pascal@neo> ./pg_du.pl -d powerbase -a

Disk usage for table "public.metadata":
Configured page size:           8192
Estimated row count:            23
Name of the on-disk file:       16499
Data usage:                     8.0KB
Indexes:
  16KB  (metadata_pkey)
TOAST table:
  0B    (pg_toast_16499)
TOAST table index:
  8.0KB (pg_toast_16499_index)
Total disk usage:               32KB

Disk usage for table "public.datalink":
Configured page size:           8192
Estimated row count:            1
Name of the on-disk file:       16422
Data usage:                     8.0KB
Indexes:
  16KB  (datalink_pkey)
  16KB  (fki_datalink_unit)
  16KB  (fki_datalink_sensor)
TOAST table:
  0B    (pg_toast_16422)
TOAST table index:
  8.0KB (pg_toast_16422_index)
Total disk usage:               64KB

Disk usage for table "public.sensor":
Configured page size:           8192
Estimated row count:            1
Name of the on-disk file:       16405
Data usage:                     8.0KB
Indexes:
  16KB  (sensor_pkey)
TOAST table:
  0B    (pg_toast_16405)
TOAST table index:
  8.0KB (pg_toast_16405_index)
Total disk usage:               32KB

Disk usage for table "public.unit":
Configured page size:           8192
Estimated row count:            1
Name of the on-disk file:       16398
Data usage:                     8.0KB
Indexes:
  16KB  (unit_pkey)
TOAST table:
  0B    (pg_toast_16398)
TOAST table index:
  8.0KB (pg_toast_16398_index)
Total disk usage:               32KB

Disk usage for table "public.data":
Configured page size:           8192
Estimated row count:            2.64824e+07
Name of the on-disk file:       16467
Data usage:                     3.7GB
Indexes:
  823MB (data_pkey)
TOAST table:
  0B    (pg_toast_16467)
TOAST table index:
  8.0KB (pg_toast_16467_index)
Total disk usage:               4.5GB