From d3ab7d4cf56e43d4501377c49d84fbd66fdeaa33 Mon Sep 17 00:00:00 2001
From: coolsnowwolf <coolsnowwolf@gmail.com>
Date: Tue, 25 Sep 2018 22:16:52 +0800
Subject: [PATCH] improve pdnsd performace

---
 package/lean/luci-app-ssr-pro/Makefile               |  2 +-
 package/lean/luci-app-ssr-pro/root/etc/init.d/ssrpro | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/package/lean/luci-app-ssr-pro/Makefile b/package/lean/luci-app-ssr-pro/Makefile
index 4d46ed57f..b8fab4bbf 100644
--- a/package/lean/luci-app-ssr-pro/Makefile
+++ b/package/lean/luci-app-ssr-pro/Makefile
@@ -9,7 +9,7 @@ LUCI_TITLE:=LuCI support for SSR Pro
 LUCI_DEPENDS:=+iptables-mod-tproxy +kmod-ipt-tproxy +ip +ipset-lists +shadowsocksr-libev-alt +shadowsocks-libev-ss-redir +pdnsd-alt +coreutils +coreutils-base64 +coreutils-nohup +dnsmasq-full
 LUCI_PKGARCH:=all
 PKG_VERSION:=2
-PKG_RELEASE:=28
+PKG_RELEASE:=29
 
 include $(TOPDIR)/feeds/luci/luci.mk
 
diff --git a/package/lean/luci-app-ssr-pro/root/etc/init.d/ssrpro b/package/lean/luci-app-ssr-pro/root/etc/init.d/ssrpro
index 2c1418935..6980a7ee0 100755
--- a/package/lean/luci-app-ssr-pro/root/etc/init.d/ssrpro
+++ b/package/lean/luci-app-ssr-pro/root/etc/init.d/ssrpro
@@ -217,13 +217,13 @@ start_pdnsd()
 	
 	mkdir -p /var/etc /var/pdnsd
 	if ! test -f "/var/pdnsd/pdnsd.cache"; then
-    dd if=/dev/zero of="/var/pdnsd/pdnsd.cache" bs=1 count=4 2> /dev/null
+    echo -ne "pd13\000\000\000\000" >/var/pdnsd/pdnsd.cache
     chown -R nobody.nogroup /var/pdnsd
   fi
 	
 	cat > /var/etc/pdnsd.conf <<EOF
 global {
-	perm_cache=10240;
+	perm_cache=1024;
 	cache_dir="/var/pdnsd";
 	pid_file = /var/run/pdnsd.pid;
 	run_as="nobody";
@@ -235,8 +235,8 @@ global {
 	max_ttl=1w;
 	timeout=10;
 	neg_domain_pol=on;
-	proc_limit=2;
-	procq_limit=8;
+	proc_limit=40;
+	procq_limit=60;
 }
 server {
 	label= "fwxxx";
@@ -265,7 +265,7 @@ stop_pdnsd()
 		while iptables -t nat -D OUTPUT -p tcp --dport 53 -j pdnsd_output 2>/dev/null; do :; done
 		iptables -t nat -X pdnsd_output
 	fi
-	killall -9 pdnsd 2>/dev/null
+	kill $(cat /var/run/pdnsd.pid) >/dev/null 2>&1 || killall -9 pdnsd >/dev/null 2>&1 
 	rm -rf /var/pdnsd
 	rm -f /var/etc/pdnsd.conf
 }