logstash 处理MySQL慢日志后，所有内容都在一个message字段不拆分

input {

        file {

                type => "mysql-slow"

                path => "/tmp/slows.log"

                codec => multiline {

                        pattern => "^# Time:"

                        negate => true

                        what => "previous"

                }

        }

}

filter {

        if [ type ] == "mysql-slow" {

                grok {

                        match => { "message" => "SELECT SLEEP" }

                        add_tag => [ "sleep_drop" ]

                }

                if "sleep_drop" in [tags] {

                        drop {}

                }

                grok {

                    "message" => "(?m)^#\s+Time\s?.*\s+#\s+User@Host:\s+%{USER:user}\[[^\]]+\]\s+@\s+(?:(?<clienthost>\S*) )?\[(?:%{IPV4:clientip})?\]\s+Id:\s+%{NUMBER:row_id:int}\n#\s+Query_time:\s+%{NUMBER:query_time:float}\s+Lock_time:\s+%{NUMBER:lock_time:float}\s+Rows_sent:\s+%{NUMBER:rows_sent:int}\s+Rows_examined:\s+%{NUMBER:rows_examined:int}\n\s*(?:use %{DATA:database};\s*\n)?SET\s+timestamp=%{NUMBER:timestamp};\n\s*(?<sql>(?<action>\w+)([\w.*\W.*])*;)\s*$"    

                }

        }

}