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The MySQL Cluster API Developer Guide :: 3 The MGM API :: 3.3 MGM Datatypes :: 3.3.5 The ndb_mgm_event_severity Type
3.3.6 The ndb_logevent_handle_error Type »
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3.3.5. The ndb_mgm_event_severity Type

Description.  These are the log event severities used to filter the cluster log by ndb_mgm_set_clusterlog_severity_filter(), and to filter listening to events by ndb_mgm_listen_event().

Enumeration values. 

Value Description
NDB_MGM_ILLEGAL_EVENT_SEVERITY Invalid event severity specified
NDB_MGM_EVENT_SEVERITY_ON Cluster logging is enabled
NDB_MGM_EVENT_SEVERITY_DEBUG Used for MySQL Cluster development only
NDB_MGM_EVENT_SEVERITY_INFO Informational messages
NDB_MGM_EVENT_SEVERITY_WARNING Conditions that are not errors as such, but that might require special handling
NDB_MGM_EVENT_SEVERITY_ERROR Nonfatal error conditions that should be corrected
NDB_MGM_EVENT_SEVERITY_CRITICAL Critical conditions such as device errors or out of memory errors
NDB_MGM_EVENT_SEVERITY_ALERT Conditions that require immediate attention, such as corruption of the cluster
NDB_MGM_EVENT_SEVERITY_ALL All severity levels

See Section 3.2.7.2, “ndb_mgm_set_clusterlog_severity_filter()”, and Section 3.2.1.1, “ndb_mgm_listen_event()”, for information on how this type is used by those functions.