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perf: add compact FileStore index metadata

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This commit is contained in:
Joseph Doherty
2026-03-13 10:34:31 -04:00
parent 5674853628
commit 9ff5216495
5 changed files with 190 additions and 159 deletions
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23
tests/NATS.Server.JetStream.Tests/FileStoreTests.cs
View File

@@ -15,4 +15,27 @@ public class FileStoreTests
await using var recovered = new FileStore(new FileStoreOptions { Directory = dir.FullName });
(await recovered.GetStateAsync(default)).Messages.ShouldBe((ulong)1);
}
[Fact]
public async Task Snapshot_round_trip_preserves_headers_and_payload_separately()
{
var srcDir = Directory.CreateTempSubdirectory();
var dstDir = Directory.CreateTempSubdirectory();
await using var src = new FileStore(new FileStoreOptions { Directory = srcDir.FullName });
var hdr = "NATS/1.0\r\nX-Test: two\r\n\r\n"u8.ToArray();
var msg = "payload-two"u8.ToArray();
var (seq, _) = src.StoreMsg("events.a", hdr, msg, 0L);
var snapshot = await src.CreateSnapshotAsync(default);
await using var dst = new FileStore(new FileStoreOptions { Directory = dstDir.FullName });
await dst.RestoreSnapshotAsync(snapshot, default);
var loaded = dst.LoadMsg(seq, null);
loaded.Header.ShouldNotBeNull();
loaded.Header.ShouldBe(hdr);
loaded.Data.ShouldNotBeNull();
loaded.Data.ShouldBe(msg);
}
}

23
tests/NATS.Server.JetStream.Tests/JetStream/Storage/FileStoreOptimizationGuardTests.cs
View File

@@ -4,29 +4,6 @@ namespace NATS.Server.JetStream.Tests.JetStream.Storage;
public sealed class FileStoreOptimizationGuardTests
{
[Fact]
public async Task Snapshot_round_trip_preserves_headers_and_payload_separately()
{
var srcDir = Directory.CreateTempSubdirectory();
var dstDir = Directory.CreateTempSubdirectory();
await using var src = new FileStore(new FileStoreOptions { Directory = srcDir.FullName });
var hdr = "NATS/1.0\r\nX-Test: two\r\n\r\n"u8.ToArray();
var msg = "payload-two"u8.ToArray();
var (seq, _) = src.StoreMsg("events.a", hdr, msg, 0L);
var snapshot = await src.CreateSnapshotAsync(default);
await using var dst = new FileStore(new FileStoreOptions { Directory = dstDir.FullName });
await dst.RestoreSnapshotAsync(snapshot, default);
var loaded = dst.LoadMsg(seq, null);
loaded.Header.ShouldNotBeNull();
loaded.Header.ShouldBe(hdr);
loaded.Data.ShouldNotBeNull();
loaded.Data.ShouldBe(msg);
}
[Fact]
public async Task PurgeEx_updates_last_by_subject_after_recovery()
{