{ 'l2_size': { 'queries': { 'l2_size': { 'filters': { '_measurement': 'zfs', '_field': [ 'arcstats_l2_size', ], }, 'function': 'mean', }, }, 'unit': 'bytes', }, 'l2_io': { 'queries': { 'read': { 'filters': { '_measurement': 'zfs', '_field': [ 'arcstats_l2_read_bytes', ], }, 'function': 'derivative', }, 'write': { 'filters': { '_measurement': 'zfs', '_field': [ 'arcstats_l2_write_bytes', ], }, 'function': 'derivative', 'negative': True, }, }, }, 'l2_cache_hits': { 'queries': { 'hits': { 'filters': { '_measurement': 'zfs', '_field': [ 'arcstats_l2_hits', ], }, 'function': 'derivative', }, 'misses': { 'filters': { '_measurement': 'zfs', '_field': [ 'arcstats_l2_misses', ], }, 'function': 'derivative', 'negative': True, }, }, }, }