public int read(int timeout) throws IOException {
if ((reader == null) || !reader.isAlive()) reader = new Reader();
try {
reader.join(timeout);
} catch (InterruptedException e) {
throw new IOException("read was interrupted", e);
}
handleException();
if (read == null) throw new TimeoutException();
return read;
}
public void _testGetPut() throws Exception {
List<NodeData> nodes = prepare();
Set<Reader> readers = new HashSet<Reader>();
Set<Writer> writers = new HashSet<Writer>();
try {
// create readers
for (int t = 1; t <= 10; t++) {
NodeData[] ns = new NodeData[nodes.size()];
nodes.toArray(ns);
Reader r = new Reader(ns, "reader #" + t);
readers.add(r);
r.start();
}
// create writers
for (int t = 1; t <= 10; t++) {
NodeData[] ns = new NodeData[nodes.size()];
nodes.toArray(ns);
Writer w = new Writer(ns, "writer #" + t, 250);
writers.add(w);
w.start();
}
Thread.sleep(5 * 60 * 1000);
} finally {
// join
for (Writer w : writers) {
w.cancel();
w.join();
}
for (Reader r : readers) {
r.cancel();
r.join();
}
// debug result
for (Reader r : readers) { // cache.getSize()
log.info(r.getName() + " " + (r.itemsProcessed));
}
for (Writer w : writers) {
log.info(w.getName() + " " + (w.itemsProcessed));
}
}
}
public void _testGet() throws Exception {
List<NodeData> nodes = prepare();
Set<Reader> readers = new HashSet<Reader>();
long start = System.currentTimeMillis();
try {
// create readers
for (int t = 1; t <= 200; t++) {
NodeData[] ns = new NodeData[nodes.size()];
nodes.toArray(ns);
Reader r = new Reader(ns, "reader #" + t);
readers.add(r);
r.start();
}
log.info("Started");
Thread.sleep(30 * 1000);
log.info("Done");
} finally {
// join
for (Reader r : readers) {
r.cancel();
r.join();
}
// debug result
long totalRead = 0;
for (Reader r : readers) {
totalRead += r.itemsProcessed;
// log.info(r.getName() + " " + (r.itemsProcessed));
}
long time = System.currentTimeMillis() - start;
double speed = totalRead * 1d / time;
log.info(
"Total read "
+ totalRead
+ ", speed "
+ speed
+ "read/sec., time "
+ (time / 1000d)
+ "sec");
}
}
public void _testGetPutRemove() throws Exception {
List<NodeData> nodes = prepare();
Set<Reader> readers = new HashSet<Reader>();
Set<Writer> writers = new HashSet<Writer>();
Set<Remover> removers = new HashSet<Remover>();
long start = System.currentTimeMillis();
try {
// create readers
for (int t = 1; t <= 100; t++) {
NodeData[] ns = new NodeData[nodes.size()];
nodes.toArray(ns);
Reader r = new Reader(ns, "reader #" + t);
readers.add(r);
r.start();
}
// create writers
for (int t = 1; t <= 5; t++) {
NodeData[] ns = new NodeData[nodes.size()];
nodes.toArray(ns);
Writer w = new Writer(ns, "writer #" + t, 1000);
writers.add(w);
w.start();
}
// create removers
for (int t = 1; t <= 5; t++) {
NodeData[] ns = new NodeData[nodes.size()];
nodes.toArray(ns);
Remover r = new Remover(ns, "remover #" + t, 1000);
removers.add(r);
r.start();
}
log.info("Wait....");
// Thread.sleep(50400 * 1000); // 50400sec = 14h
Thread.sleep(20 * 1000); // 20sec.
log.info("Stopping");
} finally {
// join
for (Remover r : removers) {
r.cancel();
r.join();
}
for (Writer w : writers) {
w.cancel();
w.join();
}
for (Reader r : readers) {
r.cancel();
r.join();
}
// debug result
long stop = System.currentTimeMillis() - start;
long totalRead = 0;
for (Reader r : readers) {
totalRead += r.itemsProcessed;
// log.info(r.getName() + " " + (r.itemsProcessed));
}
for (Writer w : writers) {
totalRead += w.itemsProcessed;
// log.info(w.getName() + " " + (w.itemsProcessed));
}
for (Remover r : removers) {
totalRead += r.itemsProcessed;
// log.info(r.getName() + " " + (r.itemsProcessed));
}
double speed = totalRead * 1d / stop;
log.info(
"Total accessed "
+ totalRead
+ ", speed "
+ speed
+ " oper/sec., time "
+ (stop / 1000d)
+ "sec");
}
}