Here are my SETIQ settings:
Queue processing settings
Processing Priority
Download WorkUnits
Processing Times
00:01 - 23:59
Inter-WU download gap
1 minutes
Inter-WU VLAR gap
1 minutes
Look for sweet WUs
disabled
Max delay between retries
10 minutes
Override for pass-through operations
enabled
Override for empty queues
enabled
Upload pending results
enabled
Download new WUs
enabled
Report stats to SetiQueue server
disabled
Save a copy of all results
disabled
My Q has been fetching/flushing fine until yesterday, when it got a little constipated, but it's clear this morning.

Of course I don't do a huge volume, 14 day avg is 26.6 WUs uploaded.