Fluentd
0.12
0.121.0
0.12
0.121.0
  • Introduction
  • Overview
    • Getting Started
    • Installation
    • Life of a Fluentd event
    • Support
    • FAQ
  • Use Cases
    • Centralized App Logging
    • Monitoring Service Logs
    • Data Analytics
    • Connecting to Data Storages
    • Stream Processing
    • Windows Event Collection
    • IoT Data Logger
  • Configuration
    • Config File Syntax
    • Routing Examples
    • Recipes
  • Deployment
    • Logging
    • Monitoring
    • Signals
    • RPC
    • High Availability Config
    • Failure Scenarios
    • Performance Tuning
    • Plugin Management
    • Trouble Shooting
    • Secure Forwarding
    • Fluentd UI
    • Command Line Option
  • Container Deployment
    • Docker Image
    • Docker Logging Driver
    • Docker Compose
    • Kubernetes
  • Input Plugins
    • tail
    • forward
    • secure_forward
    • udp
    • tcp
    • http
    • unix
    • syslog
    • exec
    • scribe
    • multiprocess
    • dummy
    • Others
  • Output Plugins
    • file
    • s3
    • kafka
    • forward
    • secure_forward
    • exec
    • exec_filter
    • copy
    • geoip
    • roundrobin
    • stdout
    • null
    • webhdfs
    • splunk
    • mongo
    • mongo_replset
    • relabel
    • rewrite_tag_filter
    • Others
  • Buffer Plugins
    • memory
    • file
  • Filter Plugins
    • record_transformer
    • grep
    • parser
    • stdout
  • Parser Plugins
    • regexp
    • apache2
    • apache_error
    • nginx
    • syslog
    • ltsv
    • csv
    • tsv
    • json
    • multiline
    • none
  • Formatter Plugins
    • out_file
    • json
    • ltsv
    • csv
    • msgpack
    • hash
    • single_value
  • Developer
    • Plugin Development
    • Community
    • Mailing List
    • Source Code
    • Bug Tracking
    • ChangeLog
    • Logo
  • Articles
    • Store Apache Logs into MongoDB
    • Apache To Riak
    • Store Apache Logs into Amazon S3
    • Before Install
    • Cep Norikra
    • Collect Glusterfs Logs
    • Common Log Formats
    • Docker Logging Efk Compose
    • Docker Logging
    • Filter Modify Apache
    • Forwarding Over Ssl
    • Free Alternative To Splunk By Fluentd
    • Data Collection to Hadoop (HDFS)
    • Data Analytics with Treasure Data
    • Install By Chef
    • Install By Deb
    • Install By Dmg
    • Install By Gem
    • Install By Rpm
    • Install From Source
    • Install On Beanstalk
    • Install On Heroku
    • Java
    • Kinesis Stream
    • Kubernetes Fluentd
    • Monitoring by Prometheus
    • Monitoring by Rest Api
    • Nodejs
    • Performance Tuning Multi Process
    • Performance Tuning Single Process
    • Perl
    • Php
    • Python
    • Quickstart
    • Raspberrypi Cloud Data Logger
    • Recipe Apache Logs To Elasticsearch
    • Recipe Apache Logs To Mongo
    • Recipe Apache Logs To S3
    • Recipe Apache Logs To Treasure Data
    • Recipe Cloudstack To Mongodb
    • Recipe Csv To Elasticsearch
    • Recipe Csv To Mongo
    • Recipe Csv To S3
    • Recipe Csv To Treasure Data
    • Recipe Http Rest Api To Elasticsearch
    • Recipe Http Rest Api To Mongo
    • Recipe Http Rest Api To S3
    • Recipe Http Rest Api To Treasure Data
    • Recipe Json To Elasticsearch
    • Recipe Json To Mongo
    • Recipe Json To S3
    • Recipe Json To Treasure Data
    • Recipe Nginx To Elasticsearch
    • Recipe Nginx To Mongo
    • Recipe Nginx To S3
    • Recipe Nginx To Treasure Data
    • Recipe Syslog To Elasticsearch
    • Recipe Syslog To Mongo
    • Recipe Syslog To S3
    • Recipe Syslog To Treasure Data
    • Recipe Tsv To Elasticsearch
    • Recipe Tsv To Mongo
    • Recipe Tsv To S3
    • Recipe Tsv To Treasure Data
    • Ruby
    • Scala
    • Splunk Like Grep And Alert Email
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  • Parameters
  • add_newline (Boolean, Optional, defaults to true)
  • message_key (String, Optional, defaults to "message")
  • Example

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  1. Formatter Plugins

single_value

The single_value formatter plugin output the value of a single field instead of the whole record.

This formatter is often used in conjunction with in_tail's format none.

Parameters

add_newline (Boolean, Optional, defaults to true)

Add \n to the result. If there is a trailing "\n" already, set it "false"

message_key (String, Optional, defaults to "message")

The value of this field is outputted.

Example

tag:    app.event
time:   1362020400
record: {"message":"Hello from Fluentd!"}

This incoming event is formatted to:

Hello from Fluentd!\n

If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is a open source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.

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Last updated 5 years ago

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