continuous descent memory

Hello, I need help. On my network wherever they are with RB mipsbe architecture version 5.20 to 5.22 I have problems with vanishing memory. Memory everywhere constantly drops to fall below 2.9 megabytes and RB hangs, in the best case itself resets and memory becomes. I created one RB, which should still 8MB Memory supout.rif file to attach file attachments.

thank you
supout.zip (254 KB)