Added batchSizes for all flows

EonaCat.LogStack/EonaCat.LogStack.csproj

@@ -14,7 +14,7 @@ It features a rich fluent API for routing log events to dozens of destinations
     <Copyright>EonaCat (Jeroen Saey)</Copyright>
     <PackageTags>EonaCat;Logger;EonaCatLogStack;Log;Writer;Flows;LogStack;Memory;Speed;Jeroen;Saey</PackageTags>
     <PackageIconUrl />
-    <FileVersion>0.0.1</FileVersion>
+    <FileVersion>0.0.2</FileVersion>
     <PackageReadmeFile>README.md</PackageReadmeFile>
     <GenerateDocumentationFile>True</GenerateDocumentationFile>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
@@ -25,7 +25,7 @@ It features a rich fluent API for routing log events to dozens of destinations
   </PropertyGroup>
 
 	<PropertyGroup>
-		<EVRevisionFormat>0.0.1+{chash:10}.{c:ymd}</EVRevisionFormat>
+		<EVRevisionFormat>0.0.2+{chash:10}.{c:ymd}</EVRevisionFormat>
 		<EVDefault>true</EVDefault>
 		<EVInfo>true</EVInfo>
 		<EVTagMatch>v[0-9]*</EVTagMatch>
@@ -36,7 +36,7 @@ It features a rich fluent API for routing log events to dozens of destinations
 	</PropertyGroup>
 
     <PropertyGroup>
-      <Version>0.0.1</Version>
+      <Version>0.0.2</Version>
       <PackageId>EonaCat.LogStack</PackageId>
       <Product>EonaCat.LogStack</Product>
       <RepositoryUrl>https://git.saey.me/EonaCat/EonaCat.LogStack</RepositoryUrl>

EonaCat.LogStack/EonaCatLoggerCore/Flows/ConsoleFlow.cs

@@ -32,7 +32,7 @@ namespace EonaCat.LogStack.Flows
             bool useColors = true,
             TimestampMode timestampMode = TimestampMode.Local,
             ColorSchema? colorSchema = null,
-            string template = "[{ts}] [{tz}] [Host: {host}] [Category: {category}] [Thread: {thread}] [{logtype}] {message}{props}")
+            string template = "[{ts}] [Host: {host}] [Category: {category}] [Thread: {thread}] [{logtype}] {message}{props}")
             : base("Console", minimumLevel)
         {
             _useColors = useColors;

EonaCat.LogStack/EonaCatLoggerCore/Flows/DatabaseFlow.cs

@@ -19,7 +19,7 @@ namespace EonaCat.LogStack.Flows
     public sealed class DatabaseFlow : FlowBase
     {
         private const int ChannelCapacity = 4096;
-        private const int DefaultBatchSize = 128;
+        private readonly int _batchSize;
 
         private readonly Channel<LogEvent> _channel;
         private readonly Task _writerTask;
@@ -31,12 +31,14 @@ namespace EonaCat.LogStack.Flows
         public DatabaseFlow(
             Func<DbConnection> connectionFactory,
             string tableName = "Logs",
+            int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Trace)
             : base($"Database:{tableName}", minimumLevel)
         {
             _connectionFactory = connectionFactory ?? throw new ArgumentNullException(nameof(connectionFactory));
             _tableName = tableName;
 
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
             var channelOptions = new BoundedChannelOptions(ChannelCapacity)
             {
                 FullMode = BoundedChannelFullMode.DropOldest,
@@ -78,7 +80,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessLogEventsAsync(CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
 
             try
             {
@@ -88,7 +90,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize)
+                        if (batch.Count >= _batchSize)
                         {
                             await WriteBatchAsync(batch, cancellationToken).ConfigureAwait(false);
                             batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/DiscordFlow.cs

