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Merge pull request #5266 from sysown/v3.0_mysql_monitor_crash_5256

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MySQL Monitor: Improve debug handling
pull/5276/head
René Cannaò 5 months ago committed by GitHub
parent 2d1140581d 01a5b23b22
commit 461f5d52f2
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GPG Key ID: B5690EEEBB952194
2 changed files with 74 additions and 79 deletions
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3
include/MySQL_Monitor.hpp
Unescape View File

@ -329,6 +329,9 @@ private:
MySQL_Monitor_State_Data_Task_Result galera_handler(short event_, short& wait_event) {
return generic_handler(event_, wait_event);
}
friend unique_ptr<MySQL_Monitor_State_Data> init_mmsd_with_conn(const gr_host_def_t srv_def, uint32_t writer_hg,
uint64_t start_time);
};
template<typename T>

150
lib/MySQL_Monitor.cpp
Unescape View File

@ -241,7 +241,7 @@ private:
std::unique_ptr<PtrArray> servers;
public:
MYSQL * get_connection(char *hostname, int port, MySQL_Monitor_State_Data *mmsd);
void put_connection(char *hostname, int port, MYSQL *my);
void put_connection(char *hostname, MySQL_Monitor_State_Data* mmsd);
void purge_some_connections();
void purge_all_connections();
MySQL_Monitor_Connection_Pool() {
@ -262,7 +262,6 @@ public:
std::lock_guard<std::mutex> lock(mutex);
pthread_mutex_lock(&m2);
MYSQL* my = mmsd->mysql;
__conn_register_label:
for (unsigned int i=0; i<conns->len; i++) {
MYSQL *my1 = (MYSQL *)conns->index(i);
// 'my1' can be NULL due to connection cleanup
@ -385,8 +384,8 @@ MYSQL * MySQL_Monitor_Connection_Pool::get_connection(char *hostname, int port,
assert(my!=my1);
}
//proxy_info("Registering MYSQL with FD %d from mmsd %p and MYSQL %p\n", my->net.fd, mmsd, my);
proxy_debug(PROXY_DEBUG_MONITOR, 7,
"Registering MYSQL with FD %d from mmsd %p and MYSQL %p\n", my->net.fd, mmsd, my);
conns->add(my);
}
#endif // DEBUG
@ -403,56 +402,54 @@ MYSQL * MySQL_Monitor_Connection_Pool::get_connection(char *hostname, int port,
return my;
}
void MySQL_Monitor_Connection_Pool::put_connection(char *hostname, int port, MYSQL *my) {
void MySQL_Monitor_Connection_Pool::put_connection(char* hostname, MySQL_Monitor_State_Data* mmsd) {
unsigned long long now = monotonic_time();
int port = mmsd->port;
MYSQL* my = mmsd->mysql;
std::lock_guard<std::mutex> lock(mutex);
#ifdef DEBUG
pthread_mutex_lock(&m2);
#endif // DEBUG
*(unsigned long long*)my->net.buff = now;
for (unsigned int i=0; i<servers->len; i++) {
MonMySrvC *srv = (MonMySrvC *)servers->index(i);
if (srv->port == port && strcmp(hostname,srv->address)==0) {
srv->conns->add(my);
// pthread_mutex_unlock(&m2);
// return;
#ifdef DEBUG
for (unsigned int j=0; j<conns->len; j++) {
MYSQL *my1 = (MYSQL *)conns->index(j);
if (my1 == my) {
conns->remove_index_fast(j);
//proxy_info("Un-registering MYSQL with FD %d\n", my->net.fd);
pthread_mutex_unlock(&m2);
return;
}
}
// LCOV_EXCL_START
assert(0); // it didn't register it
// LCOV_EXCL_STOP
#else
return;
#endif // DEBUG
#endif
* reinterpret_cast<unsigned long long*>(my->net.buff) = now;
MonMySrvC* targetSrv = nullptr;
for (unsigned int i = 0; i < servers->len; ++i) {
auto* srv = static_cast<MonMySrvC*>(servers->index(i));
if (srv->port == port && strcmp(hostname, srv->address) == 0) {
targetSrv = srv;
break;
}
}
// if no server was found
MonMySrvC *srv = new MonMySrvC(hostname,port);
srv->conns->add(my);
servers->add(srv);
// pthread_mutex_unlock(&m2);
if (!targetSrv) {
targetSrv = new MonMySrvC(hostname, port);
servers->add(targetSrv);
}
targetSrv->conns->add(my);
#ifdef DEBUG
for (unsigned int j=0; j<conns->len; j++) {
MYSQL *my1 = (MYSQL *)conns->index(j);
if (my1 == my) {
// Remove connection from global debug list
for (unsigned int j = 0; j < conns->len; ++j) {
auto* registered = static_cast<MYSQL*>(conns->index(j));
