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Revert notify to 6.0.0 (#11162)

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The upgrade to 8.0.0 caused severe performance regressions in the
start_postgres_ms metric, which measures the time it takes from execing
Postgres to the time Postgres marks itself as ready in the
postmaster.pid file. We use the notify crate to watch for changes in the
pgdata directory and the postmaster.pid file.

Signed-off-by: Tristan Partin <tristan@neon.tech>
This commit is contained in:
Tristan Partin
2025-03-11 17:18:09 -05:00
committed by GitHub
parent 158db414bf
commit decd265c99
3 changed files with 28 additions and 24 deletions
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Cargo.toml
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@@ -126,7 +126,9 @@ measured = { version = "0.0.22", features=["lasso"] }
measured-process = { version = "0.0.22" }
memoffset = "0.9"
nix = { version = "0.27", features = ["dir", "fs", "process", "socket", "signal", "poll"] }
notify = "8.0.0"
# Do not update to >= 7.0.0, at least. The update will have a significant impact
# on compute startup metrics (start_postgres_ms), >= 25% degradation.
notify = "6.0.0"
num_cpus = "1.15"
num-traits = "0.2.15"
once_cell = "1.13"