* the web socket! It's possible that we're writing faster than the peer can read.
     */
    private const val MAX_QUEUE_SIZE = 16L * 1024 * 1024 // 16 MiB.

    /**
     * The maximum amount of time after the client calls [close] to wait for a graceful shutdown. If
     * the server doesn't respond the web socket will be canceled.
     */

//
// s must match the following regular expression:
//
//	^[0-9]+(([KMGT]i)?B)?$
//
// In other words, an integer byte count with an optional unit
// suffix. Acceptable suffixes include one of
// - KiB, MiB, GiB, TiB which represent binary IEC/ISO 80000 units, or
// - B, which just represents bytes.
//
// Returns an int64 because that's what its callers want and receive,
// but the result is always non-negative.

	zstdType   CompressionType = "ZSTD"
	lz4Type    CompressionType = "LZ4"
	s2Type     CompressionType = "S2"
	snappyType CompressionType = "SNAPPY"
)

const (
	maxRecordSize = 1 << 20 // 1 MiB
)

var parquetSupport bool

func init() {
	parquetSupport = env.Get("MINIO_API_SELECT_PARQUET", config.EnableOff) == config.EnableOn
}

var bufPool = sync.Pool{
	New: func() interface{} {

      if (!success) break
      messageCount++
      val queueSize = webSocket.queueSize()
      assertThat(queueSize).isBetween(0L, messageCount * message.size)
      // Expect to fail before enqueueing 32 MiB.
      assertThat(messageCount).isLessThan(32L)
    }

    // Confirm all sent messages were received, followed by a client-initiated close.
    val server = serverListener.assertOpen()

	// order of a few MiB in size.
	//
	// The kind of metadata this applies to has a very low overhead when compared
	// to address space used, but their constant overheads for small heaps would
	// be very high if they were to be backed by huge pages (e.g. a few MiB makes
	// a huge difference for an 8 MiB heap, but barely any difference for a 1 GiB

	clientCertificate   = "AssumeRoleWithCertificate"
	customTokenIdentity = "AssumeRoleWithCustomToken"
	assumeRole          = "AssumeRole"

	stsRequestBodyLimit = 10 * (1 << 20) // 10 MiB

	// JWT claim keys
	expClaim = "exp"
	subClaim = "sub"
	audClaim = "aud"
	issClaim = "iss"

	// JWT claim to check the parent user
	parentClaim = "parent"

	// LDAP claim keys

	// mapped, since min is likely rounded down to include the system page containing minHeapIdx.
	//
	// For a chunk size of 4 MiB this structure will only use 2 MiB for a 1 TiB contiguous heap.
	chunks     []atomicScavChunkData
	min, max   atomic.Uintptr
	minHeapIdx atomic.Uintptr

	s := new(ScavengeIndex)
	// This is a bit lazy but we easily guarantee we'll be able
	// to reference all the relevant chunks. The worst-case
	// memory usage here is 512 MiB, but tests generally use
	// small offsets from BaseChunkIdx, which results in ~100s
	// of KiB in memory use.
	//
	// This may still be worth making better, at least by sharing

	if err != nil {
		// Failed to create NewMultipartUpload, abort.
		t.Fatalf("%s : %s", instanceType, err)
	}

	uploadIDs = append(uploadIDs, res.UploadID)
	// Parts with size greater than 5 MiB.
	// Generating a 6MiB byte array.
	validPart := bytes.Repeat([]byte("abcdef"), 1*humanize.MiByte)
	validPartMD5 := getMD5Hash(validPart)
	// Create multipart parts.

  # chunk size of 5MB per write request.
  buffer_chunk_limit 512k
  # Cap the combined memory usage of this buffer and the one below to
  # 512KiB/chunk * (6 + 2) chunks = 4 MiB
  buffer_queue_limit 6
  # Never wait more than 5 seconds before flushing logs in the non-error case.
  flush_interval 5s
  # Never wait longer than 30 seconds between retries.
  max_retry_wait 30