@@ -19,7 +19,7 @@ namespace EonaCat.LogStack.Flows
     public sealed class DiscordFlow : FlowBase, IAsyncDisposable
     {
         private const int ChannelCapacity = 4096;
-        private const int DefaultBatchSize = 10;
+        private readonly int _batchSize;
 
         private readonly Channel<LogEvent> _channel;
         private readonly Task _workerTask;
@@ -30,11 +30,13 @@ namespace EonaCat.LogStack.Flows
         public DiscordFlow(
             string webhookUrl,
             string botName,
+             int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Information)
             : base("Discord", minimumLevel)
         {
             _webhookUrl = webhookUrl ?? throw new ArgumentNullException(nameof(webhookUrl));
             _httpClient = new HttpClient();
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
 
             var channelOptions = new BoundedChannelOptions(ChannelCapacity)
             {
@@ -67,7 +69,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessQueueAsync(string botName, CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
 
             try
             {
@@ -77,7 +79,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize)
+                        if (batch.Count >= _batchSize)
                         {
                             await SendBatchAsync(botName, batch, cancellationToken);
                             batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/ElasticSearchFlow.cs

@@ -19,7 +19,7 @@ namespace EonaCat.LogStack.Flows
     public sealed class ElasticSearchFlow : FlowBase, IAsyncDisposable
     {
         private const int ChannelCapacity = 4096;
-        private const int DefaultBatchSize = 100; // Bulk insert batch size
+        private readonly int _batchSize;
 
         private readonly Channel<LogEvent> _channel;
         private readonly Task _workerTask;
@@ -31,12 +31,14 @@ namespace EonaCat.LogStack.Flows
         public ElasticSearchFlow(
             string elasticsearchUrl,
             string indexName = "logs",
+            int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Trace)
             : base($"Elasticsearch:{indexName}", minimumLevel)
         {
             _elasticsearchUrl = elasticsearchUrl?.TrimEnd('/') ?? throw new ArgumentNullException(nameof(elasticsearchUrl));
             _indexName = indexName;
             _httpClient = new HttpClient();
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
 
             var channelOptions = new BoundedChannelOptions(ChannelCapacity)
             {
@@ -69,7 +71,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessQueueAsync(CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
 
             try
             {
@@ -79,7 +81,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize)
+                        if (batch.Count >= _batchSize)
                         {
                             await SendBulkAsync(batch, cancellationToken);
                             batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/FileFlow.cs

@@ -27,7 +27,7 @@ namespace EonaCat.LogStack.Flows
     {
         private const int FileBufferSize = 131072; // 128 KB
         private const int WriterBufferSize = 131072; // 128 KB
-        private const int DefaultBatchSize = 512;
+        private readonly int _batchSize;
         private const int QueueCapacity = 8192;
 
         private static readonly Dictionary<LogLevel, string> LevelStrings =
@@ -122,6 +122,7 @@ namespace EonaCat.LogStack.Flows
             long maxFileSize = 200 * 1024 * 1024,
             FileRetentionPolicy retention = null,
             int flushIntervalMs = 2000,
+            int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Trace,
             bool useCategoryRouting = false,
             LogLevel[] logLevelsForSeparateFiles = null,
@@ -129,7 +130,7 @@ namespace EonaCat.LogStack.Flows
             BackpressureStrategy backpressure = BackpressureStrategy.DropOldest,
             FileOutputFormat outputFormat = FileOutputFormat.Text,
             CompressionFormat compression = CompressionFormat.GZip,
-            string template = "[{ts}] [{tz}] [Host: {host}] [Category: {category}] [Thread: {thread}] [{logtype}] {message}{props}",
+            string template = "[{ts}] [Host: {host}] [Category: {category}] [Thread: {thread}] [{logtype}] {message}{props}",
             long maxMemoryBytes = 20 * 1024 * 1024)
             : base("File:" + Path.Combine(directory, filePrefix), minimumLevel)
         {
@@ -150,6 +151,7 @@ namespace EonaCat.LogStack.Flows
 
             CheckForProcessTermination();
 
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
             _directory = directory;
             _filePrefix = filePrefix;
             _template = template;
@@ -505,7 +507,7 @@ namespace EonaCat.LogStack.Flows
                     // Drain additional items
                     int extra = 0;
                     LogEvent next;
-                    while (extra < DefaultBatchSize && _queue.TryTake(out next))
+                    while (extra < _batchSize && _queue.TryTake(out next))
                     {
                         WriteLogEvent(next);
                         extra++;

