bootstrapTrace("go initFederatorBackend", func() {
				go initFederatorBackend(buckets, newObject)
			})
		}

		// Initialize batch job pool.
		bootstrapTrace("newBatchJobPool", func() {
			globalBatchJobPool = newBatchJobPool(GlobalContext, newObject, 100)
			globalBatchJobsMetrics = batchJobMetrics{
				metrics: make(map[string]*batchJobInfo),
			}
			go globalBatchJobsMetrics.init(GlobalContext, newObject)

	jobCancelers map[string]context.CancelFunc
	workerKillCh chan struct{}
	workerSize   int
}

var globalBatchJobPool *BatchJobPool

// newBatchJobPool creates a pool of job manifest workers of specified size
func newBatchJobPool(ctx context.Context, o ObjectLayer, workers int) *BatchJobPool {
	jpool := &BatchJobPool{
		ctx:          ctx,
		objLayer:     o,