3,254
edits
Changes
Jump to navigation
Jump to search
Line 17:
Line 17: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
no edit summary
service elasticsearch start
service elasticsearch start
== migration from 1.x to higher ==
upgrade to 2.4 and install plugin<syntaxhighlight lang="bash">
yum upgrade elasticsearch --enablerepo=elastic2
service elasticsearch restart
cd /usr/share/elasticsearch
./bin/plugin install https://github.com/elastic/elasticsearch-migration/releases/download/v2.0.4/elasticsearch-migration-2.0.4.zip
</syntaxhighlight>run a tunnel to your computer<syntaxhighlight lang="bash">
ssh -L 9200:localhost:9200 user@yourserver
</syntaxhighlight>use your favourite browser to fix things and migrate <nowiki>http://localhost:9200/_plugin/elasticsearch-migration</nowiki>
then delete plugin and upgrade to 5.x or 6.x<syntaxhighlight lang="bash">
cd /usr/share/elasticsearch
rm plugin/elasticsearch-migration -rf
yum update elasticsearch --enablerepo=elastic5.x
service elasticsearch restart
</syntaxhighlight>
reference https://github.com/elastic/elasticsearch-migration/tree/2.x
== Snapshots ==
preparing for snapshots<syntaxhighlight lang="bash">
mkdir /home/e-smith/db/elasticsearch
chown elasticsearch:elasticsearch /home/e-smith/db/elasticsearch/
echo "">> /etc/elasticsearch/elasticsearch.yml
echo "path.repo: ["/home/e-smith/db/elasticsearch"]" >> /etc/elasticsearch/elasticsearch.yml
service elasticsearch restart
curl -XPUT 'http://localhost:9200/_snapshot/my_backup' -H 'Content-Type: application/json' -d '{
"type": "fs",
"settings": {
"location": "/home/e-smith/db/elasticsearch",
"compress": true
}
}PUT /_snapshot/my_backup'
</syntaxhighlight>making a snapshot. <syntaxhighlight lang="bash">
curl -XPUT 'http://localhost:9200/_snapshot/my_backup/snapshot1?wait_for_completion=true'
</syntaxhighlight>restore all indices, but not the state.<syntaxhighlight lang="bash">
curl -XPUT 'http://localhost:9200/_snapshot/my_backup/snapshot1/_restore'
</syntaxhighlight>
references and more options : https://www.elastic.co/guide/en/elasticsearch/reference/5.5/modules-snapshots.html
==notes==
==notes==