Logging performance improved.

src/Squidex.Infrastructure/Log/JsonLogWriter.cs

@@ -7,137 +7,136 @@
 
 using System;
 using System.IO;
-using Newtonsoft.Json;
+using System.Text;
+using System.Text.Json;
 using NodaTime;
 
 namespace Squidex.Infrastructure.Log
 {
     public sealed class JsonLogWriter : IObjectWriter, IArrayWriter
     {
-        private readonly Formatting formatting;
+        private readonly JsonWriterOptions formatting;
         private readonly bool formatLine;
-        private readonly StringWriter textWriter = new StringWriter();
-        private JsonWriter jsonWriter;
+        private readonly MemoryStream stream = new MemoryStream();
+        private readonly StreamReader streamReader;
+        private Utf8JsonWriter jsonWriter;
 
-        public int BufferSize
+        public long BufferSize
         {
-            get { return textWriter.GetStringBuilder().Capacity; }
+            get { return stream.Length; }
         }
 
-        internal JsonLogWriter(Formatting formatting, bool formatLine)
+        internal JsonLogWriter(JsonWriterOptions formatting, bool formatLine)
         {
             this.formatLine = formatLine;
             this.formatting = formatting;
 
+            streamReader = new StreamReader(stream, Encoding.UTF8);
+
             Start();
         }
 
         private void Start()
         {
-            jsonWriter = new JsonTextWriter(textWriter) { Formatting = formatting };
+            jsonWriter = new Utf8JsonWriter(stream, formatting);
             jsonWriter.WriteStartObject();
         }
 
         internal void Reset()
         {
-            textWriter.GetStringBuilder().Clear();
+            stream.Position = 0;
+            stream.SetLength(0);
 
             Start();
         }
 
         IArrayWriter IArrayWriter.WriteValue(string value)
         {
-            jsonWriter.WriteValue(value);
+            jsonWriter.WriteStringValue(value);
 
             return this;
         }
 
         IArrayWriter IArrayWriter.WriteValue(double value)
         {
-            jsonWriter.WriteValue(value);
+            jsonWriter.WriteNumberValue(value);
 
             return this;
         }
 
         IArrayWriter IArrayWriter.WriteValue(long value)
         {
-            jsonWriter.WriteValue(value);
+            jsonWriter.WriteNumberValue(value);
 
             return this;
         }
 
         IArrayWriter IArrayWriter.WriteValue(bool value)
         {
-            jsonWriter.WriteValue(value);
+            jsonWriter.WriteBooleanValue(value);
 
             return this;
         }
 
         IArrayWriter IArrayWriter.WriteValue(Instant value)
         {
-            jsonWriter.WriteValue(value.ToString());
+            jsonWriter.WriteStringValue(value.ToString());
 
             return this;
         }
 
         IArrayWriter IArrayWriter.WriteValue(TimeSpan value)
         {
-            jsonWriter.WriteValue(value.ToString());
+            jsonWriter.WriteStringValue(value.ToString());
 
             return this;
         }
 
         IObjectWriter IObjectWriter.WriteProperty(string property, string value)
         {
-            jsonWriter.WritePropertyName(Format(property));
-            jsonWriter.WriteValue(value);
+            jsonWriter.WriteString(property, value);
 
             return this;
         }
 
         IObjectWriter IObjectWriter.WriteProperty(string property, double value)
         {
-            jsonWriter.WritePropertyName(Format(property));
-            jsonWriter.WriteValue(value);
+            jsonWriter.WriteNumber(property, value);
 
             return this;
         }
 
         IObjectWriter IObjectWriter.WriteProperty(string property, long value)
         {
-            jsonWriter.WritePropertyName(Format(property));
-            jsonWriter.WriteValue(value);
+            jsonWriter.WriteNumber(property, value);
 
             return this;
         }
 
         IObjectWriter IObjectWriter.WriteProperty(string property, bool value)
         {
-            jsonWriter.WritePropertyName(Format(property));
-            jsonWriter.WriteValue(value);
+            jsonWriter.WriteBoolean(property, value);
 
             return this;
         }
 
         IObjectWriter IObjectWriter.WriteProperty(string property, Instant value)
         {
-            jsonWriter.WritePropertyName(Format(property));
-            jsonWriter.WriteValue(value.ToString());
+            jsonWriter.WriteString(property, value.ToString());
 
             return this;
         }
 
         IObjectWriter IObjectWriter.WriteProperty(string property, TimeSpan value)
         {
-            jsonWriter.WritePropertyName(Format(property));
-            jsonWriter.WriteValue(value.ToString());
+            jsonWriter.WriteString(property, value.ToString());
 
             return this;
         }
 
         IObjectWriter IObjectWriter.WriteObject(string property, Action<IObjectWriter> objectWriter)
         {
-            jsonWriter.WritePropertyName(Format(property));
+            jsonWriter.WritePropertyName(property);
             jsonWriter.WriteStartObject();
 
             objectWriter?.Invoke(this);
@@ -149,7 +148,7 @@ namespace Squidex.Infrastructure.Log
 