EonaCat.LogStack/EonaCatLoggerCore/Flows/GrayLogFlow.cs

@@ -17,7 +17,7 @@ namespace EonaCat.LogStack.Flows
 
     public sealed class GraylogFlow : FlowBase
     {
-        private const int DefaultBatchSize = 256;
+        private readonly int _batchSize;
         private const int ChannelCapacity = 4096;
         private const int MaxUdpPacketSize = 8192;
 
@@ -39,6 +39,7 @@ namespace EonaCat.LogStack.Flows
             int port = 12201,
             bool useTcp = false,
             string graylogHostName = null,
+            int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Trace,
             BackpressureStrategy backpressureStrategy = BackpressureStrategy.DropOldest)
             : base($"Graylog:{host}:{port}", minimumLevel)
@@ -48,6 +49,7 @@ namespace EonaCat.LogStack.Flows
             _useTcp = useTcp;
             _backpressureStrategy = backpressureStrategy;
             _graylogHostName = graylogHostName ?? Environment.MachineName;
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
 
             var channelOptions = new BoundedChannelOptions(ChannelCapacity)
             {
@@ -122,7 +124,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessLogEventsAsync(CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
 
             while (!cancellationToken.IsCancellationRequested)
             {
@@ -137,7 +139,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize || _channel.Reader.Count == 0)
+                        if (batch.Count >= _batchSize || _channel.Reader.Count == 0)
                         {
                             await SendBatchAsync(batch, cancellationToken);
                             batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/HttpFlow.cs

@@ -19,7 +19,7 @@ public sealed class HttpFlow : FlowBase
     // See the LICENSE file or go to https://EonaCat.com/License for full license details.
 
     private const int ChannelCapacity = 2048;
-    private const int DefaultBatchSize = 50;
+    private readonly int _batchSize;
     private const int MaxRetries = 3;
 
     private readonly Channel<LogEvent> _channel;
@@ -35,6 +35,7 @@ public sealed class HttpFlow : FlowBase
     public HttpFlow(
         string endpoint,
         HttpClient? httpClient = null,
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Information,
         TimeSpan? batchInterval = null,
         Dictionary<string, string>? headers = null)
@@ -58,6 +59,7 @@ public sealed class HttpFlow : FlowBase
             _ownHttpClient = false;
         }
 
+        _batchSize = batchSize <= 0 ? 1 : batchSize;
         var channelOptions = new BoundedChannelOptions(ChannelCapacity)
         {
             FullMode = BoundedChannelFullMode.DropOldest,
@@ -103,7 +105,7 @@ public sealed class HttpFlow : FlowBase
 
     private async Task ProcessLogEventsAsync(CancellationToken cancellationToken)
     {
-        var batch = new List<LogEvent>(DefaultBatchSize);
+        var batch = new List<LogEvent>(_batchSize);
 
         try
         {
@@ -112,7 +114,7 @@ public sealed class HttpFlow : FlowBase
                 var hasMore = true;
 
                 // Collect batch
-                while (batch.Count < DefaultBatchSize && hasMore)
+                while (batch.Count < _batchSize && hasMore)
                 {
                     if (_channel.Reader.TryRead(out var logEvent))
                     {

EonaCat.LogStack/EonaCatLoggerCore/Flows/MicrosoftTeamsFlow.cs

@@ -19,7 +19,7 @@ namespace EonaCat.LogStack.Flows
     public sealed class MicrosoftTeamsFlow : FlowBase, IAsyncDisposable
     {
         private const int ChannelCapacity = 4096;
-        private const int DefaultBatchSize = 5; // Keep batches small to avoid throttling
+        private readonly int _batchSize;
 
         private readonly Channel<LogEvent> _channel;
         private readonly Task _workerTask;
@@ -29,6 +29,7 @@ namespace EonaCat.LogStack.Flows
 
         public MicrosoftTeamsFlow(
             string webhookUrl,
+            int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Information)
             : base("MicrosoftTeams", minimumLevel)
         {
@@ -42,6 +43,7 @@ namespace EonaCat.LogStack.Flows
                 SingleWriter = false
             };
 
