- Logstash Reference: other versions:
- Logstash Reference
- Logstash Introduction
- Getting Started with Logstash
- Package Repositories
- Breaking changes
- Upgrading Logstash
- Configuring Logstash
- Working with plugins
- Contributing to Logstash
- Logstash Plugins Community Maintainer Guide
- Contribution Guidelines
- Document Goals
- Development Workflow
- Versioning Plugins
- Logging
- Contributor License Agreement (CLA) Guidance
- Community Administration
- How to write a Logstash {plugintype} plugin
- How to write a Logstash input plugin
- How to write a Logstash codec plugin
- How to write a Logstash filter plugin
- Input plugins
- beats
- couchdb_changes
- drupal_dblog
- elasticsearch
- exec
- eventlog
- file
- ganglia
- gelf
- generator
- graphite
- github
- heartbeat
- heroku
- http
- http_poller
- irc
- imap
- jdbc
- jmx
- kafka
- log4j
- lumberjack
- meetup
- pipe
- puppet_facter
- relp
- rss
- rackspace
- rabbitmq
- redis
- salesforce
- snmptrap
- stdin
- sqlite
- s3
- sqs
- stomp
- syslog
- tcp
- unix
- udp
- varnishlog
- wmi
- websocket
- xmpp
- zenoss
- zeromq
- Output plugins
- boundary
- circonus
- csv
- cloudwatch
- datadog
- datadog_metrics
- elasticsearch
- elasticsearch_java
- exec
- file
- google_bigquery
- google_cloud_storage
- ganglia
- gelf
- graphtastic
- graphite
- hipchat
- http
- irc
- influxdb
- juggernaut
- jira
- kafka
- lumberjack
- librato
- loggly
- mongodb
- metriccatcher
- nagios
- null
- nagios_nsca
- opentsdb
- pagerduty
- pipe
- riemann
- redmine
- rackspace
- rabbitmq
- redis
- riak
- s3
- sqs
- stomp
- statsd
- solr_http
- sns
- syslog
- stdout
- tcp
- udp
- webhdfs
- websocket
- xmpp
- zabbix
- zeromq
- Filter plugins
- aggregate
- alter
- anonymize
- collate
- csv
- cidr
- clone
- cipher
- checksum
- date
- de_dot
- dns
- drop
- elasticsearch
- extractnumbers
- environment
- elapsed
- fingerprint
- geoip
- grok
- i18n
- json
- json_encode
- kv
- mutate
- metrics
- multiline
- metaevent
- prune
- punct
- ruby
- range
- syslog_pri
- sleep
- split
- throttle
- translate
- uuid
- urldecode
- useragent
- xml
- zeromq
- Codec plugins
IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Logging
editLogging
editAlthough it’s important not to bog down performance with excessive logging, debug level logs can be immensely helpful when diagnosing and troubleshooting issues with Logstash. Please remember to liberally add debug logs wherever it makes sense as users will be forever gracious.
@logger.debug("Logstash loves debug logs!", :actions => actions)
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