neon/pgxn at dc975d554ab9d05ab1c6c1fdc8baeee9079efa22 - neon

rust/neon

mirror of https://github.com/neondatabase/neon.git synced 2026-01-07 21:42:56 +00:00

Files

Konstantin Knizhnik dc975d554a Incremenet getpage histogram in prefetch_lookup (#10965 )

## Problem

PR https://github.com/neondatabase/neon/pull/10442 added prefetch_lookup
function.
It changed handling of getpage requests in compute.

Before:
1. Lookup in LFC (return if found)
2. Register prefetch buffer
3. Wait prefetch result (increment getpage_hist)
Now:

1. Lookup prefetch ring (return if prefetch request is already
completed)
2. Lookup in LFC (return if found)
3. Register prefetch buffer
4. Wait prefetch result (increment getpage_hist)

So if prefetch result is already available, then get page histogram is
not incremented.
It case failure of some test_throughtput benchmarks:
https://neondb.slack.com/archives/C033RQ5SPDH/p1740425527249499

## Summary of changes

Increment getpage histogram in `prefetch_lookup`

Co-authored-by: Konstantin Knizhnik <knizhnik@neon.tech>

2025-02-25 19:51:38 +00:00

neon

Incremenet getpage histogram in prefetch_lookup (#10965 )

2025-02-25 19:51:38 +00:00

neon_rmgr

Remove unused static function

2024-10-07 23:49:11 +03:00

neon_test_utils

Use smgrexists() instead of access() to enforce uniqueness of generated relfilenumber (#7992 )

2024-07-23 18:41:55 +03:00

neon_utils

Be able to get number of CPUs (#3774 )