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
             _channel = Channel.CreateBounded<LogEvent>(channelOptions);
             _cts = new CancellationTokenSource();
             _workerTask = Task.Run(() => ProcessQueueAsync(_cts.Token));
@@ -66,7 +68,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessQueueAsync(CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
 
             try
             {
@@ -76,7 +78,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize)
+                        if (batch.Count >= _batchSize)
                         {
                             await SendBatchAsync(batch, cancellationToken);
                             batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/SlackFlow.cs

@@ -16,7 +16,7 @@ namespace EonaCat.LogStack.Flows
     public sealed class SlackFlow : FlowBase, IAsyncDisposable
     {
         private const int ChannelCapacity = 4096;
-        private const int DefaultBatchSize = 5; // Slack rate-limits, small batches are safer
+        private readonly int _batchSize;
 
         private readonly Channel<LogEvent> _channel;
         private readonly Task _workerTask;
@@ -26,6 +26,7 @@ namespace EonaCat.LogStack.Flows
 
         public SlackFlow(
             string webhookUrl,
+            int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Information)
             : base("Slack", minimumLevel)
         {
@@ -39,6 +40,7 @@ namespace EonaCat.LogStack.Flows
                 SingleWriter = false
             };
 
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
             _channel = Channel.CreateBounded<LogEvent>(channelOptions);
             _cts = new CancellationTokenSource();
             _workerTask = Task.Run(() => ProcessQueueAsync(_cts.Token));
@@ -63,7 +65,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessQueueAsync(CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
 
             try
             {
@@ -73,7 +75,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize)
+                        if (batch.Count >= _batchSize)
                         {
                             await SendBatchAsync(batch, cancellationToken);
                             batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/SplunkFlow.cs

@@ -15,7 +15,7 @@ namespace EonaCat.LogStack.Flows
 {
     public sealed class SplunkFlow : FlowBase
     {
-        private const int DefaultBatchSize = 256;
+        private readonly int _batchSize;
         private const int ChannelCapacity = 4096;
 
         private readonly Channel<LogEvent> _channel;
@@ -35,6 +35,7 @@ namespace EonaCat.LogStack.Flows
             string token,
             string sourcetype = "splunk_logs",
             string hostName = null,
+            int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Trace,
             BackpressureStrategy backpressureStrategy = BackpressureStrategy.DropOldest)
             : base($"Splunk:{splunkUrl}", minimumLevel)
@@ -58,6 +59,7 @@ namespace EonaCat.LogStack.Flows
                 SingleWriter = false
             };
 
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
             _channel = Channel.CreateBounded<LogEvent>(channelOptions);
             _cts = new CancellationTokenSource();
             _httpClient = new HttpClient();
@@ -114,7 +116,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessLogEventsAsync(CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
 
             while (!cancellationToken.IsCancellationRequested)
             {
@@ -124,7 +126,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize || _channel.Reader.Count == 0)
+                        if (batch.Count >= _batchSize || _channel.Reader.Count == 0)
                         {
                             await SendBatchAsync(batch, cancellationToken);
                             batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/SyslogTcpFlow.cs

@@ -19,7 +19,7 @@ namespace EonaCat.LogStack.Flows
 
     public sealed class SyslogTcpFlow : FlowBase
     {
-        private const int DefaultBatchSize = 256;
+        private readonly int _batchSize;
         private const int ChannelCapacity = 4096;
 
         private readonly Channel<LogEvent> _channel;
@@ -38,6 +38,7 @@ namespace EonaCat.LogStack.Flows
         public SyslogTcpFlow(
     string host,
     int port = 514,
+    int batchSize = 1,
     LogLevel minimumLevel = LogLevel.Trace,
     BackpressureStrategy backpressureStrategy = BackpressureStrategy.DropOldest,
     bool useTls = false,
@@ -49,6 +50,8 @@ namespace EonaCat.LogStack.Flows
             _port = port;
             _backpressureStrategy = backpressureStrategy;
 
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
+
             _useTls = useTls;
             _certValidationCallback = certValidationCallback ?? DefaultCertificateValidation;
             _clientCertificates = clientCertificates;
@@ -118,7 +121,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessLogEventsAsync(CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
             var sb = new StringBuilder(8192);
 
             while (!cancellationToken.IsCancellationRequested)
@@ -131,7 +134,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize || _channel.Reader.Count == 0)
+                        if (batch.Count >= _batchSize || _channel.Reader.Count == 0)
                         {
                             await SendBatchAsync(batch, sb, cancellationToken);
                             batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/SyslogUdpFlow.cs

