CountDownLatch

Ignite ignite = Ignition.start();

IgniteCountDownLatch latch = ignite.countDownLatch("latchName", // Latch name.
        10, // Initial count.
        false, // Auto remove, when counter has reached zero.
        true // Create if it does not exist.
);

Ignite ignite = Ignition.start();

final IgniteCountDownLatch latch = ignite.countDownLatch("latchName", 10, false, true);

// Execute jobs.
for (int i = 0; i < 10; i++)
    // Execute a job on some remote cluster node.
    ignite.compute().run(() -> {
        int newCnt = latch.countDown();

        System.out.println("Counted down: newCnt=" + newCnt);
    });

// Wait for all jobs to complete.
latch.await();