add sysctl.conf/limits.conf

fungchou · Jan 4, 2015 · 9ef8a45 · 9ef8a45
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commit 9ef8a45
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diff --git a/server/vps/limits.conf b/server/vps/limits.conf
@@ -0,0 +1,3 @@
+# ����Ӧ�ó���������ļ���Ŀ����
+*	hard    nofile          65535
+*	soft    nofile          65535
diff --git a/server/vps/sysctl.conf b/server/vps/sysctl.conf
@@ -0,0 +1,41 @@
+# ϵͳ���н���һ�����Դ򿪵��ļ������� ÿ���׽���Ҳռ��һ���ļ�������
+fs.file-max = 1491124
+# ϵͳͬʱ����TIME_WAIT�׽��ֵ������Ŀ��http �����ӻ�����ܶ� TIME_WAIT �׽��֡�
+net.ipv4.tcp_max_tw_buckets = 7000
+# �ر� tcp ��Դ����
+net.ipv4.conf.default.accept_source_route = 0
+# �����׽��ִ��� TIME_WAIT ��ʱ�䣬 60s -> 30s
+net.ipv4.tcp_fin_timeout = 30
+# ���� TIME_WAIT ���ã�ʹ�ý��� TIEM_WAIT ״̬���׽��ֵĶ˿ڿ������̱������׽���ʹ�á�
+net.ipv4.tcp_tw_reuse = 1
+net.ipv4.tcp_tw_recycle = 1
+# �ر� tcp timestamp, �� tw_reuse/tw_recycle ͬʱʹ��
+# tw_recycle һ�㲻����ʹ�ã�RFC1323���棬TCP_TW_RECYCLE��TCP��timestampѡ�timestampϵͳĬ�Ͽ�����ͬʱ��Ч��ʱ����NAT�����»ᵼ�·������޷���Ӧ���ӣ����Ҳ�ǿ��Ը��ֵġ�
+net.ipv4.tcp_timestamps = 0
+# ���ں˵� SYN Cookie ���ܣ����Է�ֹ���� DOS ������
+net.ipv4.tcp_syncookies = 1
+# ��С tcp keepalive ̽����������Լ�ʱ�ͷų�����
+net.ipv4.tcp_keepalive_probes = 3
+# ���� tcp keepalive ̽����ʱ�䣬ͬ��
+net.ipv4.tcp_keepalive_intvl = 15
+# �����ں� backlog ������ʹ��ϵͳ�ܹ����ָ������δ��� TCP �������ֵ��׽��֡�
+net.ipv4.tcp_max_syn_backlog = 8388608
+# ͬ��
+net.core.netdev_max_backlog = 8388608
+# ͬ��
+net.core.somaxconn = 8388608
+# Ĭ�ϲ���
+net.ipv4.tcp_keepalive_time = 7200
+# �رնԸ���Ļ�������(�糤�ʹܵ�)֧�֣���ʡϵͳ������Դ
+net.ipv4.tcp_window_scaling = 0
+# �ر��ں˶������Լӵ���Ļ���(��wifi/3g)��TCP�Ż���������·����Ҫ tcp_sack
+net.ipv4.tcp_sack = 0
+# ����Ӧ�ó�����ö˿ڷ�Χ��
+net.ipv4.ip_local_port_range = 1024 65000
+# Increase TCP buffer sizes
+net.core.rmem_default = 8388608
+net.core.rmem_max = 16777216
+net.core.wmem_max = 16777216
+net.ipv4.tcp_rmem = 4096 87380 16777216
+net.ipv4.tcp_wmem = 4096 65536 16777216
+net.ipv4.tcp_congestion_control = cubic