I tried to use nested rules to sort bad quality OCR'ed pdfs, but this seems to crash / slow down Hazel a lot.
e.g. using this ruleset and trying out preview on a folder with two files takes >2min

Hazel is 4.06.
This is from the Log file:
/Users/XXXXX/Documents/Workflows/Scans - Incoming/1 Category processed in 160.527860 seconds
Restarting didn't help.
I switched on the DEBUG mode but the log is not clear for me. It contains lines as (XXXX was my username):
2016-10-31 12:34:01.739 HazelHelper[389] DEBUG: Thread 0x7fafc3c06af0: Timer fired for folder: /Users/XXXXX/Documents/Workflows/Scans - Incoming/1 Category
2016-10-31 12:34:01.739 HazelHelper[389] DEBUG: Thread 0x7fafc3c06af0: Run worker for folder: /Users/XXXXX/Documents/Workflows/Scans - Incoming/1 Category
2016-10-31 12:34:01.805 hazelworker[73446] ###main load address: 0x1073ff000
2016-10-31 12:34:01.811 hazelworker[73446] ###Noodle load address: 0x10751d000
2016-10-31 12:34:01.817 hazelworker[73446] ###CK load address: 0x1074e0000
2016-10-31 12:34:01.842 hazelworker[73446] DEBUG: Program is licensed.
which might represent a crash?
Do I ask too much from Hazel and need simpler rules?
Thanks