From c6574f4232efe259f225d443df5db442fa240052 Mon Sep 17 00:00:00 2001
From: Will Hawkins <whh8b@obs.cr>
Date: Sat, 18 Dec 2021 01:15:50 -0500
Subject: Performance (Try 3): Experiment with preallocating buffers.

---
 lbc/lbc.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'lbc')

diff --git a/lbc/lbc.go b/lbc/lbc.go
index d0014dd..5cfcf9f 100644
--- a/lbc/lbc.go
+++ b/lbc/lbc.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"net/http"
 	"sync/atomic"
 )
@@ -90,8 +91,9 @@ func (lbd *LoadBearingConnectionDownload) doDownload(ctx context.Context) {
 		lbd.valid = false
 		return
 	}
+	buff := make([]byte, 500*1024*1024)
 	cr := &countingReader{n: &lbd.downloaded, ctx: ctx, readable: get.Body}
-	_, _ = io.ReadAll(cr)
+	_, _ = io.CopyBuffer(ioutil.Discard, cr, buff)
 	lbd.valid = false
 	get.Body.Close()
 	if lbd.debug {
-- 
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