`certgen` is a simple *Go* tool to generate self-signed certificates, and provides SAN certificates with DNS and IP entries:

```sh
./certgen -host "10.10.0.3,10.10.0.4,10.10.0.5"
```

A response similar to this one should be displayed:

```
2018/11/21 10:16:18 wrote public.crt
2018/11/21 10:16:18 wrote private.key
```

### 3.2 Use OpenSSL to Generate a Certificate

            // Test common file system sizes
            long[] typicalSizes = { 1024L * 1024L * 1024L, // 1 GB
                    1024L * 1024L * 1024L * 10L, // 10 GB
                    1024L * 1024L * 1024L * 100L, // 100 GB
                    1024L * 1024L * 1024L * 1024L, // 1 TB
                    1024L * 1024L * 1024L * 1024L * 10L // 10 TB
            };

            for (long size : typicalSizes) {

        byte[] buffer = new byte[1000];
        int numThreads = 10;
        Thread[] threads = new Thread[numThreads];

        // When - multiple threads calling methods simultaneously
        for (int i = 0; i < numThreads; i++) {
            final int threadIndex = i;
            threads[i] = new Thread(() -> {
                for (int j = 0; j < 100; j++) {
                    int offset = threadIndex * 10;

    /**
     * The number of URLs to fetch when polling.
     */
    protected int pollingFetchSize = 1000;

    /**
     * The maximum size of the crawling queue.
     */
    protected int maxCrawlingQueueSize = 100;

    /**
     * Creates a new instance of OpenSearchUrlQueueService.
     * @param crawlerConfig The crawler configuration.
     */

	diskAssumeUnknownSize = 1 << 30

	// diskMinInodes is the minimum number of inodes we want free on a disk to perform writes.
	diskMinInodes = 1000

	// tlsClientSessionCacheSize is the cache size for client sessions.
	tlsClientSessionCacheSize = 100
)

func init() {
	// Injected to prevent circular dependency.
	pubsub.GetByteBuffer = grid.GetByteBuffer
}

type poolDisksLayout struct {

		Remote:             o.remote,
		Local:              o.local,
		id:                 o.id,
		ctx:                o.ctx,
		outgoing:           xsync.NewMapOfPresized[uint64, *muxClient](1000),
		inStream:           xsync.NewMapOfPresized[uint64, *muxServer](1000),
		outQueue:           make(chan []byte, defaultOutQueue),
		side:               ws.StateServerSide,
		connChange:         &sync.Cond{L: &sync.Mutex{}},
		handlers:           o.handlers,

                        final Map<String, Object> params = new HashMap<>();
                        params.put("x", threadId * 1000 + i);
                        final Object result = engine.evaluate("return x * 2", params);
                        if (result == null || !result.equals((threadId * 1000 + i) * 2)) {
                            errors.incrementAndGet();
                        }
                    }

                        response.received = false;

                        responseTable.put(nid, response);
                        ensureOpen(timeout + 1000);
                        socket.send(out);

                        if (LogStream.level > 3) {
                            log.println(request);

        void testMaximumSizeArrays() throws SMBProtocolDecodingException {
            // Arrange
            int[] largeHashAlgos = new int[100];
            Arrays.fill(largeHashAlgos, PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512);
            byte[] largeSalt = new byte[1024];
            Arrays.fill(largeSalt, (byte) 0xAB);

          () -> {
            currentFuture.get().addListener(listener, executor);
            return null;
          });
    }
    assertEquals(allTasks.size() + 1, barrier.getParties());
    for (int i = 0; i < 1000; i++) {
      Collections.shuffle(allTasks);
      AbstractFuture<String> future = new AbstractFuture<String>() {};
      currentFuture.set(future);
      for (Callable<?> task : allTasks) {