Arthur Petukhovsky f3acfb2d80 Improve safekeepers eviction rate limiting (#8456) ...

This commit tries to fix regular load spikes on staging, caused by too
many eviction and partial upload operations running at the same time.
Usually it was hapenning after restart, for partial backup the load was
delayed.
- Add a semaphore for evictions (2 permits by default)
- Rename `resident_since` to `evict_not_before` and smooth out the curve
by using random duration
- Use random duration in partial uploads as well

related to https://github.com/neondatabase/neon/issues/6338
some discussion in
https://neondb.slack.com/archives/C033RQ5SPDH/p1720601531744029

2024-08-02 15:26:46 +01:00

..

spec

Fix typos

2022-05-28 14:02:05 +03:00

src

Improve safekeepers eviction rate limiting (#8456)

2024-08-02 15:26:46 +01:00

tests

Update Rust to 1.80.0 (#8518)

2024-07-26 11:17:33 +02:00

Cargo.toml

Remove fs2 dependency (#8350)

2024-07-12 12:56:06 +03:00