postgresql.io.writes

postgresql.io.writebacks

postgresql.io.extends

postgresql.io.hits

postgresql.io.evictions

postgresql.io.reuses

postgresql.io.fsyncs

postgresql.io.read_bytes

postgresql.io.write_bytes

postgresql.io.writeback_bytes

postgresql.io.extend_bytes

postgresql.io.read_time_milliseconds

postgresql.io.write_time_milliseconds

postgresql.io.writeback_time_milliseconds

postgresql.io.extend_time_milliseconds

postgresql.io.fsync_time_milliseconds