if (registered == my) {
conns->remove_index_fast(j);
//proxy_info("Un-registering MYSQL with FD %d\n", my->net.fd);
proxy_debug(PROXY_DEBUG_MONITOR, 7,
"Un-registering MYSQL with FD %d from mmsd %p and MYSQL %p\n", my->net.fd, mmsd, mmsd->mysql);
pthread_mutex_unlock(&m2);
mmsd->mysql = NULL;
return;
}
}
// LCOV_EXCL_START
assert(0);
// Should never happen: connection must have been registered
assert(false && "MYSQL connection not found in debug registry");
// LCOV_EXCL_STOP
#endif // DEBUG
#endif
mmsd->mysql = NULL;
}
void MySQL_Monitor_Connection_Pool::purge_some_connections() {
@ -1465,7 +1462,7 @@ void * monitor_ping_thread(const std::vector<MySQL_Monitor_State_Data*>& mmsds)
//proxy_warning("Got error. mmsd %p , MYSQL %p , FD %d : %s\n", mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
} else {
if (crc==false) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
//GloMyMon->My_Conn_Pool->conn_unregister(mmsd->mysql);
mmsd->mysql=NULL;
}
@ -1510,10 +1507,10 @@ __fast_exit_monitor_ping_thread:
if (mmsd->mysql_error_msg) {
#ifdef DEBUG
proxy_error("Error after %lldms: server %s:%d , mmsd %p , MYSQL %p , FD %d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
#else
proxy_error("Error after %lldms on server %s:%d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd->mysql_error_msg);
#endif // DEBUG
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
mysql_close(mmsd->mysql); // if we reached here we should destroy it
mmsd->mysql=NULL;
@ -1521,7 +1518,7 @@ __fast_exit_monitor_ping_thread:
if (crc) {
bool rc=mmsd->set_wait_timeout();
if (rc) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
//GloMyMon->My_Conn_Pool->conn_unregister(mmsd->mysql);
} else {
#ifdef DEBUG
@ -1884,7 +1881,7 @@ VALGRIND_ENABLE_ERROR_REPORTING;
} else {
if (crc==false) {
if (mmsd->mysql) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql=NULL;
}
}
@ -1902,7 +1899,7 @@ __fast_exit_monitor_read_only_thread:
if (crc) {
bool rc=mmsd->set_wait_timeout();
if (rc) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
} else {
proxy_error("Got error: mmsd %p , MYSQL %p , FD %d : %s\n", mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
@ -2034,7 +2031,7 @@ void * monitor_group_replication_thread(const std::vector<MySQL_Monitor_State_Da
}
} else {
if (crc==false) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql=NULL;
}
}
@ -2241,7 +2238,7 @@ __end_process_group_replication_result2:
} else {
if (crc==false) {
if (mmsd->mysql) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql=NULL;
}
}
@ -2259,7 +2256,7 @@ __fast_exit_monitor_group_replication_thread:
if (crc) {
bool rc=mmsd->set_wait_timeout();
if (rc) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
} else {
proxy_error("Got error. mmsd %p , MYSQL %p , FD %d : %s\n", mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
@ -2409,11 +2406,11 @@ void * monitor_galera_thread(const std::vector<MySQL_Monitor_State_Data*>& data)
mysql_close(mmsd->mysql);
mmsd->mysql=NULL;
} else {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql=NULL;
}
#else
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql=NULL;
#endif // TEST_GALERA
}
@ -2642,7 +2639,7 @@ __end_process_galera_result2:
} else {
if (crc==false) {
if (mmsd->mysql) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql=NULL;
}
}
@ -2660,7 +2657,7 @@ __fast_exit_monitor_galera_thread:
if (crc) {
bool rc=mmsd->set_wait_timeout();
if (rc) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
} else {
proxy_error("Got error. mmsd %p , MYSQL %p , FD %d : %s\n", mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
@ -2820,7 +2817,7 @@ void * monitor_replication_lag_thread(const std::vector<MySQL_Monitor_State_Data
} else {
if (crc==false) {
//GloMyMon->My_Conn_Pool->conn_unregister(mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql=NULL;
