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ltsv

The ltsv parser plugin parses LTSV format.

Parameters

See Parse Section Configurations.

delimiter

type default version
string \t 0.14.0

The delimiter (character or string) separating LTSV values.

delimiter_pattern

type default version
regexp nil 1.2.0

The delimiter pattern of TSV values. This parameter overwrites delimiter parameter if specified.

delimiter_pattern is string type before 1.2.0.

label_delimiter

type default version
string : 0.14.0

The delimiter character between field name and value.

Example for LTSV

This incoming event:

time:2013/02/28 12:00:00\thost:192.168.0.1\treq_id:111\tuser:-

is parsed as:

time:
1362020400 (2013/02/28/ 12:00:00)

record:
{
  "host"   : "192.168.0.1",
  "req_id" : "111",
  "user"   : "-"
}

If you set null_value_pattern '-' in the configuration, user field becomes nil instead of "-".

Example with delimiter_pattern

With this configuration:

<parse>
  @type ltsv
  delimiter_pattern /\s+/
  label_delimiter =
</parse>

This incoming event:

timestamp=1362020400 host=192.168.0.1  req_id=111 user=-

is parsed as:

record:
{
  "timestamp": "1362020400",
  "host"     : "192.168.0.1",
  "req_id"   : "111",
  "user"     : "-"
}

If this article is incorrect or outdated, or omits critical information, please let us know.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