,
"mysql_monitor_replication_lag_timeout",
"Replication lag check timeout in milliseconds.",
metric_tags {}
),
// TODO: Current help looks too complicated to be exposed as a metric help.
std::make_tuple (
p_th_gauge::mysql_monitor_history,
"mysql_monitor_history",
".",
metric_tags {}
)
}
);
@ -6176,6 +6260,17 @@ void MySQL_Threads_Handler::p_update_metrics() {
get_status_variable(MySQL_Thread_status_variables_array[i].v_idx, MySQL_Thread_status_variables_array[i].m_idx);
}
}
this->status_variables.p_gauge_array[p_th_gauge::mysql_wait_timeout]->Set(this->variables.wait_timeout);
this->status_variables.p_gauge_array[p_th_gauge::mysql_monitor_ping_interval]->Set(this->variables.monitor_ping_interval);
this->status_variables.p_gauge_array[p_th_gauge::mysql_max_connections]->Set(this->variables.max_connections);
this->status_variables.p_gauge_array[p_th_gauge::mysql_monitor_enabled]->Set(this->variables.monitor_enabled);
this->status_variables.p_gauge_array[p_th_gauge::mysql_monitor_ping_timeout]->Set(this->variables.monitor_ping_timeout);
this->status_variables.p_gauge_array[p_th_gauge::mysql_monitor_ping_max_failures]->Set(this->variables.monitor_ping_max_failures);
this->status_variables.p_gauge_array[p_th_gauge::mysql_monitor_read_only_interval]->Set(this->variables.monitor_read_only_interval);
this->status_variables.p_gauge_array[p_th_gauge::mysql_monitor_writer_is_also_reader]->Set(this->variables.monitor_writer_is_also_reader);
this->status_variables.p_gauge_array[p_th_gauge::mysql_monitor_replication_lag_interval]->Set(this->variables.monitor_replication_lag_interval);
this->status_variables.p_gauge_array[p_th_gauge::mysql_monitor_replication_lag_timeout]->Set(this->variables.monitor_replication_lag_timeout);
this->status_variables.p_gauge_array[p_th_gauge::mysql_monitor_history]->Set(this->variables.monitor_history);
}
void MySQL_Thread::Get_Memory_Stats() {

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