}
}
@ -2930,9 +2927,7 @@ __exit_monitor_replication_lag_thread:
rc=(*proxy_sqlite3_bind_int64)(statement, 4, (mmsd->mysql_error_msg ? 0 : mmsd->t2-mmsd->t1)); ASSERT_SQLITE_OK(rc, mmsd->mondb);
if (mmsd->interr == 0 && mmsd->result) {
int num_fields=0;
int k=0;
MYSQL_FIELD * fields=NULL;
int j=-1;
num_fields = mysql_num_fields(mmsd->result);
fields = mysql_fetch_fields(mmsd->result);
if ( fields && (num_fields == 2) ) {
@ -2980,17 +2975,17 @@ __exit_monitor_replication_lag_thread:
if (mmsd->mysql) {
#ifdef DEBUG
proxy_error("Error after %lldms: server %s:%d , mmsd %p , MYSQL %p , FD %d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
#else
proxy_error("Error after %lldms on server %s:%d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd->mysql_error_msg);
#endif // DEBUG
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
mysql_close(mmsd->mysql);
mmsd->mysql=NULL;
}
} else {
if (mmsd->mysql) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
//GloMyMon->My_Conn_Pool->conn_unregister(mmsd->mysql);
mmsd->mysql=NULL;
}
@ -3002,26 +2997,26 @@ __fast_exit_monitor_replication_lag_thread:
if (mmsd->mysql_error_msg) {
#ifdef DEBUG
proxy_error("Error after %lldms: server %s:%d , mmsd %p , MYSQL %p , FD %d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
#else
proxy_error("Error after %lldms on server %s:%d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd->mysql_error_msg);
#endif // DEBUG
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
mysql_close(mmsd->mysql); // if we reached here we should destroy it
mmsd->mysql=NULL;
} else {
if (crc) {
bool rc=mmsd->set_wait_timeout();
if (rc) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
//GloMyMon->My_Conn_Pool->conn_unregister(mmsd->mysql);
} else {
#ifdef DEBUG
proxy_error("Error after %lldms: server %s:%d , mmsd %p , MYSQL %p , FD %d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
proxy_error("Error after %lldms: server %s:%d , mmsd %p , MYSQL %p , FD %d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
#else
proxy_error("Error after %lldms on server %s:%d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd->mysql_error_msg);
#endif // DEBUG
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
mysql_close(mmsd->mysql); // set_wait_timeout failed
}
@ -3029,11 +3024,11 @@ __fast_exit_monitor_replication_lag_thread:
} else { // really not sure how we reached here, drop it
#ifdef DEBUG
proxy_error("Error after %lldms: server %s:%d , mmsd %p , MYSQL %p , FD %d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
#else
proxy_error("Error after %lldms on server %s:%d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd->mysql_error_msg);
#endif // DEBUG
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
mysql_close(mmsd->mysql);
mmsd->mysql=NULL;
}
@ -3764,6 +3759,7 @@ unique_ptr<MySQL_Monitor_State_Data> init_mmsd_with_conn(
"timeout or error in creating new connection: %s", mmsd->mysql_error_msg
);
mmsd->mysql_error_msg = strdup(conn_err_msg.str.c_str());
mmsd->task_result_ = MySQL_Monitor_State_Data_Task_Result::TASK_RESULT_FAILED;
}
}
@ -4068,7 +4064,7 @@ void handle_mmsd_mysql_conn(MySQL_Monitor_State_Data* mmsd) {
if (mmsd->created_conn) {
bool rc = mmsd->set_wait_timeout();
if (rc) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
} else {
proxy_error(
"Error by 'set_wait_timeout' for new connection. mmsd %p , MYSQL %p , FD %d : %s\n",
@ -4077,13 +4073,11 @@ void handle_mmsd_mysql_conn(MySQL_Monitor_State_Data* mmsd) {
MyHGM->p_update_mysql_error_counter(
p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql)
);
if (mmsd->get_task_result() == MySQL_Monitor_State_Data_Task_Result::TASK_RESULT_SUCCESS) {
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
}
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
mysql_close(mmsd->mysql);
}
