3 ms·
Are index scans supposed to be faster with prefetch? It is random read at 8kb. I usually set read_ahead_kb to 8kb on disks/tablespaces for indexes.
by olavgg 8y ago
Are index scans supposed to be faster with prefetch? It is random read at 8kb. I usually set read_ahead_kb to 8kb on disks/tablespaces for indexes.