Update MongoDB Versions
Version Update of MongoDB
MongoDB stopped the support for versions < 5 already and will stop the support for version < 6 soon. It is suggested to update the MongoDB Server / Infrastructure.
The lowcoder application continues to operate smoothly on MongoDB version 4.4. However, to ensure compatibility with official MongoDB releases, an update is necessary. This update is specifically required for the all-in-one deployment of lowcoder, which includes MongoDB.
It is important to note that MongoDB version 5.0 and above requires the AVX (Advanced Vector Extensions) feature of the processor. While this feature is standard in all newer processors, it may not be supported by older hardware. Therefore, users with older systems might encounter issues running MongoDB 5.0+.
An incremental update procedure is possible without losing data. However, the major versions of MongoDB cannot be overjumped. You cannot jump to v 6 from v 4; you would first need to adapt to v 5.
Suppose you currently run v4 and want to update to v7- these are the necessary steps for the all-in-one docker image. If you operate a multi-image installation, adap the paths to your data location for your MongoDB and the database must be stopped before the process is started.
1) Stop Lowcoder
Stop your Lowcoder instance and wait for it to completely stop the service.
2) Create a Backup Copy of the lowcoder-stacks folder
3) Run upgrade-mongo-4x-to-5x docker compose file
4) Set MongoDB Compatibility-Version to 5
5) Stop and remove MongoDB 5 Update-Container
6) Run upgrade-mongo-5x-to-6x docker compose file
7) Set MongoDB Compatibility-Version to 6
8) Stop and remove MongoDB 6 Update-Container
9) Run upgrade-mongo-6x-to-7x docker compose file
10) Stop and remove MongoDB 7 Update-Container
As result your MongoDB is now updated to Version 7 without Data loss.
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