natan: > W dniu 22.12.2021 o?15:44, Wietse Venema pisze: > > natan: > >> And today I get other error: > >> Dec 22 10:38:28 mx4 postfix/proxymap[27207]: warning: connect to mysql > >> server 10.x.x.10:3307: Lost connection to MySQL server at 'reading > >> authorization packet', system error: 11 "Resource temporarily unavailable" > >> Dec 22 10:38:28 m4 postfix/cleanup[26889]: warning: > >> proxy:mysql:/etc/postfix/mysql/mysql_recipient_bcc_maps_user.cf lookup > >> error for "....@zzzzzz.com" > > You have an overloaded system. > > > > - Get need a more powerful system (or VM). > > > > - Reduce the workload (number of Postfix processes) per system. > now in system I have default_process_limit = 1400 > but server 10.x.x.10:3307 is a external mysql-galera claster > It realy problem with overloaded system fith postfix ?
In this case Postfix is (also) overloading the MySQL server. - Get a more powerful system (or VM) for the MySQL server. - Reduce the workload per MySQL server (spread the load across multiple servers). - Maybe Postfix memcache support can reduce the MySQL server load. Wietse