@Override
        public boolean retainAll(Collection<?> c) {
          return removeEntriesIf(not(in(c)));
        }

        @Override
        public int size() {
          return Iterators.size(iterator());
        }
      }
      return new EntrySetImpl();
    }

    @Override
    Collection<Collection<V>> createValues() {
      @WeakOuter

          "interval": "",
          "legendFormat": "[{{drive}}]",
          "refId": "B"
        }
      ],
      "title": "IO Operations Waiting",
      "type": "timeseries"
    }
  ],
  "refresh": "",
  "schemaVersion": 39,
  "tags": [
    "minio"
  ],
  "templating": {
    "list": [
      {
        "current": {

Example:

```sh
minio server /data
```

Default trace is succinct only to indicate the API operations being called and the HTTP response status.

```sh
mc admin trace myminio
```

To trace entire HTTP request

```sh
mc admin trace --verbose myminio
```

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.collect.ImmutableMultiset.toImmutableMultiset;
import static com.google.common.collect.Iterators.emptyIterator;
import static com.google.common.collect.Iterators.singletonIterator;
import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.truth.Truth.assertThat;
import static java.util.Arrays.asList;

import java.lang.reflect.Method;
import java.util.ConcurrentModificationException;
import java.util.Iterator;
import java.util.Map.Entry;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code put} operations on a map. Can't be invoked directly;
 * please see {@link com.google.common.collect.testing.MapTestSuiteBuilder}.
 *
 * @author Chris Povirk
 * @author Kevin Bourrillion
 */
@GwtCompatible(emulated = true)

import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.NavigableSet;
import java.util.TreeSet;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests operations on a NavigableSet. Can't be invoked directly; please
 * see {@code NavigableSetTestSuiteBuilder}.
 *
 * @author Jesse Wilson
 * @author Louis Wasserman
 */
@GwtIncompatible

import java.util.logging.Level;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A helper which does some thread-safe operations for aggregate futures, which must be implemented
 * differently in GWT. Namely:
 *
 * <ul>
 *   <li>Lazily initializes a set of seen exceptions
 *   <li>Decrements a counter atomically
 * </ul>
 */

         "gridPos": {
            "h": 1,
            "w": 24,
            "x": 0,
            "y": 18
         },
         "id": 9,
         "panels": [ ],
         "title": "Operations",
         "type": "row"
      },
      {
         "datasource": {
            "type": "datasource",
            "uid": "-- Mixed --"
         },

	err := b.iow.Close()

	// Wait for all data to be written before returning else it causes race conditions.
	// Race condition is because of io.PipeWriter implementation. i.e consider the following
	// sequent of operations:
	// 1) pipe.Write()
	// 2) pipe.Close()
	// Now pipe.Close() can return before the data is read on the other end of the pipe and written to the disk
	// Hence an immediate Read() on the file can return incorrect data.

import com.google.common.testing.NullPointerTester;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Test cases for {@link Table} read operations.
 *
 * @author Jared Levy
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public abstract class AbstractTableReadTest<C extends @Nullable Character> extends TestCase {