perf improvement: change string equality check to reference equals

Azure · Jun 3, 2022 · 4517f89 · 4517f89
1 parent 6c02fff
commit 4517f89
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Microsoft.Azure.Cosmos/src/Tracing/TraceData/ClientConfigurationTraceDatum.cs b/Microsoft.Azure.Cosmos/src/Tracing/TraceData/ClientConfigurationTraceDatum.cs
@@ -58,7 +58,7 @@ public ReadOnlyMemory<byte> SerializedJson
                 if (this.cachedUserAgentString != this.UserAgentContainer.UserAgent ||
                     this.cachedNumberOfClientCreated != CosmosClient.numberOfClientsCreated ||
                     this.cachedNumberOfActiveClient != CosmosClient.NumberOfActiveClients ||
-                    this.cachedMachineId != VmMetadataApiHandler.GetMachineId())
+                    !ReferenceEquals(this.cachedMachineId, VmMetadataApiHandler.GetMachineId()))
                 {
                     this.cachedNumberOfActiveClient = CosmosClient.NumberOfActiveClients;
                     this.cachedNumberOfClientCreated = CosmosClient.numberOfClientsCreated;