Merge branch 'master' of https://github.com/neuecc/EtwStream

README.md

@@ -79,11 +79,11 @@ ObservableEventListener is simple wrapper of `EventListener` and `TraceEvent(Mic
 | LogToConsole     | Output by Console.WriteLine with colored.
 | LogToDebug       | Output by Debug.WriteLine.
 | LogToTrace       | Output by Trace.WriteLine.
-| LogToFile        | Output to flat file by true asynchronous I/O's high performance sink.
-| LogToRollingFile | Output to flat file with file rotate rule by true asynchronous I/O's high performance sink.
+| LogToFile        | Output to flat file.
+| LogToRollingFile | Output to flat file with file rotate.
 | LogTo            | LogTo is helper for multiple subscribe.
 
-> How to make original Sink? I recommend log to Azure EventHubs, AWS Kinesis, BigQuery Streaming insert directly. Log to file is legacy way! Document is not available yet. Please see [Sinks](https://github.com/neuecc/EtwStream/tree/master/EtwStream.Core/Sinks) codes and please here to me. 
+> How to make original Sink? I recommend log to Azure EventHubs, AWS Kinesis, BigQuery Streaming insert directly. Log to file is legacy way! Document is not available yet. Please see [Sinks](https://github.com/neuecc/EtwStream/tree/master/EtwStream/Sinks) codes and please here to me. 
 
 > EtwStream's FileSink is fastest file logger, I'll show benchmark results.
 
@@ -124,8 +124,9 @@ ObservableEventListener.FromTraceEvent("SampleEventSource")
         // RollingFile:
         // fileNameSelector's DateTime is date of file open time, int is number sequence.
         // timestampPattern's DateTime is write time of message. If pattern is different then roll new file.
+        // timestampPattern must be integer at last word.
         var d1 = xs.LogToRollingFile(
-            fileNameSelector: (dt, i) => $@"{dt.ToString("yyyyMMdd")}Log-{i}.log",
+            fileNameSelector: (dt, i) => $@"{dt.ToString("yyyyMMdd")}_MyLog_{i.ToString("00")}.log",
             timestampPattern: x => x.ToString("yyyyMMdd"),
             rollSizeKB: 10000,
             messageFormatter: x => x.DumpPayloadOrMessage(),