rebalanceMetricRebalanceBucket
	rebalanceMetricRebalanceObject
	rebalanceMetricRebalanceRemoveObject
	rebalanceMetricSaveMetadata
)

var errDataMovementSrcDstPoolSame = errors.New("source and destination pool are the same")

func rebalanceTrace(r rebalanceMetric, poolIdx int, startTime time.Time, duration time.Duration, err error, path string, sz int64) madmin.TraceInfo {
	var errStr string
	if err != nil {

    }

    /**
     * Copies documents from one index to another with optional transformation.
     *
     * @param fromIndex        the source index name
     * @param toIndex          the destination index name
     * @param waitForCompletion whether to wait for the operation to complete
     * @return true if the copy operation was successful, false otherwise
     */

				if meta.status == scanStateError {
					cancel()
					exit = true
				}
			}
			metaMu.Unlock()
		}
	}()

	const retryDelay = 200 * time.Millisecond
	const maxTries = 5

	// Keep destination...
	// Write results to disk.
	bw := newMetacacheBlockWriter(entries, func(b *metacacheBlock) error {
		// if the block is 0 bytes and its a first block skip it.
		// skip only this for Transient caches.

   *   <li>Ordinary copy. Kernel copies bytes into a kernel buffer, from a kernel buffer into a
   *       userspace buffer (byte[] or ByteBuffer), then copies them from that buffer into the
   *       destination channel.
   * </ol>
   *
   * This value is intended to be large enough to make the overhead of system calls negligible,
   * without being so large that it causes problems for systems with atypical memory management if

					p.errorf("invalid addressing modes for 1st or 3rd operand to %s instruction, must be register pair", op)
					return
				}
				// For ARM64 CASP-like instructions, its 2nd destination operand is register pair(Rt, Rt+1) that can
				// not fit into prog.RegTo2, so save it to the prog.RestArgs.
				prog.AddRestDest(a[2])
			default:
				prog.From = a[0]
				prog.Reg = p.getRegister(prog, op, &a[1])

   * Interface[]) creates a RegularImmutableSortedSet backed by an array of that
   * type. Later, RegularImmutableSortedSet.toArray() calls System.arraycopy()
   * to copy from that array to the destination array. This would be fine, but
   * GWT has a bug: It refuses to copy from an E[] to an Object[] when E is an
   * interface type.
   */
  // TODO: test other collections for this problem

                                           &dst.oper->node, dst.index);

  if (TF_GetCode(status) == TF_OK) {
    // This modification only updates the destination node for
    // the purposes of running this graph in a session. Thus, we don't
    // record the source node as being modified.
    RecordMutation(graph, *dst.oper, "updating input tensor");
  }
}

		var (
			ruleID  = fmt.Sprintf("site-repl-%s", d)
			hasRule bool
		)
		var ruleARN string
		for _, r := range replicationConfig.Rules {
			if r.ID == ruleID {
				hasRule = true
				ruleARN = r.Destination.Bucket
			}
		}

		ep, _ := url.Parse(peer.Endpoint)
		var targets []madmin.BucketTarget
		if targetsPtr, _ := globalBucketTargetSys.ListBucketTargets(ctx, bucket); targetsPtr != nil {

		}

		// Scan existing...
		for _, folder := range existingFolders {
			h := hashPath(folder.name)
			// Check if we should skip scanning folder...
			// We can only skip if we are not indexing into a compacted destination
			// and the entry itself is compacted.
			if !into.Compacted && f.oldCache.isCompacted(h) {
				if !h.mod(f.oldCache.Info.NextCycle, dataUsageUpdateDirCycles) {
					// Transfer and add as child...

		return
	}
	a.Reg = r1
	if r2 != 0 {
		// TODO: Consistency in the encoding would be nice here.
		if p.arch.InFamily(sys.ARM, sys.ARM64) {
			// Special form
			// ARM: destination register pair (R1, R2).
			// ARM64: register pair (R1, R2) for LDP/STP.
			if prefix != 0 || scale != 0 {
				p.errorf("illegal address mode for register pair")
				return
			}
			a.Type = obj.TYPE_REGREG