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Storage Plugins
Fluentd has nine (9) types of plugins:
This article gives an overview of Storage Plugin.

Overview

Sometimes, the input/filter/output plugin needs to save its internal state in memory, storage, or key-value store. Fluentd has a pluggable system called Storage that lets a plugin store and reuse its internal state as key-value pairs.

How To Use

For an input, an output, and filter plugin that supports Storage, the <storage> directive can be used to store key-value pair into a key-value store such as a JSON file, MongoDB, Redis, etc.
Here is an example with in_sample:
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<source>
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@type sample
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tag docs.fluentd.storage
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<storage awesome_path>
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@type my_custom_storage
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</storage>
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</source>
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List of Built-in Storage

List of Core Plugins with Storage support

List of 3rd party storage plugins

NOTE: This 3rd party storage plugin list does not fully covers all of them.

List of 3rd party Plugins with Storage support

NOTE: This 3rd party plugin list does not fully covers all of them.
If this article is incorrect or outdated, or omits critical information, please let us know.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.
Last modified 3mo ago