The following node alerts and events can appear in syslog.

UI alerts

Logged alerts that appear in the UI

Alert code name Alert as shown in the UI Severity Notes
aof_slow_disk_io Redis performance is degraded as result of disk I/O limits true: error
false: info
cpu_utilization CPU utilization has reached % true: warning
false: info
Has global_threshold parameter in the key/value section of the log entry.
ephemeral_storage Ephemeral storage has reached % of its capacity true: warning
false: info
Has global_threshold parameter in the key/value section of the log entry.
failed Node failed critical
free_flash Flash storage has reached % of its capacity true: warning
false: info
Has global_threshold parameter in the key/value section of the log entry.
insufficient_disk_aofrw Node has insufficient disk space for AOF rewrite true: error
false: info
memory Node memory has reached % of its capacity true: warning
false: info
Has global_threshold parameter in the key/value section of the log entry.
net_throughput Network throughput has reached MB/s true: warning
false: info
Has global_threshold parameter in the key/value section of the log entry.
persistent_storage Persistent storage has reached % of its capacity true: warning
false: info
Has global_threshold parameter in the key/value section of the log entry.

Non-UI events

Logged events that do not appear in the UI

Event code name Severity Notes
checks_error error Indicates that one or more node checks have failed
node_abort_remove_request info
node_remove_request info