         IObjectWriter IObjectWriter.WriteObject<T>(string property, T context, Action<T, IObjectWriter> objectWriter)
         {
-            jsonWriter.WritePropertyName(Format(property));
+            jsonWriter.WritePropertyName(property);
             jsonWriter.WriteStartObject();
 
             objectWriter?.Invoke(context, this);
@@ -161,7 +160,7 @@ namespace Squidex.Infrastructure.Log
 
         IObjectWriter IObjectWriter.WriteArray(string property, Action<IArrayWriter> arrayWriter)
         {
-            jsonWriter.WritePropertyName(Format(property));
+            jsonWriter.WritePropertyName(property);
             jsonWriter.WriteStartArray();
 
             arrayWriter?.Invoke(this);
@@ -173,7 +172,7 @@ namespace Squidex.Infrastructure.Log
 
         IObjectWriter IObjectWriter.WriteArray<T>(string property, T context, Action<T, IArrayWriter> arrayWriter)
         {
-            jsonWriter.WritePropertyName(Format(property));
+            jsonWriter.WritePropertyName(property);
             jsonWriter.WriteStartArray();
 
             arrayWriter?.Invoke(context, this);
@@ -205,21 +204,22 @@ namespace Squidex.Infrastructure.Log
             return this;
         }
 
-        private static string Format(string property)
-        {
-            return property;
-        }
-
         public override string ToString()
         {
             jsonWriter.WriteEndObject();
+            jsonWriter.Flush();
+
+            stream.Position = 0;
+            streamReader.DiscardBufferedData();
+
+            var json = streamReader.ReadToEnd();
 
             if (formatLine)
             {
-                textWriter.WriteLine();
+                json += Environment.NewLine;
             }
 
-            return textWriter.ToString();
+            return json;
         }
     }
 }

src/Squidex.Infrastructure/Log/JsonLogWriterFactory.cs

@@ -6,7 +6,7 @@
 // ==========================================================================
 
 using System.Collections.Concurrent;
-using Newtonsoft.Json;
+using System.Text.Json;
 
 namespace Squidex.Infrastructure.Log
 {
@@ -15,12 +15,13 @@ namespace Squidex.Infrastructure.Log
         private const int MaxPoolSize = 10;
         private const int MaxCapacity = 5000;
         private readonly ConcurrentStack<JsonLogWriter> pool = new ConcurrentStack<JsonLogWriter>();
-        private readonly Formatting formatting;
+        private readonly JsonWriterOptions formatting;
         private readonly bool formatLine;
 
-        public JsonLogWriterFactory(Formatting formatting = Formatting.None, bool formatLine = false)
+        public JsonLogWriterFactory(bool indended = false, bool formatLine = false)
         {
-            this.formatting = formatting;
+            formatting.Indented = indended;
+
             this.formatLine = formatLine;
         }
 
@@ -31,7 +32,7 @@ namespace Squidex.Infrastructure.Log
 
         public static JsonLogWriterFactory Readable()
         {
-            return new JsonLogWriterFactory(Formatting.Indented, true);
+            return new JsonLogWriterFactory(true, true);
         }
 
         public IObjectWriter Create()

src/Squidex.Infrastructure/Squidex.Infrastructure.csproj

@@ -32,6 +32,7 @@
     <PackageReference Include="System.Reactive" Version="4.1.6" />
     <PackageReference Include="System.Reflection.TypeExtensions" Version="4.5.1" />
     <PackageReference Include="System.Security.Claims" Version="4.3.0" />
+    <PackageReference Include="System.Text.Json" Version="4.6.0" />
     <PackageReference Include="System.Threading.Tasks.Dataflow" Version="4.9.0" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
   </ItemGroup>

src/Squidex/Config/Logging.cs

@@ -18,6 +18,11 @@ namespace Squidex.Config
         {
             builder.AddFilter((category, level) =>
             {
+                if (level < LogLevel.Information)
+                {
+                    return false;
+                }
+
                 if (category.StartsWith("Orleans.", StringComparison.OrdinalIgnoreCase))
                 {
                     var subCategory = category.AsSpan().Slice(8);
@@ -55,7 +60,7 @@ namespace Squidex.Config
                     return true;
                 }
 #endif
-                return level >= LogLevel.Information;
+                return true;
             });
         }
     }

tests/Squidex.Infrastructure.Tests/Log/JsonLogWriterTests.cs

@@ -159,7 +159,7 @@ namespace Squidex.Infrastructure.Log
         [Fact]
         public void Should_write_pretty_json()
         {
-            var prettySut = new JsonLogWriterFactory(Formatting.Indented).Create();
+            var prettySut = new JsonLogWriterFactory(true).Create();
 
             var result = prettySut.WriteProperty("property", 1.5).ToString();
 
@@ -169,7 +169,7 @@ namespace Squidex.Infrastructure.Log
         [Fact]
         public void Should_write_extra_line_after_object()
         {
-            var prettySut = new JsonLogWriterFactory(Formatting.None, true).Create();
+            var prettySut = new JsonLogWriterFactory(false, true).Create();
 
             var result = prettySut.WriteProperty("property", 1.5).ToString();