@@ -16,7 +16,7 @@ namespace EonaCat.LogStack.Flows
 
     public sealed class SyslogUdpFlow : FlowBase
     {
-        private const int DefaultBatchSize = 256;
+        private readonly int _batchSize;
         private const int ChannelCapacity = 4096;
         private const int MaxUdpPacketSize = 4096;
 
@@ -32,6 +32,7 @@ namespace EonaCat.LogStack.Flows
         public SyslogUdpFlow(
             string host,
             int port = 514,
+            int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Trace,
             BackpressureStrategy backpressureStrategy = BackpressureStrategy.DropOldest)
             : base($"SyslogUDP:{host}:{port}", minimumLevel)
@@ -40,6 +41,8 @@ namespace EonaCat.LogStack.Flows
             _port = port;
             _backpressureStrategy = backpressureStrategy;
 
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
+
             var channelOptions = new BoundedChannelOptions(ChannelCapacity)
             {
                 FullMode = backpressureStrategy switch
@@ -108,7 +111,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessLogEventsAsync(CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
             var sb = new StringBuilder(8192);
 
             while (!cancellationToken.IsCancellationRequested)
@@ -119,7 +122,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize || _channel.Reader.Count == 0)
+                        if (batch.Count >= _batchSize || _channel.Reader.Count == 0)
                         {
                             await SendBatchAsync(batch, sb, cancellationToken);
                             batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/TcpFlow.cs

@@ -17,7 +17,7 @@ namespace EonaCat.LogStack.Flows;
 
 public sealed class TcpFlow : FlowBase
 {
-    private const int DefaultBatchSize = 256;
+    private readonly int _batchSize;
     private const int ChannelCapacity = 4096;
 
     private readonly Channel<LogEvent> _channel;
@@ -36,6 +36,7 @@ public sealed class TcpFlow : FlowBase
     public TcpFlow(
         string host,
         int port,
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace,
         BackpressureStrategy backpressureStrategy = BackpressureStrategy.DropOldest,
         bool useTls = false,
@@ -47,6 +48,8 @@ public sealed class TcpFlow : FlowBase
         _port = port;
         _backpressureStrategy = backpressureStrategy;
 
+        _batchSize = batchSize <= 0 ? 1 : batchSize;
+
         _useTls = useTls;
         _certValidationCallback = certValidationCallback ?? DefaultCertificateValidation;
         _clientCertificates = clientCertificates;
@@ -163,7 +166,7 @@ public sealed class TcpFlow : FlowBase
 
     private async Task ProcessLogEventsAsync(CancellationToken cancellationToken)
     {
-        var batch = new List<LogEvent>(DefaultBatchSize);
+        var batch = new List<LogEvent>(_batchSize);
         var sb = new StringBuilder(8192);
 
         while (!cancellationToken.IsCancellationRequested)
@@ -176,7 +179,7 @@ public sealed class TcpFlow : FlowBase
                 {
                     batch.Add(logEvent);
 
-                    if (batch.Count >= DefaultBatchSize || _channel.Reader.Count == 0)
+                    if (batch.Count >= _batchSize || _channel.Reader.Count == 0)
                     {
                         await SendBatchAsync(batch, sb, cancellationToken);
                         batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/TelegramFlow.cs

@@ -19,7 +19,7 @@ namespace EonaCat.LogStack.Flows
     public sealed class TelegramFlow : FlowBase, IAsyncDisposable
     {
         private const int ChannelCapacity = 4096;
-        private const int DefaultBatchSize = 5;
+        private readonly int _batchSize;
 
         private readonly Channel<LogEvent> _channel;
         private readonly Task _workerTask;
@@ -31,6 +31,7 @@ namespace EonaCat.LogStack.Flows
         public TelegramFlow(
             string botToken,
             string chatId,
+            int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Information)
             : base("Telegram", minimumLevel)
         {
@@ -45,6 +46,7 @@ namespace EonaCat.LogStack.Flows
                 SingleWriter = false
             };
 
