"hehaoc...@hotmail.com" writes:
> The default is enable_bitmapscan on. However, TPC-H.query17 get slower
> running on my NVMe SSD (WD SN850) after switching on the parameter: latency
> drop from 9secs to 16secs. During a B-tree Index Scan, bitmapscan
> optimization converts random I/O into sequ
Hi
so 14. 1. 2023 v 15:51 odesÃlatel hehaoc...@hotmail.com <
hehaoc...@hotmail.com> napsal:
> The default is enable_bitmapscan on. However, TPC-H.query17 get slower
> running on my NVMe SSD (WD SN850) after switching on the parameter: latency
> drop from 9secs to 16secs. During a B-tree Index Sc