elasticsearchHow do I upgrade to the latest version of Elasticsearch?
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To upgrade to the latest version of Elasticsearch, you must first download the appropriate version of the software from the Elasticsearch download page.
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Once the download is complete, you can install the software either manually or using a package manager such as Homebrew.
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To manually install, you can extract the archive and run the following command to install the software:
bin/elasticsearch-plugin install <plugin-name>
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After installation is complete, you need to configure the Elasticsearch instance. This can be done by editing the
elasticsearch.yml
configuration file. -
Once the configuration is complete, you can start the Elasticsearch instance by running the following command:
bin/elasticsearch
- After the instance is running, you can check the version of Elasticsearch by running the following command:
curl -XGET localhost:9200
- The output should include a version field which displays the version of Elasticsearch that is running.
{
"name" : "elasticsearch-node",
"cluster_name" : "elasticsearch",
"cluster_uuid" : "I1ZqD1q8RV6VX2-sjGKG8Q",
"version" : {
"number" : "7.8.1",
"build_flavor" : "default",
"build_type" : "tar",
"build_hash" : "1a2f265",
"build_date" : "2020-07-20T05:20:23.084789Z",
"build_snapshot" : false,
"lucene_version" : "8.5.1",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
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