public ScheduledExecutorService startThreads(
CommitLog commitLog, final List<CommitlogExecutor> threads) {
stop = false;
for (int ii = 0; ii < NUM_THREADS; ii++) {
final CommitlogExecutor t = new CommitlogExecutor(commitLog);
threads.add(t);
t.start();
}
final long start = System.currentTimeMillis();
Runnable printRunnable =
new Runnable() {
long lastUpdate = 0;
public void run() {
Runtime runtime = Runtime.getRuntime();
long maxMemory = mb(runtime.maxMemory());
long allocatedMemory = mb(runtime.totalMemory());
long freeMemory = mb(runtime.freeMemory());
long temp = 0;
long sz = 0;
for (CommitlogExecutor cle : threads) {
temp += cle.counter.get();
sz += cle.dataSize;
}
double time = (System.currentTimeMillis() - start) / 1000.0;
double avg = (temp / time);
System.out.println(
String.format(
"second %d mem max %dmb allocated %dmb free %dmb mutations %d since start %d avg %.3f transfer %.3fmb",
((System.currentTimeMillis() - start) / 1000),
maxMemory,
allocatedMemory,
freeMemory,
(temp - lastUpdate),
lastUpdate,
avg,
mb(sz / time)));
lastUpdate = temp;
}
};
ScheduledExecutorService scheduled = Executors.newScheduledThreadPool(1);
scheduled.scheduleAtFixedRate(printRunnable, 1, 1, TimeUnit.SECONDS);
return scheduled;
}
