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mysql_hostgroup_attributes.throttle_connections_per_sec

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Implementation of mysql_hostgroup_attributes.throttle_connections_per_sec

If mysql_hostgroup_attributes is configured,
mysql_hostgroup_attributes.throttle_connections_per_sec has higher
priority than global variable mysql-throttle_connections_per_sec_to_hostgroup
pull/4091/head
René Cannaò 3 years ago
parent 7b00d05233
commit dcf9a4a362
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File

7
lib/MySQL_HostGroups_Manager.cpp
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@ -3169,7 +3169,12 @@ MySQL_Connection * MySrvConnList::get_random_MyConn(MySQL_Session *sess, bool ff
_myhgc->new_connections_now = 0;
}
_myhgc->new_connections_now++;
if (_myhgc->new_connections_now > (unsigned int) mysql_thread___throttle_connections_per_sec_to_hostgroup) {
unsigned int throttle_connections_per_sec_to_hostgroup = (unsigned int) mysql_thread___throttle_connections_per_sec_to_hostgroup;
if (_myhgc->attributes.configured == true) {
// mysql_hostgroup_attributes takes priority
throttle_connections_per_sec_to_hostgroup = _myhgc->attributes.throttle_connections_per_sec;
}
if (_myhgc->new_connections_now > (unsigned int) throttle_connections_per_sec_to_hostgroup) {
__sync_fetch_and_add(&MyHGM->status.server_connections_delayed, 1);
return NULL;
} else {

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