From f2724261f1a6942886248e0363774e0f69f571f2 Mon Sep 17 00:00:00 2001
From: casey langen <casey.langen@gmail.com>
Date: Sun, 18 Oct 2020 14:50:03 -0700
Subject: [PATCH] fwrite() more aggressively in HttpDataStream so data is
 available immediately to readers.

---
 src/plugins/httpdatastream/HttpDataStream.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/plugins/httpdatastream/HttpDataStream.cpp b/src/plugins/httpdatastream/HttpDataStream.cpp
index d677cc07b..5207b8197 100755
--- a/src/plugins/httpdatastream/HttpDataStream.cpp
+++ b/src/plugins/httpdatastream/HttpDataStream.cpp
@@ -464,10 +464,11 @@ size_t HttpDataStream::CurlWriteCallback(char *ptr, size_t size, size_t nmemb, v
 
     size_t total = size * nmemb;
     size_t result = fwrite(ptr, size, nmemb, stream->writeFile);
+    fflush(stream->writeFile); /* normally we wouldn't want to do this, but it ensures
+     data written is available immediately to any simultaneous readers */
     stream->written += result;
 
     if (stream->written >= stream->chunkSizeBytes) {
-        fflush(stream->writeFile);
         stream->reader->Add(stream->written);
         stream->written = 0;
     }