表大小

zwcdb=# select pg_size_pretty(pg_relation_size('gp_test'));pg_size_pretty ----------------1761 MB (1 row)

表和索引

zwcdb=# select pg_size_pretty(pg_total_relation_size('gp_test'));pg_size_pretty ----------------2186 MB

查看指定數據庫

zwcdb=# select pg_size_pretty(pg_database_size('zwcdb'));pg_size_pretty ----------------2241 MB

所有數據庫

zwcdb=# select datname,pg_size_pretty(pg_database_size(datname)) from pg_database;datname | pg_size_pretty -----------+----------------zwcdb | 2241 MBpostgres | 47 MBtemplate1 | 47 MBtemplate0 | 45 MBgpperfmon | 67 MB (5 rows)

查看數據分布情況和磁盤空間

zwcdb=# select gp_segment_id,count(*) from gp_test group by gp_segment_id order by 1;gp_segment_id | count ---------------+---------0 | 50000001 | 49999992 | 50000013 | 5000000 (4 rows) zwcdb=# select dfhostname, dfspace,dfdevice from gp_toolkit.gp_disk_free order by dfhostname;dfhostname | dfspace | dfdevice ------------+----------+------------sdw1 | 12273372 | /dev/sdb1sdw1 | 12273372 | /dev/sdb1sdw2 | 12273404 | /dev/sdb1sdw2 | 12273404 | /dev/sdb1

轉載于:https://www.cnblogs.com/jiang910/p/10076462.html

總結

以上是生活随笔為你收集整理的GreenPlum查看表和数据库大小的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。