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
             _channel = Channel.CreateBounded<LogEvent>(channelOptions);
             _cts = new CancellationTokenSource();
             _workerTask = Task.Run(() => ProcessQueueAsync(_cts.Token));
@@ -69,7 +71,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessQueueAsync(CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
 
             try
             {
@@ -79,7 +81,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize)
+                        if (batch.Count >= _batchSize)
                         {
                             await SendBatchAsync(batch, cancellationToken);
                             batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/UdpFlow.cs

@@ -15,7 +15,7 @@ namespace EonaCat.LogStack.Flows;
 
 public sealed class UdpFlow : FlowBase
 {
-    private const int DefaultBatchSize = 256;
+    private readonly int _batchSize;
     private const int ChannelCapacity = 4096;
 
     private readonly Channel<LogEvent> _channel;
@@ -33,6 +33,7 @@ public sealed class UdpFlow : FlowBase
        string host,
        int port,
        int flushIntervalInMilliseconds = 2000,
+       int batchSize = 1,
        LogLevel minimumLevel = LogLevel.Trace,
        BackpressureStrategy backpressureStrategy = BackpressureStrategy.DropOldest)
        : base($"UDP:{host}:{port}", minimumLevel)
@@ -42,6 +43,8 @@ public sealed class UdpFlow : FlowBase
         _backpressureStrategy = backpressureStrategy;
         _flushInterval = TimeSpan.FromMilliseconds(flushIntervalInMilliseconds);
 
+        _batchSize = batchSize <= 0 ? 1 : batchSize;
+
         _udpClient = new UdpClient();
 
         var channelOptions = new BoundedChannelOptions(ChannelCapacity)
@@ -117,7 +120,7 @@ public sealed class UdpFlow : FlowBase
 
     private async Task ProcessLogEventsAsync(CancellationToken cancellationToken)
     {
-        var batch = new List<LogEvent>(DefaultBatchSize);
+        var batch = new List<LogEvent>(_batchSize);
         var sb = new StringBuilder(8192);
 
         try
@@ -126,7 +129,7 @@ public sealed class UdpFlow : FlowBase
             {
                 batch.Add(logEvent);
 
-                if (batch.Count >= DefaultBatchSize || _channel.Reader.Count == 0)
+                if (batch.Count >= _batchSize || _channel.Reader.Count == 0)
                 {
                     await SendBatchAsync(batch, sb, cancellationToken);
                     batch.Clear();

EonaCat.LogStack/EonaCatLoggerCore/Flows/ZabbixFlow.cs

@@ -16,7 +16,7 @@ namespace EonaCat.LogStack.Flows
 
     public sealed class ZabbixFlow : FlowBase
     {
-        private const int DefaultBatchSize = 256;
+        private readonly int _batchSize;
         private const int ChannelCapacity = 4096;
 
         private readonly Channel<LogEvent> _channel;
@@ -36,6 +36,7 @@ namespace EonaCat.LogStack.Flows
             int port = 10051,
             string zabbixHostName = null,
             string zabbixKey = "log_event",
+            int batchSize = 1,
             LogLevel minimumLevel = LogLevel.Trace,
             BackpressureStrategy backpressureStrategy = BackpressureStrategy.DropOldest)
             : base($"Zabbix:{host}:{port}", minimumLevel)
@@ -59,6 +60,7 @@ namespace EonaCat.LogStack.Flows
                 SingleWriter = false
             };
 
+            _batchSize = batchSize <= 0 ? 1 : batchSize;
             _channel = Channel.CreateBounded<LogEvent>(channelOptions);
             _cts = new CancellationTokenSource();
             _senderTask = Task.Run(() => ProcessLogEventsAsync(_cts.Token));
@@ -113,7 +115,7 @@ namespace EonaCat.LogStack.Flows
 
         private async Task ProcessLogEventsAsync(CancellationToken cancellationToken)
         {
-            var batch = new List<LogEvent>(DefaultBatchSize);
+            var batch = new List<LogEvent>(_batchSize);
 
             while (!cancellationToken.IsCancellationRequested)
             {
@@ -125,7 +127,7 @@ namespace EonaCat.LogStack.Flows
                     {
                         batch.Add(logEvent);
 
