...
We started with Elasticsearch back in its 0.x releases. Fortunately the project thrived and has proven very popular. Many of our customers are using it independently, unrelated to Caringo Swarm.
https://twitter.com/kimchy/status/1331273199364038663
"Searchable snapshots is one of Elasticsearch biggest features that came out in the last few years."
--Shay Banon, creater of elasticsearch
...
Upgrading Elasticsearch 6 => 7
https://connect.caringo.com/system/files/docs/swarm/page1599668237.htmlUpgrading Elasticsearch
Btw I'm using Caringo Demo Containers because it's easy and I can run a
realistic environment all on my laptop. Just tweaked a bit to use
systemd so I can demo the simple in place upgrade:
https://caringo.atlassian.net/servicedesk/customer/portal/1/article/1335885844Running the caringo:demo containers
Verify it's at Elasticsearch 6
...
curl http://elasticsearch:9200curl http://elasticsearch:9200/_cat/nodes?v
Note Caringo that Swarm supports only 7.5.2 at this time due to a minor compatibility issue. Support for 7.10 should come soon in 2021. It will be another simple in-place upgrade.
...
Elasticsearch, like most databases today, can make snapshots to and restore from object storage.
https://connect.caringo.com/system/files/docs/swarm/page452952220.htmlSnapshot and Restore Search Data
More info:
https://medium.com/swlh/elasticsearch7-backup-snapshot-restore-aws-s3-54a581c75589
...
Now to create a new Elasticsearch 7.10. Note this is totally independent of the 7.5.2 cluster from where a snapshot was made to Caringo Swarm at http://backup42.
...