Hi there,

currently I'm trying to use H2 as a buffer for some read mostly tables in 
an external PostgresSQL database.

The smallest of my data-sources (<VARCHAR, VARCHAR, INT>) got a size of 
around 110MB on disk managed by postgres.
Now I'm a bit curious, because I can't see why H2 needs around 850 MB to 
represent that data in main memory.
In addition to the default memory mode, I also tried to use ..:memFS or 
...memLZF, but couldn't decrease the memory consumption much.

My problem is, that I got some much bigger data-sources as well that I have 
to put into main memory.
 
Thanks and best regards,

Sebastian

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