Why is Akonadi so heavy? Are there any plans for a lighter solution?

Hello KDE Community! I am a user of KDE’s Akonadi/Kontact apps for KMail, KOrganizer, KAddressBook and noticed in the system monitor that these services use ~1.0 GiB after all my accounts are set up. Why does Akonadi use so much RAM/resources? Are there any plans to create a lighter backend to keep those fantastic apps going, but without so much of a toll on system resources?

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Which database backend for Akonadi are you using?

I think I just use the default so I think that’s MySQL

In my case, I have a whopping 18 akonadi processes running using a whopping 460MB of memory. Additionally, I was originally using MySQL on the backend and this alone used over 750MB of memory, bringing the total of these related processes to over 1.2GB. I have since switched the backend to SQLite and the database memory usage is now gone. Assuming you’re using modern NVMe storage, you might want to consider this move as well.