Redis exception: OOM command not allowed when used memory > 'maxmemory'.Redis exception: OOM command not allowed when used memory > 'maxmemory'.Redis exception: OOM command not allowed when used memory > 'maxmemory'.Redis exception: OOM command not allowed when used memory > 'maxmemory'.no. of lamps: 1 lamp, luminous flux: 2000 Lumen 1 lamp