improve high watermark logging
improve high watermark logging

djw8605/cvmfs,cvmfs-testing/cvmfs,djw8605/cvmfs,Moliholy/cvmfs,trshaffer/cvmfs,cvmfs/cvmfs,alhowaidi/cvmfsNDN,Gangbiao/cvmfs,djw8605/cvmfs,alhowaidi/cvmfsNDN,MicBrain/cvmfs,cvmfs-testing/cvmfs,reneme/cvmfs,MicBrain/cvmfs,Moliholy/cvmfs,cvmfs/cvmfs,trshaffer/cvmfs,trshaffer/cvmfs,trshaffer/cvmfs,alhowaidi/cvmfsNDN,DrDaveD/cvmfs,trshaffer/cvmfs,DrDaveD/cvmfs,Moliholy/cvmfs,cvmfs/cvmfs,Gangbiao/cvmfs,djw8605/cvmfs,DrDaveD/cvmfs,reneme/cvmfs,Gangbiao/cvmfs,djw8605/cvmfs,Moliholy/cvmfs,cvmfs-testing/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,MicBrain/cvmfs,Gangbiao/cvmfs,cvmfs-testing/cvmfs,MicBrain/cvmfs,reneme/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,Gangbiao/cvmfs,DrDaveD/cvmfs,alhowaidi/cvmfsNDN,reneme/cvmfs,alhowaidi/cvmfsNDN,cvmfs/cvmfs,reneme/cvmfs,DrDaveD/cvmfs,Moliholy/cvmfs,cvmfs-testing/cvmfs,cvmfs/cvmfs,MicBrain/cvmfs