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a62a25dcdf3c43fd0421a2057ebf79c52d39efec
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26 Commits

Author SHA1 Message Date
Joseph Doherty
a62a25dcdf perf: optimize fan-out hot path and switch benchmarks to Release build 
Round 9 optimizations targeting per-delivery overhead:
- Switch benchmark harness from Debug to Release build (biggest impact:
  durable fetch 0.42x→0.92x, request-reply to parity)
- Batch server-wide stats after fan-out loop (2 Interlocked per delivery → 2 per publish)
- Guard auto-unsub tracking with MaxMessages > 0 (skip Interlocked in common case)
- Cache SID as ASCII bytes on Subscription (avoid per-delivery encoding)
- Pre-encode subject bytes once before fan-out loop (avoid N encodings)
- Add 1-element subject string cache in ProcessPub (avoid repeated alloc)
- Remove Interlocked from SubList.Match stats counters (approximate is fine)
- Extract WriteMessageToBuffer helper for both string and span overloads
 2026-03-13 15:30:02 -04:00
Joseph Doherty
0126234fa6 perf: pool SubList match builders and cleanup scans 2026-03-13 10:06:24 -04:00
Joseph Doherty
5876ad7dfa perf: reduce SubList token string churn 2026-03-13 09:53:37 -04:00
Joseph Doherty
348bec36b2 perf: replace SubList routed-sub string keys 2026-03-13 09:51:11 -04:00
Joseph Doherty
c30e67a69d Fix E2E test gaps and add comprehensive E2E + parity test suites 
- Fix pull consumer fetch: send original stream subject in HMSG (not inbox)
  so NATS client distinguishes data messages from control messages
- Fix MaxAge expiry: add background timer in StreamManager for periodic pruning
- Fix JetStream wire format: Go-compatible anonymous objects with string enums,
  proper offset-based pagination for stream/consumer list APIs
- Add 42 E2E black-box tests (core messaging, auth, TLS, accounts, JetStream)
- Add ~1000 parity tests across all subsystems (gaps closure)
- Update gap inventory docs to reflect implementation status
 2026-03-12 14:09:23 -04:00
Joseph Doherty
1a1e99f7d8 feat: add per-account subscription result cache with LRU (Gap 5.4) 
Implements RouteResultCache with fixed-capacity LRU eviction and atomic
generation-based invalidation (Go ref: client.go routeCache, maxResultCacheSize=8192).
Fixes AccountGoParityTests namespace ambiguity introduced by new test file.
 2026-02-25 11:31:17 -05:00
Joseph Doherty
d83b37fec1 feat: make inter-server interest propagation idempotent 2026-02-23 14:38:23 -05:00
Joseph Doherty
2b64d762f6 feat: execute full-repo remaining parity closure plan 2026-02-23 13:08:52 -05:00
Joseph Doherty
b41e6ff320 feat: execute post-baseline jetstream parity plan 2026-02-23 12:11:19 -05:00
Joseph Doherty
8bce096f55 feat: complete final jetstream parity transport and runtime baselines 2026-02-23 11:04:43 -05:00
Joseph Doherty
a8985ecb1a Merge branch 'codex/jetstream-full-parity-executeplan' into main 
# Conflicts:
#	differences.md
#	docs/plans/2026-02-23-jetstream-full-parity-plan.md
#	src/NATS.Server/Auth/Account.cs
#	src/NATS.Server/Configuration/ConfigProcessor.cs
#	src/NATS.Server/Monitoring/VarzHandler.cs
#	src/NATS.Server/NatsClient.cs
#	src/NATS.Server/NatsOptions.cs
#	src/NATS.Server/NatsServer.cs
 2026-02-23 08:53:44 -05:00
Joseph Doherty
7fe15d7ce1 feat: add route propagation and bootstrap js gateway leaf services 2026-02-23 05:55:45 -05:00
Joseph Doherty
4c2b7fa3de feat: add import/export support to Account with ACCOUNT client lazy creation 2026-02-23 05:54:31 -05:00
Joseph Doherty
0e7db5615e feat: add INatsClient interface and implement on NatsClient 
Extract INatsClient interface from NatsClient to enable internal clients
(SYSTEM, ACCOUNT) to participate in the subscription system without
requiring a socket connection. Change Subscription.Client from concrete
NatsClient to INatsClient, keeping IMessageRouter and RemoveClient using
the concrete type since only socket clients need those paths.
 2026-02-23 05:18:59 -05:00
Joseph Doherty
46116400d2 feat: add SubjectTransform compiled engine for subject mapping 
Port Go server/subject_transform.go to .NET. Implements a compiled
transform engine that parses source patterns with wildcards and
destination templates with function tokens at Create() time, then
evaluates them efficiently at Apply() time without runtime regex.

Supports all 9 transform functions: wildcard/$N, partition (FNV-1a),
split, splitFromLeft, splitFromRight, sliceFromLeft, sliceFromRight,
left, and right. Used for stream mirroring, account imports/exports,
and subject routing.
 2026-02-23 04:27:36 -05:00
Joseph Doherty
cc5ce63cb9 Merge branch 'feature/sections-7-10-gaps' into main 2026-02-23 03:34:00 -05:00
Joseph Doherty
1269ae8275 feat: implement /subz endpoint with account filter, test subject, and pagination 2026-02-23 00:50:26 -05:00
Joseph Doherty
0347e8a28c fix: increment _removes counter in RemoveBatch for accurate stats 2026-02-23 00:48:53 -05:00
Joseph Doherty
cc0fe04f3c feat: add generation-based cache, Stats, HasInterest, NumInterest, RemoveBatch, All, ReverseMatch to SubList 2026-02-23 00:45:28 -05:00
Joseph Doherty
0ec5583422 fix: address code quality review findings for batch 1 
- SubjectsCollide: split tokens once upfront instead of O(n²) TokenAt calls
- NatsHeaderParser: manual digit accumulation avoids string allocation and overflow
- NatsHeaders: use IReadOnlyDictionary for Headers, immutable Invalid sentinel
- PermissionLruCache: add missing Count property
 2026-02-23 00:40:14 -05:00
Joseph Doherty
dddced444e feat: add NumTokens, TokenAt, SubjectsCollide, UTF-8 validation to SubjectMatch 2026-02-23 00:33:43 -05:00
Joseph Doherty
d14d73a7d0 feat: add pedantic subject validation and max payload enforcement on PUB 
Move max payload validation from the parser to ProcessPubAsync so the
server sends -ERR 'Maximum Payload Violation' and closes the connection
(matching Go reference client.go:2442). In pedantic mode, reject PUB
with wildcard subjects via -ERR 'Invalid Publish Subject' (client.go:2869).
Add disposed guard to SubList.Remove to prevent crash during shutdown.
 2026-02-22 21:49:01 -05:00
Joseph Doherty
8db2de37cd feat: implement NatsClient connection handler with read/write pipeline 2026-02-22 20:24:35 -05:00
Joseph Doherty
bc8fee8e39 fix: address SubList code review findings 2026-02-22 20:14:48 -05:00
Joseph Doherty
afc419ce3f feat: implement SubList trie with wildcard matching and cache 2026-02-22 20:07:35 -05:00
Joseph Doherty
270ab27ce3 feat: add Subscription types and subject validation with wildcard matching 2026-02-22 19:53:49 -05:00