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Elastic Docs ›Logstash Reference [1.5] ›Logstash Reference ›Input plugins

redis

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redis

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This input will read events from a Redis instance; it supports both Redis channels and lists. The list command (BLPOP) used by Logstash is supported in Redis v1.3.1+, and the channel commands used by Logstash are found in Redis v1.3.8+. While you may be able to make these Redis versions work, the best performance and stability will be found in more recent stable versions. Versions 2.6.0+ are recommended.

For more information about Redis, see http://redis.io/

batch_count note: If you use the batch_count setting, you must use a Redis version 2.6.0 or newer. Anything older does not support the operations used by batching.

 

Synopsis

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This plugin supports the following configuration options:

Required configuration options:

redis {
}

Available configuration options:

Setting Input type Required Default value

add_field

hash

No

{}

batch_count

number

No

1

codec

codec

No

"json"

data_type

string, one of ["list", "channel", "pattern_channel"]

No

db

number

No

0

host

string

No

"127.0.0.1"

key

string

No

password

password

No

port

number

No

6379

tags

array

No

threads

number

No

1

timeout

number

No

5

type

string

No

Details

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add_field

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  • Value type is hash
  • Default value is {}

Add a field to an event

batch_count

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  • Value type is number
  • Default value is 1

The number of events to return from Redis using EVAL.

charset (DEPRECATED)

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  • DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
  • Value can be any of: ASCII-8BIT, Big5, Big5-HKSCS, Big5-UAO, CP949, Emacs-Mule, EUC-JP, EUC-KR, EUC-TW, GB18030, GBK, ISO-8859-1, ISO-8859-2, ISO-8859-3, ISO-8859-4, ISO-8859-5, ISO-8859-6, ISO-8859-7, ISO-8859-8, ISO-8859-9, ISO-8859-10, ISO-8859-11, ISO-8859-13, ISO-8859-14, ISO-8859-15, ISO-8859-16, KOI8-R, KOI8-U, Shift_JIS, US-ASCII, UTF-8, UTF-16BE, UTF-16LE, UTF-32BE, UTF-32LE, Windows-1251, GB2312, IBM437, IBM737, IBM775, CP850, IBM852, CP852, IBM855, CP855, IBM857, IBM860, IBM861, IBM862, IBM863, IBM864, IBM865, IBM866, IBM869, Windows-1258, GB1988, macCentEuro, macCroatian, macCyrillic, macGreek, macIceland, macRoman, macRomania, macThai, macTurkish, macUkraine, CP950, CP951, stateless-ISO-2022-JP, eucJP-ms, CP51932, GB12345, ISO-2022-JP, ISO-2022-JP-2, CP50220, CP50221, Windows-1252, Windows-1250, Windows-1256, Windows-1253, Windows-1255, Windows-1254, TIS-620, Windows-874, Windows-1257, Windows-31J, MacJapanese, UTF-7, UTF8-MAC, UTF-16, UTF-32, UTF8-DoCoMo, SJIS-DoCoMo, UTF8-KDDI, SJIS-KDDI, ISO-2022-JP-KDDI, stateless-ISO-2022-JP-KDDI, UTF8-SoftBank, SJIS-SoftBank, BINARY, CP437, CP737, CP775, IBM850, CP857, CP860, CP861, CP862, CP863, CP864, CP865, CP866, CP869, CP1258, Big5-HKSCS:2008, eucJP, euc-jp-ms, eucKR, eucTW, EUC-CN, eucCN, CP936, ISO2022-JP, ISO2022-JP2, ISO8859-1, CP1252, ISO8859-2, CP1250, ISO8859-3, ISO8859-4, ISO8859-5, ISO8859-6, CP1256, ISO8859-7, CP1253, ISO8859-8, CP1255, ISO8859-9, CP1254, ISO8859-10, ISO8859-11, CP874, ISO8859-13, CP1257, ISO8859-14, ISO8859-15, ISO8859-16, CP878, CP932, csWindows31J, SJIS, PCK, MacJapan, ASCII, ANSI_X3.4-1968, 646, CP65000, CP65001, UTF-8-MAC, UTF-8-HFS, UCS-2BE, UCS-4BE, UCS-4LE, CP1251, external, locale
  • There is no default value for this setting.

The character encoding used in this input. Examples include UTF-8 and cp1252

This setting is useful if your log files are in Latin-1 (aka cp1252) or in another character set other than UTF-8.

This only affects plain format logs since json is UTF-8 already.

codec

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  • Value type is codec
  • Default value is "json"

The codec used for input data. Input codecs are a convenient method for decoding your data before it enters the input, without needing a separate filter in your Logstash pipeline.

data_type

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  • Value can be any of: list, channel, pattern_channel
  • There is no default value for this setting.

Specify either list or channel. If redis\_type is list, then we will BLPOP the key. If redis\_type is channel, then we will SUBSCRIBE to the key. If redis\_type is pattern_channel, then we will PSUBSCRIBE to the key. TODO: change required to true

db

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  • Value type is number
  • Default value is 0

The Redis database number.

debug (DEPRECATED)

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  • DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
  • Value type is boolean
  • Default value is false

format (DEPRECATED)

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  • DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
  • Value can be any of: plain, json, json_event, msgpack_event
  • There is no default value for this setting.

The format of input data (plain, json, json_event)

host

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  • Value type is string
  • Default value is "127.0.0.1"

The hostname of your Redis server.

key

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  • Value type is string
  • There is no default value for this setting.

The name of a Redis list or channel. TODO: change required to true

message_format (DEPRECATED)

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  • DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
  • Value type is string
  • There is no default value for this setting.

If format is json, an event sprintf string to build what the display @message should be given (defaults to the raw JSON). sprintf format strings look like %{fieldname}

If format is json_event, ALL fields except for @type are expected to be present. Not receiving all fields will cause unexpected results.

name (DEPRECATED)

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  • DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
  • Value type is string
  • Default value is "default"

The name configuration is used for logging in case there are multiple instances. This feature has no real function and will be removed in future versions.

password

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  • Value type is password
  • There is no default value for this setting.

Password to authenticate with. There is no authentication by default.

port

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  • Value type is number
  • Default value is 6379

The port to connect on.

queue (DEPRECATED)

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  • DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
  • Value type is string
  • There is no default value for this setting.

The name of the Redis queue (we’ll use BLPOP against this). TODO: remove soon.

tags

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  • Value type is array
  • There is no default value for this setting.

Add any number of arbitrary tags to your event.

This can help with processing later.

threads

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  • Value type is number
  • Default value is 1

timeout

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  • Value type is number
  • Default value is 5

Initial connection timeout in seconds.

type

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  • Value type is string
  • There is no default value for this setting.

Add a type field to all events handled by this input.

Types are used mainly for filter activation.

The type is stored as part of the event itself, so you can also use the type to search for it in Kibana.

If you try to set a type on an event that already has one (for example when you send an event from a shipper to an indexer) then a new input will not override the existing type. A type set at the shipper stays with that event for its life even when sent to another Logstash server.

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