From f83561a2f95cc42003784e508761bc50c64a3326 Mon Sep 17 00:00:00 2001
From: nyoungbq <nathan.young@bluequartz.net>
Date: Thu, 9 Nov 2023 15:16:36 -0500
Subject: [PATCH] buffer dump every 2mb

---
 .../Filters/Algorithms/VtkRectilinearGridWriter.cpp   | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/Plugins/ComplexCore/src/ComplexCore/Filters/Algorithms/VtkRectilinearGridWriter.cpp b/src/Plugins/ComplexCore/src/ComplexCore/Filters/Algorithms/VtkRectilinearGridWriter.cpp
index b4461a7cc5..4de9210299 100644
--- a/src/Plugins/ComplexCore/src/ComplexCore/Filters/Algorithms/VtkRectilinearGridWriter.cpp
+++ b/src/Plugins/ComplexCore/src/ComplexCore/Filters/Algorithms/VtkRectilinearGridWriter.cpp
@@ -11,6 +11,8 @@ using namespace complex;
 
 namespace
 {
+static constexpr usize k_BufferDumpVal = 2000000;
+
 // -----------------------------------------------------------------------------
 template <typename T>
 std::string TypeForPrimitive(T value, const IFilter::MessageHandler& messageHandler)
@@ -178,6 +180,7 @@ struct WriteVtkDataArrayFunctor
     else
     {
       std::stringstream ss;
+      usize nextDump = k_BufferDumpVal;
       for(size_t i = 0; i < totalElements; i++)
       {
         if(i % 20 == 0 && i > 0)
@@ -192,6 +195,14 @@ struct WriteVtkDataArrayFunctor
         {
           ss << " " << dataArray[i];
         }
+
+        if(i > nextDump)
+        {
+          fprintf(outputFile, "%s", ss.str().c_str());
+          ss.clear();
+
+          nextDump += k_BufferDumpVal;
+        }
       }
       ss << "\n";
       fprintf(outputFile, "%s", ss.str().c_str());