Logging.yml to enable a SocketAppender, which will be used to talk to Logstash

gistfile1.yml

rootLogger: INFO, console, file, socketappender
logger:
  # log action execution errors for easier debugging
  action: DEBUG
  # reduce the logging for aws, too much is logged under the default INFO
  com.amazonaws: WARN

  # gateway
  #gateway: DEBUG
  #index.gateway: DEBUG

  # peer shard recovery
  #indices.recovery: DEBUG

  # discovery
  #discovery: TRACE

  index.search.slowlog: TRACE, index_search_slow_log_file
  index.indexing.slowlog: TRACE, index_indexing_slow_log_file

additivity:
  index.search.slowlog: false
  index.indexing.slowlog: false

appender:
  console:
    type: console
    layout:
      type: consolePattern
      conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"

  file:
    type: dailyRollingFile
    file: ${path.logs}/${cluster.name}.log
    datePattern: "'.'yyyy-MM-dd"
    layout:
      type: pattern
      conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"

  index_search_slow_log_file:
    type: dailyRollingFile
    file: ${path.logs}/${cluster.name}_index_search_slowlog.log
    datePattern: "'.'yyyy-MM-dd"
    layout:
      type: pattern
      conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"

  index_indexing_slow_log_file:
    type: dailyRollingFile
    file: ${path.logs}/${cluster.name}_index_indexing_slowlog.log
    datePattern: "'.'yyyy-MM-dd"
    layout:
      type: pattern
      conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"

  socketappender:
    type: org.apache.log4j.net.SocketAppender
    port: 9500
    remoteHost: localhost
    layout:
        type: pattern
        conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"