} else {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
}
}
@ -6451,7 +6445,7 @@ __exit_monitor_aws_aurora_HG_thread:
} else {
if (crc==false) {
if (mmsd->mysql) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql=NULL;
}
}
@ -6462,18 +6456,18 @@ __fast_exit_monitor_aws_aurora_HG_thread:
if (mmsd->mysql_error_msg) {
#ifdef DEBUG
proxy_error("Error after %lldms: server %s:%d , mmsd %p , MYSQL %p , FD %d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
#else
proxy_error("Error after %lldms on server %s:%d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd->hostname, mmsd->port, mmsd->mysql_error_msg);
#endif // DEBUG
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
mysql_close(mmsd->mysql); // if we reached here we should destroy it
mmsd->mysql=NULL;
} else {
if (crc) {
bool rc=mmsd->set_wait_timeout();
if (rc) {
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
} else {
proxy_error("Error after %lldms: mmsd %p , MYSQL %p , FD %d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
MyHGM->p_update_mysql_error_counter(p_mysql_error_type::proxysql, mmsd->hostgroup_id, mmsd->hostname, mmsd->port, mysql_errno(mmsd->mysql));
@ -7377,7 +7371,7 @@ void* monitor_ping_process_ready_task_thread(const std::vector<MySQL_Monitor_Sta
if (task_result == MySQL_Monitor_State_Data_Task_Result::TASK_RESULT_SUCCESS) {
__sync_fetch_and_add(&GloMyMon->ping_check_OK, 1);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd->port, mmsd->mysql);
GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql = NULL;
} else {
__sync_fetch_and_add(&GloMyMon->ping_check_ERR, 1);
@ -7608,7 +7602,7 @@ bool MySQL_Monitor::monitor_read_only_process_ready_tasks(const std::vector<MySQ
if (task_result == MySQL_Monitor_State_Data_Task_Result::TASK_RESULT_SUCCESS) {
__sync_fetch_and_add(&read_only_check_OK, 1);
My_Conn_Pool->put_connection(mmsd->hostname, mmsd->port, mmsd->mysql);
My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql = NULL;
} else {
__sync_fetch_and_add(&read_only_check_ERR, 1);
@ -7831,7 +7825,7 @@ bool MySQL_Monitor::monitor_group_replication_process_ready_tasks(const std::vec
assert(task_result != MySQL_Monitor_State_Data_Task_Result::TASK_RESULT_PENDING);
if (task_result == MySQL_Monitor_State_Data_Task_Result::TASK_RESULT_SUCCESS) {
My_Conn_Pool->put_connection(mmsd->hostname, mmsd->port, mmsd->mysql);
My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql = NULL;
} else {
@ -8079,7 +8073,7 @@ bool MySQL_Monitor::monitor_replication_lag_process_ready_tasks(const std::vecto
if (task_result == MySQL_Monitor_State_Data_Task_Result::TASK_RESULT_SUCCESS) {
__sync_fetch_and_add(&replication_lag_check_OK, 1);
My_Conn_Pool->put_connection(mmsd->hostname, mmsd->port, mmsd->mysql);
My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql = NULL;
} else {
__sync_fetch_and_add(&replication_lag_check_ERR, 1);
@ -8199,9 +8193,7 @@ bool MySQL_Monitor::monitor_replication_lag_process_ready_tasks(const std::vecto
rc = (*proxy_sqlite3_bind_int64)(statement, 4, (mmsd->mysql_error_msg ? 0 : mmsd->t2 - mmsd->t1)); ASSERT_SQLITE_OK(rc, mmsd->mondb);
if (mmsd->interr == 0 && mmsd->result) {
int num_fields=0;
int k=0;
MYSQL_FIELD * fields=NULL;
int j=-1;
num_fields = mysql_num_fields(mmsd->result);
fields = mysql_fetch_fields(mmsd->result);
if ( fields && (num_fields == 2) ) {
@ -8305,11 +8297,11 @@ bool MySQL_Monitor::monitor_galera_process_ready_tasks(const std::vector<MySQL_M
mysql_close(mmsd->mysql);
mmsd->mysql = NULL;
} else {
My_Conn_Pool->put_connection(mmsd->hostname, mmsd->port, mmsd->mysql);
My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql = NULL;
}
#else
My_Conn_Pool->put_connection(mmsd->hostname, mmsd->port, mmsd->mysql);
My_Conn_Pool->put_connection(mmsd->hostname, mmsd);
mmsd->mysql = NULL;
#endif
} else {

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