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wsrep Status überwachen

Als Script auf einer Cluster-Node ablegen. Gibt dauerhaft den aktuellen Wert der wsrep-Statusvariablen aus:

#!/bin/sh
watch -d -n1 -x mysql -B -e "SHOW STATUS WHERE variable_name ='wsrep_local_state_comment' OR variable_name ='wsrep_cluster_size' OR variable_name ='wsrep_incoming_addresses' OR variable_name ='wsrep_cluster_status' OR variable_name ='wsrep_connected' OR variable_name ='wsrep_ready' OR variable_name ='wsrep_local_state_uuid' OR variable_name ='wsrep_cluster_state_uuid' OR variable_name ='wsrep_last_committed' OR variable_name ='wsrep_received' OR variable_name ='wsrep_received_bytes';"

Alle wsrep%-Variablen ausgeben:

#!/bin/sh
watch -d -n1 -x mysql -B -e "SHOW STATUS WHERE variable_name like 'wsrep%'";