-                        if (batch.Count >= DefaultBatchSize || _channel.Reader.Count == 0)
+                        if (batch.Count >= _batchSize || _channel.Reader.Count == 0)
                         {
                             await SendBatchAsync(batch, cancellationToken);
                             batch.Clear();

EonaCat.LogStack/LogBuilder.cs

@@ -98,12 +98,13 @@ public sealed class LogBuilder
         FileRetentionPolicy fileRetentionPolicy = null,
         int flushIntervalInMilliSeconds = 2000,
         bool useCategoryRouting = false,
+        int batchSize = 1,
         LogLevel[]? logLevelsForSeparateFiles = null,
         LogLevel minimumLevel = LogLevel.Trace,
         BackpressureStrategy backpressureStrategy = BackpressureStrategy.Wait,
         FileOutputFormat outputFormat = FileOutputFormat.Text,
         CompressionFormat compression = CompressionFormat.GZip,
-        string template = "[{ts}] [{tz}] [Host: {host}] [Category: {category}] [Thread: {thread}] [{logtype}] {message}{props}")
+        string template = "[{ts}] [Host: {host}] [Category: {category}] [Thread: {thread}] [{logtype}] {message}{props}")
     {
         _flows.Add(new FileFlow(
             directory,
@@ -111,6 +112,7 @@ public sealed class LogBuilder
             maxFileSize,
             fileRetentionPolicy,
             flushIntervalInMilliSeconds,
+            batchSize,
             minimumLevel,
             useCategoryRouting,
             logLevelsForSeparateFiles,
@@ -197,11 +199,13 @@ public sealed class LogBuilder
     public LogBuilder WriteToDatabase(
         Func<DbConnection> connectionFactory,
         string tableName = "logs",
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace)
     {
         _flows.Add(new DatabaseFlow(
             connectionFactory,
             tableName,
+            batchSize,
             minimumLevel));
         return this;
     }
@@ -225,11 +229,13 @@ public sealed class LogBuilder
     public LogBuilder WriteToDiscord(
         string webHookUrl,
         string botName = "EonaCatBot",
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace)
     {
         _flows.Add(new DiscordFlow(
             webHookUrl,
             botName,
+            batchSize,
             minimumLevel));
         return this;
     }
@@ -240,11 +246,13 @@ public sealed class LogBuilder
     public LogBuilder WriteToElasticSearch(
         string elasticSearchUrl,
         string indexName = "EonaCatIndex",
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace)
     {
         _flows.Add(new ElasticSearchFlow(
             elasticSearchUrl,
             indexName,
+            batchSize,
             minimumLevel));
         return this;
     }
@@ -252,11 +260,12 @@ public sealed class LogBuilder
     /// <summary>
     /// Adds Telegram
     /// </summary>
-    public LogBuilder WriteToTelegram(string botToken, string chatId = "EonaCat", LogLevel minimumLevel = LogLevel.Trace)
+    public LogBuilder WriteToTelegram(string botToken, string chatId = "EonaCat", int batchSize = 1, LogLevel minimumLevel = LogLevel.Trace)
     {
         _flows.Add(new TelegramFlow(
             botToken,
             chatId,
+            batchSize,
             minimumLevel));
         return this;
     }
@@ -302,10 +311,11 @@ public sealed class LogBuilder
     /// <summary>
     /// Adds Slack
     /// </summary>
-    public LogBuilder WriteToSlack(string webhookUrl, LogLevel minimumLevel = LogLevel.Trace)
+    public LogBuilder WriteToSlack(string webhookUrl, int batchSize = 1, LogLevel minimumLevel = LogLevel.Trace)
     {
         _flows.Add(new SlackFlow(
             webhookUrl,
+            batchSize,
             minimumLevel));
         return this;
     }
@@ -313,10 +323,11 @@ public sealed class LogBuilder
     /// <summary>
     /// Adds Slack
     /// </summary>
-    public LogBuilder WriteToMicrosoftTeams(string webhookUrl, LogLevel minimumLevel = LogLevel.Trace)
+    public LogBuilder WriteToMicrosoftTeams(string webhookUrl, int batchSize = 1, LogLevel minimumLevel = LogLevel.Trace)
     {
         _flows.Add(new MicrosoftTeamsFlow(
             webhookUrl,
+            batchSize,
             minimumLevel));
         return this;
     }
