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Use 'notify' crate to wait for PostgreSQL startup.

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Compute node startup time is very important. After launching
PostgreSQL, use 'notify' to be notified immediately when it has
updated the PID file, instead of polling. The polling loop had 100 ms
interval so this shaves up to 100 ms from the startup time.
This commit is contained in:
Heikki Linnakangas
2022-10-04 13:00:15 +03:00
parent 537b2c1ae6
commit 9b9bbad462
4 changed files with 124 additions and 11 deletions
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workspace_hack/Cargo.toml
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@@ -19,6 +19,7 @@ anyhow = { version = "1", features = ["backtrace", "std"] }
bstr = { version = "0.2", features = ["lazy_static", "regex-automata", "serde", "serde1", "serde1-nostd", "std", "unicode"] }
bytes = { version = "1", features = ["serde", "std"] }
chrono = { version = "0.4", features = ["clock", "libc", "oldtime", "serde", "std", "time", "winapi"] }
crossbeam-utils = { version = "0.8", features = ["once_cell", "std"] }
either = { version = "1", features = ["use_std"] }
fail = { version = "0.5", default-features = false, features = ["failpoints"] }
hashbrown = { version = "0.12", features = ["ahash", "inline-more", "raw"] }