Max level supported?

[hyperknot]

What is the officially supported max level? In my experience level <= 16 works perfectly, but 17 and 18 is mostly failing.

Should I limit my website to use max_level=16 with OTM?

BTW, thanks so much for keeping this amazing service running!

[max-dn]

Level 18 doesn't exist and should fail every time... Level 17 exists, but is that one which is deleted first when space runs out (which happens every few days). So most times level 17 tiles have to be rendered fresh, what sometimes fails. You don't have to limit your website, but the likelihood of failures increases with zoom levels.

[hyperknot]

Thanks!