err = obj.MakeBucket(context.Background(), "unused-bucket", MakeBucketOptions{})
	if err != nil {
		// Failed to create newbucket, abort.
		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	// Take 4 disks down, one more we loose quorum on 16 disk node.
	for _, disk := range disks[:4] {
		os.RemoveAll(disk)
	}

	testCases := []struct {
		bucketName    string
		objName       string

      return false;
    }

    @Override
    public int hashCode() {
      return f.hashCode() ^ p.hashCode();
    }

    @Override
    public String toString() {
      // TODO(cpovirk): maybe make this look like the method call does ("Predicates.compose(...)")
      return p + "(" + f + ")";
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  /**

	// server admin credentials change. This is done to ensure
	// that clients cannot decode the token using the temp
	// secret keys and generate an entirely new claim by essentially
	// hijacking the policies. We need to make sure that this is
	// based on admin credential such that token cannot be decoded
	// on the client side and is treated like an opaque value.
	claims, err := auth.ExtractClaims(token, secret)
	if err != nil {

      size += other.size;
      return this;
    }

    /**
     * Returns a newly-created immutable sorted map.
     *
     * <p>Prefer the equivalent method {@link #buildOrThrow()} to make it explicit that the method
     * will throw an exception if there are duplicate keys. The {@code build()} method will soon be
     * deprecated.
     *

func (s *TestSuiteIAM) TestAccMgmtPlugin(c *check) {
	ctx, cancel := context.WithTimeout(context.Background(), testDefaultTimeout)
	defer cancel()

	// 0. Check that owner is able to make-bucket.
	bucket := getRandomBucketName()
	err := s.client.MakeBucket(ctx, bucket, minio.MakeBucketOptions{})
	if err != nil {
		c.Fatalf("bucket creat error: %v", err)
	}

	// 1. Create a user.

      super.combine(other);
      return this;
    }

    /**
     * Returns a newly-created immutable sorted map.
     *
     * <p>Prefer the equivalent method {@link #buildOrThrow()} to make it explicit that the method
     * will throw an exception if there are duplicate keys. The {@code build()} method will soon be
     * deprecated.
     *

  //    assigned prior to calling addListener, and addListener happens-before any invocation of the
  //    listener. Notably, this means that 'volatile' is unnecessary to make 'inputFuture' visible
  //    to the listener.
  //
  // 2. In done() where we may propagate cancellation to the input. In this case it is _not_ fine.

    assertEquals(11, queue.capacity());
    checkUnbounded(queue);
    assertThat(queue.comparator()).isEqualTo(SOME_COMPARATOR);
  }

  // We use the rawtypeToWildcard "cast" to make the test work with J2KT in other tests. Leaving one
  // test without that cast to verify that using the raw Comparable works outside J2KT.

- Docker 的 Swarm 模式
- Systemd
- Supervisor
- 由雲端供應商在其服務內部處理
- 其他...

我會在後續章節給出更具體的例子。

## 重新啟動 { #restarts }

和確保你的應用在開機時會執行一樣，你大概也會希望在發生失敗之後，它能「自動重新啟動」。

### 人都會犯錯 { #we-make-mistakes }

我們身為人，常常會犯錯。軟體幾乎總是有藏在各處的「臭蟲（bugs）」🐛

而我們開發者會在發現這些 bug 後持續改進程式碼、實作新功能（也可能順便加進新的 bug 😅）。

### 小錯誤自動處理 { #small-errors-automatically-handled }

					ModTime:   baseTime.Add(15 * time.Minute).UnixNano(),
					Signature: [4]byte{2, 1, 1, 1},
					Type:      ObjectType,
					Flags:     0,
				}},
			},
		},
	}
	inputSerialized := make([]metaCacheEntry, len(inputs))
	for i, xl := range inputs {
		xl.sortByModTime()
		var err error
		entry := metaCacheEntry{
			name: "testobject",
		}
		entry.metadata, err = xl.AppendTo(nil)