[Qgis-user] QGIS Server Cache Strategy

[Michael Hälsig]

Hi,
I am using QGIS Server 3.26.1 on Debian Bullseye. In the log I find the message

'WARNING Server[23950]: Invalid cache strategy, expecting 'filesystem', 
'periodic' or 'off'.'

I could ignore this (only warning) - but I would like to know how to set the 
cache strategy. What means cache strategy 'periodic'? I have set the 
environment variables QGIS_SERVER_CACHE_DIRECTORY=<..> and 
QGIS_SERVER_CACHE_SIZE=<...>, but this did not change anything. 

Any hints?

Kind regards
Michael Hälsig