Not sure what all of them are but UDF is where you put custom data functions 
(jar files).



Im guessing the same for triggers?



Thanks 

Trevor Hart

Ope Limited

w: http://www.ope.nz/

m: +64212728039








---- On Thu, 13 Jul 2023 00:45:40 +1200 Christofer Dutz 
<[email protected]> wrote ---



Hi, 
 
so playing around with IoTDB running in embedded mode, I noticed that it 
creates a directory “data” which totally makes sense to me, as it contains all 
the data. 
However it also creates a whole tree under “ext” which just seems to contain 
loads of empty directories. 
What’s the purpose of these and could we prevent them from being created, if 
they are not needed? 
 
ext 
 /pipe 
 /install 
 /tmp 
 /trigger 
 /install 
 /tmp 
 /udf 
 /install 
 /tmp 
 
 
Chris

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