3 ms·
OTOH there's concurrency and prefetching logic increasing average queue depth.
by anarazel 8y ago
OTOH there's concurrency and prefetching logic increasing average queue depth.
- olavgg 8y agoAre 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.