OpenSearch/docs/reference/modules/indices/indexing_buffer.asciidoc
James Rodewig 43ef469570
[DOCS] Relocate indices module content (#54903) (#57413)
Moves `indices` content from the [Modules][0] section to the [Configuring
Elasticsearch][1] section.

Also removes the [Indices][2] landing page and adds a related redirect.

[0]: https://www.elastic.co/guide/en/elasticsearch/reference/master/modules.html
[1]: https://www.elastic.co/guide/en/elasticsearch/reference/master/settings.html
[2]: https://www.elastic.co/guide/en/elasticsearch/reference/master/modules-indices.html
2020-06-01 09:44:32 -04:00

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[[indexing-buffer]]
=== Indexing buffer settings
The indexing buffer is used to store newly indexed documents. When it fills
up, the documents in the buffer are written to a segment on disk. It is divided
between all shards on the node.
The following settings are _static_ and must be configured on every data node
in the cluster:
`indices.memory.index_buffer_size`::
Accepts either a percentage or a byte size value. It defaults to `10%`,
meaning that `10%` of the total heap allocated to a node will be used as the
indexing buffer size shared across all shards.
`indices.memory.min_index_buffer_size`::
If the `index_buffer_size` is specified as a percentage, then this
setting can be used to specify an absolute minimum. Defaults to `48mb`.
`indices.memory.max_index_buffer_size`::
If the `index_buffer_size` is specified as a percentage, then this
setting can be used to specify an absolute maximum. Defaults to unbounded.