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perf: pool SubList match builders and cleanup scans

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This commit is contained in:
Joseph Doherty
2026-03-13 10:06:24 -04:00
parent 5876ad7dfa
commit 0126234fa6
3 changed files with 202 additions and 29 deletions
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44
tests/NATS.Server.Clustering.Tests/Routes/RouteSubscriptionTests.cs
View File

@@ -208,6 +208,50 @@ public class RouteSubscriptionTests
}
}
[Fact]
public async Task Removing_one_subject_keeps_other_remote_interest_intact()
{
var cluster = Guid.NewGuid().ToString("N");
var a = await StartServerAsync(MakeClusterOpts(cluster));
var b = await StartServerAsync(MakeClusterOpts(cluster, a.Server.ClusterListen!));
try
{
await WaitForRouteFormation(a.Server, b.Server);
await using var nc = new NatsConnection(new NatsOpts
{
Url = $"nats://127.0.0.1:{a.Server.Port}",
});
await nc.ConnectAsync();
await using var sub1 = await nc.SubscribeCoreAsync<string>("multi.one");
await using var sub2 = await nc.SubscribeCoreAsync<string>("multi.two");
await nc.PingAsync();
await WaitForCondition(() => b.Server.HasRemoteInterest("multi.one") && b.Server.HasRemoteInterest("multi.two"));
b.Server.HasRemoteInterest("multi.one").ShouldBeTrue();
b.Server.HasRemoteInterest("multi.two").ShouldBeTrue();
await sub1.DisposeAsync();
await nc.PingAsync();
await WaitForCondition(() => !b.Server.HasRemoteInterest("multi.one"));
b.Server.HasRemoteInterest("multi.one").ShouldBeFalse();
b.Server.HasRemoteInterest("multi.two").ShouldBeTrue();
await sub2.DisposeAsync();
await nc.PingAsync();
await WaitForCondition(() => !b.Server.HasRemoteInterest("multi.two"));
b.Server.HasRemoteInterest("multi.two").ShouldBeFalse();
}
finally
{
await DisposeServers(a, b);
}
}
// Go: RS+ wire protocol parsing (low-level)
[Fact]
public async Task RSplus_frame_registers_remote_interest_via_wire()

16
tests/NATS.Server.Core.Tests/Subscriptions/SubListAllocationGuardTests.cs
View File

@@ -45,4 +45,20 @@ public class SubListAllocationGuardTests
matches.Count.ShouldBe(4);
matches.ShouldAllBe(match => match.Queue == "workers");
}
[Fact]
public void Match_merges_queue_groups_from_multiple_matching_nodes_by_queue_name()
{
using var sl = new SubList();
sl.Insert(new Subscription { Subject = "orders.created", Queue = "workers", Sid = "1" });
sl.Insert(new Subscription { Subject = "orders.*", Queue = "workers", Sid = "2" });
sl.Insert(new Subscription { Subject = "orders.>", Queue = "audit", Sid = "3" });
var result = sl.Match("orders.created");
result.PlainSubs.ShouldBeEmpty();
result.QueueSubs.Length.ShouldBe(2);
result.QueueSubs.Single(group => group[0].Queue == "workers").Length.ShouldBe(2);
result.QueueSubs.Single(group => group[0].Queue == "audit").Length.ShouldBe(1);
}
}