supabase-cli/docs/supabase/inspect/db-index-sizes.md

db-index-sizes

This command displays the size of each each index in the database. It is calculated by taking the number of pages (reported in relpages) and multiplying it by the page size (8192 bytes).

              NAME              │    SIZE
  ──────────────────────────────┼─────────────
    user_events_index           │ 2082 MB
    job_run_details_pkey        │ 3856 kB
    schema_migrations_pkey      │ 16 kB
    refresh_tokens_token_unique │ 8192 bytes
    users_instance_id_idx       │ 0 bytes
    buckets_pkey                │ 0 bytes