From 47f5c6c265e39c2539056fc0a4d454da6f30516b Mon Sep 17 00:00:00 2001
From: Steven Allen <steven@stebalien.com>
Date: Mon, 4 Mar 2019 18:15:55 -0800
Subject: [PATCH] yamux: increase yamux window size to 8MiB.

This _should_ be variable. But, until we can get around to fixing that, 8MiB
means a max speed of 40MiB given a 200ms RTT. The current limit gives us a
2.5MiB max rate which _really_ hurts.

License: MIT
Signed-off-by: Steven Allen <steven@stebalien.com>
---
 core/core.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/core.go b/core/core.go
index 9c5ee603033..d3be559db81 100644
--- a/core/core.go
+++ b/core/core.go
@@ -418,7 +418,7 @@ func makeSmuxTransportOption(mplexExp bool) libp2p.Option {
 		ConnectionWriteTimeout: time.Second * 10,
 		KeepAliveInterval:      time.Second * 30,
 		EnableKeepAlive:        true,
-		MaxStreamWindowSize:    uint32(1024 * 512),
+		MaxStreamWindowSize:    uint32(16 * 1024 * 1024), // 16MiB
 		LogOutput:              ioutil.Discard,
 	}