May 6 22:55:15 zabbix_server[8887]: In DBupdate_itservices()
May 6 22:55:15 zabbix_server[8887]: In its_flush_updates()
May 6 22:55:15 zabbix_server[8887]: In its_load_services_by_triggerids()
May 6 22:55:15 zabbix_server[8887]: query [txnlev:1] [select serviceid,triggerid,status,algorithm from services where triggerid in (19407,1237656,1237662,1237959,1238091,1238207,1238264,1238409,1238434,1238679,1238705,1238733,1690422,1705162)]
May 6 22:55:15 zabbix_server[8887]: In its_itservices_load_parents()
May 6 22:55:15 zabbix_server[8887]: query [txnlev:1] [select s.serviceid,s.status,s.algorithm,sl.servicedownid from services s,services_links sl where s.serviceid=sl.serviceupid and sl.servicedownid in (28,29,30,32)]
May 6 22:55:15 zabbix_server[8887]: In its_itservices_load_parents()
May 6 22:55:15 zabbix_server[8887]: query [txnlev:1] [select s.serviceid,s.status,s.algorithm,sl.servicedownid from services s,services_links sl where s.serviceid=sl.serviceupid and sl.servicedownid in (13,14,15,31)]
May 6 22:55:15 zabbix_server[8887]: In its_itservices_load_parents()
May 6 22:55:15 zabbix_server[8887]: query [txnlev:1] [select s.serviceid,s.status,s.algorithm,sl.servicedownid from services s,services_links sl where s.serviceid=sl.serviceupid and sl.servicedownid=12]
May 6 22:55:15 zabbix_server[8887]: End of its_itservices_load_parents()
May 6 22:55:15 zabbix_server[8887]: End of its_itservices_load_parents()
May 6 22:55:15 zabbix_server[8887]: End of its_itservices_load_parents()
May 6 22:55:15 zabbix_server[8887]: In its_itservices_load_children()
May 6 22:55:15 zabbix_server[8887]: query [txnlev:1] [select s.serviceid,s.status,s.algorithm,sl.serviceupid from services s,services_links sl where s.serviceid=sl.servicedownid and sl.serviceupid in (12,13,14,15,31)]
May 6 22:55:15 zabbix_server[8887]: End of its_itservices_load_children()
May 6 22:55:15 zabbix_server[8887]: End of its_load_services_by_triggerids()

and nothing more for a few hours, till server restart