@@ -436,6 +447,7 @@ public sealed class LogBuilder
     public LogBuilder WriteToSyslogTcp(
         string host,
         int port = 514,
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace,
         BackpressureStrategy backpressureStrategy = BackpressureStrategy.Wait,
         bool useTls = false,
@@ -455,6 +467,7 @@ public sealed class LogBuilder
         _flows.Add(new SyslogTcpFlow(
             host,
             port,
+            batchSize,
             minimumLevel,
             backpressureStrategy,
             useTls,
@@ -488,12 +501,14 @@ public sealed class LogBuilder
     public LogBuilder WriteToSyslogUdp(
         string host,
         int port,
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace,
         BackpressureStrategy backpressureStrategy = BackpressureStrategy.Wait)
     {
         _flows.Add(new SyslogUdpFlow(
             host,
             port,
+            batchSize,
             minimumLevel,
             backpressureStrategy));
         return this;
@@ -507,6 +522,7 @@ public sealed class LogBuilder
         int port = 10051,
         string zabbixHostname = null,
         string zabbixKey = "log_event",
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace,
         BackpressureStrategy backpressureStrategy = BackpressureStrategy.Wait)
     {
@@ -515,6 +531,7 @@ public sealed class LogBuilder
             port,
             zabbixHostname,
             zabbixKey,
+            batchSize,
             minimumLevel,
             backpressureStrategy));
         return this;
@@ -528,6 +545,7 @@ public sealed class LogBuilder
         int port = 12201,
         bool useTcp = false,
         string graylogHostName = null,
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace,
         BackpressureStrategy backpressureStrategy = BackpressureStrategy.Wait)
     {
@@ -536,6 +554,7 @@ public sealed class LogBuilder
             port,
             useTcp,
             graylogHostName,
+            batchSize,
             minimumLevel,
             backpressureStrategy));
         return this;
@@ -620,6 +639,7 @@ public sealed class LogBuilder
         string token,
         string sourceType = "splunk_logs",
         string hostName = null,
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace,
         BackpressureStrategy backpressureStrategy = BackpressureStrategy.Wait)
     {
@@ -628,6 +648,7 @@ public sealed class LogBuilder
             token,
             sourceType,
             hostName,
+            batchSize,
             minimumLevel,
             backpressureStrategy));
         return this;
@@ -707,6 +728,7 @@ public sealed class LogBuilder
         string host,
         int port,
         int flushIntervalInMilliseconds = 1000,
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace,
         BackpressureStrategy backpressureStrategy = BackpressureStrategy.Wait)
     {
@@ -714,6 +736,7 @@ public sealed class LogBuilder
             host,
             port,
             flushIntervalInMilliseconds,
+            batchSize,
             minimumLevel,
             backpressureStrategy));
         return this;
@@ -736,6 +759,7 @@ public sealed class LogBuilder
     public LogBuilder WriteToHttp(
         string endpoint,
         HttpClient? httpClient = null,
+        int batchSize = 1,
         LogLevel minimumLevel = LogLevel.Trace,
         TimeSpan? batchInterval = null,
         Dictionary<string, string>? headers = null)
@@ -743,6 +767,7 @@ public sealed class LogBuilder
         _flows.Add(new HttpFlow(
             endpoint,
             httpClient,
+            batchSize,
             minimumLevel,
             batchInterval,
             headers));

Testers/EonaCat.LogStack.Test.Web/Program.cs

@@ -17,8 +17,8 @@ namespace EonaCat.LogStack.Test.Web
             _ = Task.Run(async () =>
             {
                 var logBuilder = new LogBuilder();
+                logBuilder.WithTimestampMode(TimestampMode.Local);
                 logBuilder.WriteToConsole();
-                logBuilder.WriteToFile("./logs");
                 logBuilder.WriteToFile("./logs", outputFormat: FileOutputFormat.Json);
                 logBuilder.WriteToFile("./logs", outputFormat: FileOutputFormat.Xml);
                 logBuilder.WriteToTcp("127.0.0.1", 514);