14218:20180822:134801.767 listener #3 [waiting for connection]
 14216:20180822:134801.803 Requested [mysql.threads]
 14216:20180822:134801.804 In zbx_popen() command:'mysqladmin -uzabbix -ppassw status|cut -f3 -d":"|cut -f2 -d" "'
 14216:20180822:134801.804 End of zbx_popen():7
 18390:20180822:134801.804 zbx_popen(): executing script
 14219:20180822:134801.811 In send_buffer() host:'zabbix.torg' port:10051 values:0/100
 14219:20180822:134801.811 End of send_buffer():SUCCEED
 14219:20180822:134801.811 active checks #1 [idle 1 sec]
.mysqladmin: connect to server at 'localhost' failed
error: 'Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (13)'
Check that mysqld is running and that the socket: '/var/lib/mysql/mysql.sock' exists!
 14216:20180822:134801.813 In zbx_waitpid()
 14216:20180822:134801.813 zbx_waitpid() exited, status:0
 14216:20180822:134801.813 End of zbx_waitpid():18390
 14216:20180822:134801.813 Run remote command [mysqladmin -uzabbix -ppassw status|cut -f3 -d":"|cut -f2 -d" "] Result [0] []...
 14216:20180822:134801.813 Sending back []

[WARN]    Some indexes are unused since last statistics: proxy_history_1 alerts_2 alerts_6 alerts_5 maintenances_windows_1 maintenances_windows_2 maintenances_hosts_1 maintenances_2 icon_mapping_1 icon_mapping_2 icon_map_1 icon_map_2 opcommand_hst_1 proxy_dhistory_1 slides_1 slides_2 services_times_1 proxy_autoreg_host_1 slideshows_1 item_application_prototype_1 sysmap_usrgrp_1 sysmap_user_1 slideshow_user_1 slideshow_usrgrp_1 actions_1 actions_2 autoreg_host_1 config_2 maintenances_groups_1 maintenances_groups_2 opcommand_grp_1 opcommand_grp_2 opcommand_1 config_1 application_prototype_2 application_discovery_2 drules_1 drules_2 globalmacro_1 graph_theme_1 group_prototype_1 groups_1 httpstep_1 httpstepitem_1 httpstepitem_2 httptestitem_1 item_condition_1 mappings_1 media_1 media_type_1 operations_1 opgroup_1 opgroup_2 opmessage_grp_1 opmessage_grp_2 opmessage_usr_1 opmessage_usr_2 optemplate_2 regexps_1 problem_tag_2 screens_1 scripts_1 corr_operation_1 scripts_2 corr_condition_group_1 scripts_3 corr_condition_1 service_alarms_1 service_alarms_2 services_1 services_links_1 services_links_2 sysmap_element_url_1 sysmap_url_1 sysmaps_1 sysmaps_2 sysmaps_3 sysmaps_elements_1 correlation_2 sysmaps_elements_2 sysmaps_elements_3 sysmaps_elements_4 sysmaps_elements_5 sysmaps_link_triggers_1 sysmaps_link_triggers_2 sysmaps_links_1 sysmaps_links_2 sysmaps_links_3 users_1 usrgrp_1 valuemaps_1 acknowledges_1 acknowledges_3 opmessage_1 images_1 interface_2 httptest_3 httptest_1 httptest_4 auditlog_details_1 sessions_1 hosts_5 auditlog_2 auditlog_1 problem_2 items_3 items_5 event_recovery_2