Created
April 8, 2014 05:33
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SELECT nspname || '.' || relname AS "relation", | |
pg_size_pretty(pg_relation_size(C.oid)) AS "size" | |
FROM pg_class C | |
LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) | |
WHERE nspname NOT IN ('pg_catalog', 'information_schema') | |
ORDER BY pg_relation_size(C.oid) DESC | |
LIMIT 20; | |
Example output (from a database created with pgbench, scale=25): | |
relation | size | |
------------------------+------------ | |
public.accounts | 326 MB | |
public.accounts_pkey | 44 MB | |
public.history | 592 kB | |
public.tellers_pkey | 16 kB | |
public.branches_pkey | 16 kB | |
public.tellers | 16 kB | |
public.branches | 8192 bytes |
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