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elasticsearch/docs/reference/elasticsearch-plugins/repository-hdfs-usage.md
Liam Thompson b98606e712
[9.0] [docs] Migrate docs from AsciiDoc to Markdown (#123507) (#124124) 
* [docs] Migrate docs from AsciiDoc to Markdown (#123507)

* delete asciidoc files

* add migrated files

* fix errors

* Disable docs tests

* Clarify release notes page titles

* Revert "Clarify release notes page titles"

This reverts commit 8be688648d.

* Comment out edternal URI images

* Clean up query languages landing pages, link to conceptual docs

* Add .md to url

* Fixes inference processor nesting.

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Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: Liam Thompson <leemthompo@gmail.com>
Co-authored-by: Martijn Laarman <Mpdreamz@gmail.com>
Co-authored-by: István Zoltán Szabó <szabosteve@gmail.com>
(cherry picked from commit b7e3a1e14b)

# Conflicts:
#	docs/build.gradle
#	docs/reference/migration/index.asciidoc
#	docs/reference/migration/migrate_9_0.asciidoc
#	docs/reference/release-notes.asciidoc
#	docs/reference/release-notes/9.0.0.asciidoc
#	docs/reference/release-notes/highlights.asciidoc

* Fix build file

* Really fix build file

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Co-authored-by: Colleen McGinnis <colleen.j.mcginnis@gmail.com>
2025-03-06 07:53:46 +01:00

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https://www.elastic.co/guide/en/elasticsearch/plugins/current/repository-hdfs-usage.html

Getting started with HDFS [repository-hdfs-usage]

The HDFS snapshot/restore plugin is built against the latest Apache Hadoop 2.x (currently 2.7.1). If the distro you are using is not protocol compatible with Apache Hadoop, consider replacing the Hadoop libraries inside the plugin folder with your own (you might have to adjust the security permissions required).

Even if Hadoop is already installed on the Elasticsearch nodes, for security reasons, the required libraries need to be placed under the plugin folder. Note that in most cases, if the distro is compatible, one simply needs to configure the repository with the appropriate Hadoop configuration files (see below).

Windows Users
Using Apache Hadoop on Windows is problematic and thus it is not recommended. For those really wanting to use it, make sure you place the elusive winutils.exe under the plugin folder and point HADOOP_HOME variable to it; this should minimize the amount of permissions Hadoop requires (though one would still have to add some more).