原文地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.7/path-settings.html, 原文档版权归 www.elastic.co 所有
IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
Elasticsearch Guide [7.7] » Set up Elasticsearch » Important Elasticsearch configuration » path.data and path.logs
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path.data and path.logsedit

If you are using the .zip or .tar.gz archives, the data and logs directories are sub-folders of $ES_HOME. If these important folders are left in their default locations, there is a high risk of them being deleted while upgrading Elasticsearch to a new version.

In production use, you will almost certainly want to change the locations of the data and log folder:

path:
  logs: /var/log/elasticsearch
  data: /var/data/elasticsearch

The RPM and Debian distributions already use custom paths for data and logs.

The path.data settings can be set to multiple paths, in which case all paths will be used to store data (although the files belonging to a single shard will all be stored on the same data path):

path:
  data:
    - /mnt/elasticsearch_1
    - /mnt/elasticsearch_2
    - /mnt/elasticsearch_3
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