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Elastic (view source)

Revision as of 17:56, 14 August 2018

1,952 bytes added ,  17:56, 14 August 2018
→‎Snapshots
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  service elasticsearch start
 
  service elasticsearch start
    +
== migration from 1.x to higher ==
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upgrade to 2.4 and install plugin<syntaxhighlight lang="bash">
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yum upgrade elasticsearch --enablerepo=elastic2
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service elasticsearch restart
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cd /usr/share/elasticsearch
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./bin/plugin install https://github.com/elastic/elasticsearch-migration/releases/download/v2.0.4/elasticsearch-migration-2.0.4.zip
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</syntaxhighlight>run a tunnel from your computer<syntaxhighlight lang="bash">
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ssh -L 9200:localhost:9200 user@yourserver
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</syntaxhighlight>use your favourite browser to fix things and migrate  <nowiki>http://localhost:9200/_plugin/elasticsearch-migration</nowiki>
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then delete plugin and upgrade to 5.x or 6.x<syntaxhighlight lang="bash">
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cd /usr/share/elasticsearch
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rm plugin/elasticsearch-migration -rf
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yum update elasticsearch --enablerepo=elastic5.x
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service elasticsearch restart
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</syntaxhighlight>
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reference https://github.com/elastic/elasticsearch-migration/tree/2.x
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== Snapshots ==
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preparing for snapshots<syntaxhighlight lang="bash">
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mkdir /home/e-smith/db/elasticsearch
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chown elasticsearch:elasticsearch /home/e-smith/db/elasticsearch/
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echo "">> /etc/elasticsearch/elasticsearch.yml
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echo 'path.repo: ["/home/e-smith/db/elasticsearch"]' >> /etc/elasticsearch/elasticsearch.yml
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service elasticsearch restart
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curl -XPUT 'http://localhost:9200/_snapshot/my_backup' -H 'Content-Type: application/json' -d '{
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    "type": "fs",
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    "settings": {
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        "location": "/home/e-smith/db/elasticsearch",
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        "compress": true
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    }
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}PUT /_snapshot/my_backup'
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</syntaxhighlight>making a snapshot. <syntaxhighlight lang="bash">
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curl -XPUT 'http://localhost:9200/_snapshot/my_backup/snapshot1?wait_for_completion=true'
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</syntaxhighlight>restore all indices, but not the state.<syntaxhighlight lang="bash">
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curl -XPUT 'http://localhost:9200/_snapshot/my_backup/snapshot1/_restore'
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</syntaxhighlight>
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references and more options : https://www.elastic.co/guide/en/elasticsearch/reference/5.5/modules-snapshots.html
    
==notes==
 
==notes==
Unnilennium
Super Admin, Wiki & Docs Team, Bureaucrats, Interface administrators, Administrators
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