logstash 利用drop 丢弃过滤日志
input { stdin { } } filter { grok { match => ["message","\s*%{TIMESTAMP_ISO8601}\s+(?<Level>(\S+)).*"] } if [Level] == "DEBUG" { drop {} } if [Level] == "INFO" { drop {} } } output { stdout { codec=>rubydebug{} } } ~ 利用drop 丢弃过滤日志