tuning tcp params

.ebextensions/02sysctl.config

@@ -0,0 +1,10 @@
+files:
+  "/etc/sysctl.conf":
+    mode: "000644"
+    owner: root
+    group: root
+    content: |
+        net.ipv4.tcp_wmem = 4096 16384 512000
+        net.ipv4.tcp_rmem = 4096 87380 512000
+        net.ipv4.tcp_window_scaling = 0
+        net.ipv4.tcp_timestamps = 0