ColumnTypeDescription
    chunk_schemaTEXTSchema name of the chunk
    chunk_nameTEXTName of the chunk
    table_bytesBIGINTDisk space used by the chunk table
    index_bytesBIGINTDisk space used by indexes
    toast_bytesBIGINTDisk space of toast tables
    total_bytesBIGINTTotal disk space used by the chunk, including all indexes and TOAST data
    node_nameTEXTNode for which size is reported, applicable only to distributed hypertables
    tip