Seum-Lim Gan <[EMAIL PROTECTED]> writes: > vacuum verbose analyze dsperf_rda_or_key; > INFO: vacuuming "scncraft.dsperf_rda_or_key" > INFO: index "dsperf242_1105" now contains 300000 row versions in 12387 pages > DETAIL: 3097702 index row versions were removed. > 0 index pages have been deleted, 0 are currently reusable.
Hm, interesting that you deleted 90% of the entries and still had no empty index pages at all. What was the pattern of your deletes and/or updates with respect to this index's key? > However, when I check the disk space usage, it has not changed. It won't in any case. Plain VACUUM is designed for maintaining a steady-state level of free space in tables and indexes, not for returning major amounts of space to the OS. For that you need more-invasive operations like VACUUM FULL or REINDEX. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend