*   <li>{@linkplain State#STOPPING STOPPING} -&gt;
 *   <li>{@linkplain State#TERMINATED TERMINATED}
 * </ul>
 *
 * <p>There are deviations from this if there are failures or if {@link Service#stopAsync} is called
 * before the {@link Service} reaches the {@linkplain State#RUNNING RUNNING} state. The set of legal
 * transitions form a <a href="http://en.wikipedia.org/wiki/Directed_acyclic_graph">DAG</a>,

	files, _ := filepath.Glob(filepath.Join(diskPath, ".writable-check-*.tmp"))
	for _, file := range files {
		go removeAll(file)
	}

	// Remove the entire folder in case there are leftovers that didn't get cleaned up before restart.
	go removeAll(pathJoin(diskPath, minioMetaTmpBucket+"-old"))

	// Renames and schedules for purging all bucket metacache.
	go renameAllBucketMetacache(diskPath)
}

    stack.addTearDown(tearDownOne);

    final Callback callback =
        new Callback() {
          @Override
          public void run() {
            assertEquals(
                "tearDownTwo should have been run before tearDownOne", false, tearDownOne.ran);
          }
        };

    final SimpleTearDown tearDownTwo = new SimpleTearDown(callback);
    stack.addTearDown(tearDownTwo);

    assertEquals(false, tearDownOne.ran);

          i = end
        } while (i < newline)
        i++
      }
    }
  }

  private fun loggerTag(loggerName: String): String {
    // We need to handle long logger names before they hit Log.
    // java.lang.IllegalArgumentException: Log tag "okhttp3.mockwebserver.MockWebServer" exceeds limit of 23 characters
    return knownLoggers[loggerName] ?: loggerName.take(23)
  }

  fun enable() {

   * next} field is lazily initialized. The type of that field would be {@code @Nullable T}, and the
   * code would be responsible for populating a "real" {@code T} (which might still be the value
   * {@code null}!) before returning it to callers. Depending on how the code is structured, a
   * nullness analysis might not understand that the field has been populated. To avoid that problem

			}

			// If we are doing batching, we should wait
			// at least for a second, before sending.
			// Even if there is nothing in the queue.
			if h.batchSize > 1 && time.Since(lastBatchProcess) < time.Second {
				continue
			}
		}

		// if we have reached the count send at once
		// or we have crossed last second before batch was sent, send at once
		lastBatchProcess = time.Now()

		var retries int

// If block is false, Read and Write will return ErrIsEmpty or ErrIsFull immediately.
// By default, the ring buffer is not blocking.
// This setting should be called before any Read or Write operation or after a Reset.
func (r *RingBuffer) SetBlocking(block bool) *RingBuffer {
	r.block = block
	if block {
		r.readCond = sync.NewCond(&r.mu)
		r.writeCond = sync.NewCond(&r.mu)
	}
	return r

    stack.addTearDown(tearDownOne);

    final Callback callback =
        new Callback() {
          @Override
          public void run() {
            assertEquals(
                "tearDownTwo should have been run before tearDownOne", false, tearDownOne.ran);
          }
        };

    final SimpleTearDown tearDownTwo = new SimpleTearDown(callback);
    stack.addTearDown(tearDownTwo);

    assertEquals(false, tearDownOne.ran);

```sh
$ cd minio
$ git remote add upstream https://github.com/minio/minio
$ git fetch upstream
$ git merge upstream/master
...
```

### Create your feature branch

Before making code changes, make sure you create a separate branch for these changes

```
git checkout -b my-new-feature
```

### Test MinIO server changes

After your code changes, make sure

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;