filldown
Use the filldown command to carry the last non-null value
forward to fill gaps. You can specify field names or use wildcards. If you
do not specify fields, all fields are filled.
Syntax
| filldown [field1[field2...]]
The command uses the following arguments:
-
(Optional) – One or more field names or wildcard patterns. If omitted, all fields are filled.field
Example
The following query carries forward non-null values in the
host field and all fields matching
cpu*.
fields @timestamp, host, cpu_user, cpu_system | filldown host cpu*