We really should prefetch the next segment file, in large sequential scans. I have heard of people compiling with very large segment size to avoid stalls at 1GB boundaries.https://twitter.com/bcantrill/status/1246506747377811456 …
Replying to @MengTangmu
We should just stop relying on OS prefetching entirely.
2:15 PM - 4 Apr 2020
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