= memcached
:type: cache
:status: stable



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// © 2024 Redpanda Data Inc.


component_type_dropdown::[]


Connects to a cluster of memcached services, a prefix can be specified to allow multiple cache types to share a memcached cluster under different namespaces.


[tabs]
======
Common::
+
--

```yml
# Common config fields, showing default values
label: ""
memcached:
  addresses: [] # No default (required)
  prefix: "" # No default (optional)
  default_ttl: 300s
```

--
Advanced::
+
--

```yml
# All config fields, showing default values
label: ""
memcached:
  addresses: [] # No default (required)
  prefix: "" # No default (optional)
  default_ttl: 300s
  retries:
    initial_interval: 1s
    max_interval: 5s
    max_elapsed_time: 30s
```

--
======

== Fields

=== `addresses`

A list of addresses of memcached servers to use.


*Type*: `array`


=== `prefix`

An optional string to prefix item keys with in order to prevent collisions with similar services.


*Type*: `string`


=== `default_ttl`

A default TTL to set for items, calculated from the moment the item is cached.


*Type*: `string`

*Default*: `"300s"`

=== `retries`

Determine time intervals and cut offs for retry attempts.


*Type*: `object`


=== `retries.initial_interval`

The initial period to wait between retry attempts.


*Type*: `string`

*Default*: `"1s"`

```yml
# Examples

initial_interval: 50ms

initial_interval: 1s
```

=== `retries.max_interval`

The maximum period to wait between retry attempts


*Type*: `string`

*Default*: `"5s"`

```yml
# Examples

max_interval: 5s

max_interval: 1m
```

=== `retries.max_elapsed_time`

The maximum overall period of time to spend on retry attempts before the request is aborted.


*Type*: `string`

*Default*: `"30s"`

```yml
# Examples

max_elapsed_time: 1m

max_elapsed_time: 1h
```