diff --git a/src/Parquet/File/DataColumnWriter.cs b/src/Parquet/File/DataColumnWriter.cs
index 9f1cf3b8..d530393d 100644
--- a/src/Parquet/File/DataColumnWriter.cs
+++ b/src/Parquet/File/DataColumnWriter.cs
@@ -84,7 +84,8 @@ private async Task CompressAndWriteAsync(
             ph.Write(new Meta.Proto.ThriftCompactProtocolWriter(headerMs));
             int headerSize = (int)headerMs.Length;
             headerMs.Position = 0;
-            _stream.Flush();
+            // there used to be a flush here, but removed in #432 due to excessive flushing on expensive streams
+
             await headerMs.CopyToAsync(_stream);
 
             // write data
diff --git a/src/Parquet/ParquetOptions.cs b/src/Parquet/ParquetOptions.cs
index da186651..9a6bb7f1 100644
--- a/src/Parquet/ParquetOptions.cs
+++ b/src/Parquet/ParquetOptions.cs
@@ -6,6 +6,7 @@ namespace Parquet {
     /// Parquet options
     /// </summary>
     public class ParquetOptions {
+        
         /// <summary>
         /// When true byte arrays will be treated as UTF-8 strings on read
         /// </summary>