## **2. Prerequisites**

- Install Hortonworks Distribution using this [guide.](https://docs.hortonworks.com/HDPDocuments/Ambari-2.7.1.0/bk_ambari-installation/content/ch_Installing_Ambari.html)

            return this.handle;
        }
        return this.handle.acquire();
    }

    /**
     * Ensures that the file descriptor is openend
     *
     * @throws CIFSException if an error occurs opening the file
     */
    public void open() throws CIFSException {
        try (SmbFileHandleImpl fh = ensureOpen()) {}
    }

    @Override
    public synchronized void close() throws SmbException {

        } catch (ClassNotFoundException | NoSuchMethodException | RuntimeException ex) {
            if (log.isDebugEnabled()) {
                log.debug("Failed to initalize ExtendedGSSContext initializdation for OracleJDK / OpenJDK", ex);
            }
        }

        if (extendedGSSContextClassPrep == null || inquireSecContextPrep == null || inquireTypeSessionKeyPrep == null) {
            try {

   *
   * <p>Note: the type parameter {@code E} extends {@code Comparable<?>} rather than {@code
   * Comparable<? super E>} in order to accommodate users of obsolete javac versions affected by <a
   * href="https://bugs.openjdk.org/browse/JDK-6468354">JDK-6468354</a>.
   */
  public static <E extends Comparable<?>> Builder<E> reverseOrder() {
    return new Builder<>(Ordering.<E>natural().reverse());
  }

  /**

      "Cross-Origin-Embedder-Policy-Report-Only";

  /**
   * The HTTP Cross-Origin-Opener-Policy header field name.
   *
   * @since 28.2
   */
  public static final String CROSS_ORIGIN_OPENER_POLICY = "Cross-Origin-Opener-Policy";

  /** The HTTP {@code ETag} header field name. */
  public static final String ETAG = "ETag";

  $zulu_url = \"https://cdn.azul.com/zulu/bin/${zulu_pkg}\"; \
  $zulu_zip = \"c:\\temp\\${zulu_pkg}\"; \
  $zulu_extracted_path = \"c:\\temp\\\" + [IO.Path]::GetFileNameWithoutExtension($zulu_zip); \
  $zulu_root = \"c:\\openjdk\"; \
  (New-Object Net.WebClient).DownloadFile($zulu_url, $zulu_zip); \
  [System.IO.Compression.ZipFile]::ExtractToDirectory($zulu_zip, \"c:\\temp\"); \
  Move-Item $zulu_extracted_path -Destination $zulu_root; \

// so for now it only builds on platforms that support that system call.
// TODO(#33974): use a more portable library for file locking.

//go:build darwin || dragonfly || freebsd || illumos || linux || netbsd || openbsd

// This program can be used as go_android_GOARCH_exec by the Go tool.
// It executes binaries on an android device using adb.
package main

import (
	"bytes"
	"errors"
	"fmt"
	"io"
	"log"
	"os"

*   `tf.distribute`

    *   Opened an experimental API, `tf.distribute.experimental.coordinator.get_current_worker_index`, for retrieving the worker index from within a worker, when using parameter server training with a custom training loop.

	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio-go/v7/pkg/set"
	"github.com/minio/minio/internal/auth"
	"github.com/minio/minio/internal/config"
	"github.com/minio/minio/internal/config/identity/openid"
	"github.com/minio/minio/internal/jwt"
	"github.com/minio/pkg/v3/env"
	"github.com/minio/pkg/v3/policy"
	"github.com/minio/pkg/v3/sync/errgroup"
	"github.com/puzpuzpuz/xsync/v3"
	"golang.org/x/sync/singleflight"
)

            if (currentState == State.OPEN && shouldAttemptReset()) {
                log.debug("[{}] Attempting to reset circuit breaker from OPEN to HALF_OPEN", name);
                transitionTo(State.HALF_OPEN);
                currentState = State.HALF_OPEN;
            }

            // Block if circuit is open
            if (currentState == State.OPEN) {
                totalRequests.incrementAndGet();