Add memory monitoring to AHRS calibration

backend/scripts/ahrs_calibration.py

@@ -42,6 +42,7 @@ register_matplotlib_converters()
 import km3db
 import km3pipe as kp
 from km3pipe.io.daq import TMCHData
+from km3modules.common import MemoryObserver
 from km3modules.ahrs import fit_ahrs, get_latest_ahrs_calibration
 import km3pipe.style
 
@@ -203,6 +204,7 @@ def main():
     ligier_port = int(args["-p"])
 
     pipe = kp.Pipeline()
+    pipe.attach(MemoryObserver, every=600000)
     pipe.attach(
         kp.io.ch.CHPump,
         host=ligier_ip,