perf(gateway): scale request hot paths for 20k streams

Shard and singleflight hot-path caches, batch and prioritize candidate and usage lifecycle persistence, and extend database and pressure-test instrumentation for 20k concurrent streams.
This commit is contained in:
elky
2026-07-22 02:11:08 +08:00
parent 7756c0913f
commit fc92c4f431
124 changed files with 36325 additions and 3217 deletions
+1 -1
View File
@@ -25,7 +25,7 @@ const MAX_CANDIDATE_PAGE_CACHE_TTL_MS: u64 = 1_000;
const CANDIDATE_PAGE_CACHE_TTL_ENV: &str = "AETHER_GATEWAY_CANDIDATE_PAGE_CACHE_TTL_MS";
const DEFAULT_CANDIDATE_PAGE_CACHE_STALE_TTL_MS: u64 = 300_000;
const MIN_CANDIDATE_PAGE_CACHE_STALE_TTL_MS: u64 = 1_000;
const MAX_CANDIDATE_PAGE_CACHE_STALE_TTL_MS: u64 = 300_000;
const MAX_CANDIDATE_PAGE_CACHE_STALE_TTL_MS: u64 = 3_600_000;
const CANDIDATE_PAGE_CACHE_STALE_TTL_ENV: &str = "AETHER_GATEWAY_CANDIDATE_PAGE_CACHE_STALE_TTL_MS";
pub(crate) type CandidatePageSnapshot = AiCandidatePreselectionOutcome<