You can use these MongoDB upgrade scripts also on separate MongoDB servers without Countly being installed there.Ī fter that do a Regular Upgrade by running the upgrade script bin/upgrade/20.11/upgrade.sh or bin/upgrade/20.11.1/upgrade.sh depending on which version you are upgrading to.
To upgrade MongoDB from 3.6 to 4.4 you will need to run the following scripts in this order:
You may upgrade the MongoDB version yourself or rely on the provided scripts to do the upgrade, but in case you are usi ng non-standard settings or authentication, you might need to finish some steps manually. Nodejs upgrade will be handled by the upgrade script itself, but since MongoDB can exist on separate servers, there are separate scripts to upgrade to MongoDB 4.4 Since Countly 20.11 release, minimal supported MongoDB version changes to 4.4, and NodeJS version changes to 14. Before upgrading make sure you are using WiredTiger as a storage engine and migrate your data if you are not. Countly now supports only WiredTiger as a storage engine for MongoDB.
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