Harry wsky

Jetty supports both a client and a server implementation for the SPDY protocol, beginning with versions 7.6.2 and 8.1.2.

http://www.chromium.org/spdy/spdy-protocol

direct usage:

SPDY Client - SPDY Server

remap in/out of the box:

SPDY Client - SPDY PROXY - HTTP Server
HTTP Client - SPDY PROXY - SPDY Server

http://www.infoq.com/articles/Open-JDK-and-HashMap-Off-Heap

https://github.com/OpenHFT/HugeCollections/blob/master/collections/src/test/java/net/openhft/collections/fromdocs/OpenJDKAndHashMapExamplesTest.java

   SharedHashMap<String, BondVOInterface> shm = new SharedHashMapBuilder()
                .generatedValueType(true)
                .entrySize(512).file(new File(TMP + "/shm-myBondPortfolioSHM")).kClass(String.class).vClass(BondVOInterface.class).create();

	//https://github.com/wsky/cross-fire/blob/master/java/src/main/java/com/taobao/top/integration/Util.java

	private static String doSign(String secret, Map<String, String> data) {
	String[] keys = new String[data.size()];
	data.keySet().toArray(keys);
	Arrays.sort(keys);
	StringBuilder strb = new StringBuilder();
	strb.append(secret);
	for (String k : keys) {
	// data.get(k) != "" sometimes unnecessary

	sysctl kern.maxfiles
	#kern.maxfiles: 12288
	sysctl kern.maxfilesperproc
	#kern.maxfilesperproc: 10240
	sudo sysctl -w kern.maxfiles=1048600
	#kern.maxfiles: 12288 -> 1048600
	sudo sysctl -w kern.maxfilesperproc=1048576
	#kern.maxfilesperproc: 10240 -> 1048576

	sudo sysctl -w net.inet.tcp.rfc1323=1

	systemtap

	http://developerblog.redhat.com/2014/01/10/probing-java-w-systemtap/

	btrace


	lightweight-java-profiler
	https://code.google.com/p/lightweight-java-profiler/

	#!/bin/bash
	#how to: . call.sh
	call_api() {
	local APPKEY=$1
	local SECRET=$2
	local SESSION=$3
	local METHOD=$4
	local URL=$5
	local IP=$6
	local SSL=$7

	#https://kenai.com/projects/btrace/pages/UserGuide
	btrace pid script.java