From: Matt Joiner <anacrolix@gmail.com>
Date: Fri, 16 Feb 2018 01:15:56 +0000 (+1100)
Subject: Adjust some config defaults
X-Git-Tag: v1.0.0~163
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=aab77ab05d736afb2436ca36ab603786f5fce2a1;p=btrtrc.git

Adjust some config defaults
---

diff --git a/config.go b/config.go
index ff222b32..860f6cd1 100644
--- a/config.go
+++ b/config.go
@@ -130,16 +130,17 @@ func (cfg *Config) setDefaults() {
 		cfg.MinDialTimeout = 5 * time.Second
 	}
 	if cfg.EstablishedConnsPerTorrent == 0 {
-		cfg.EstablishedConnsPerTorrent = 80
+		cfg.EstablishedConnsPerTorrent = 50
 	}
 	if cfg.HalfOpenConnsPerTorrent == 0 {
-		cfg.HalfOpenConnsPerTorrent = 80
+		cfg.HalfOpenConnsPerTorrent = (cfg.EstablishedConnsPerTorrent + 1) / 2
 	}
 	if cfg.TorrentPeersHighWater == 0 {
+		// Memory and freshness are the concern here.
 		cfg.TorrentPeersHighWater = 500
 	}
 	if cfg.TorrentPeersLowWater == 0 {
-		cfg.TorrentPeersLowWater = 50
+		cfg.TorrentPeersLowWater = 2 * cfg.HalfOpenConnsPerTorrent
 	}
 	if cfg.HandshakesTimeout == 0 {
 		cfg.HandshakesTimeout = 20 * time.Second