func (z *erasureServerPools) ListBuckets(ctx context.Context, opts BucketOptions) (buckets []BucketInfo, err error) {
	if opts.Cached {
		listBucketsCache.InitOnce(time.Second,
			cachevalue.Opts{ReturnLastGood: true, NoWait: true},
			func() ([]BucketInfo, error) {
				ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
				defer cancel()

				buckets, err = z.s3Peer.ListBuckets(ctx, opts)
				if err != nil {

			ObjectName:      "",
			Claims:          cred.Claims,
		}) {
			wr = true
		}

		return rd, wr
	}

	bucketStorageCache.InitOnce(10*time.Second,
		cachevalue.Opts{ReturnLastGood: true, NoWait: true},
		func() (DataUsageInfo, error) {
			ctx, done := context.WithTimeout(context.Background(), 2*time.Second)
			defer done()

			return loadDataUsageFromBackend(ctx, objectAPI)
		},
	)

build:rbe_cross_compile_macos_x86 --experimental_remote_build_event_upload="minimal"
build:rbe_cross_compile_macos_x86 --config=rbe_cross_compile_base
build:rbe_cross_compile_macos_x86 --bes_upload_mode=nowait_for_upload_complete
test:rbe_cross_compile_macos_x86 --config=rbe_cross_compile_base
# Increase the test timeout as tests often take longer on mac.
test:rbe_cross_compile_macos_x86 --test_timeout=300,450,1200,3600

const (
	sysCPUAvgIdle   = "avg_idle"
	sysCPUAvgIOWait = "avg_iowait"
	sysCPULoad      = "load"
	sysCPULoadPerc  = "load_perc"
	sysCPUNice      = "nice"
	sysCPUSteal     = "steal"
	sysCPUSystem    = "system"
	sysCPUUser      = "user"
)

var (
	sysCPUAvgIdleMD   = NewGaugeMD(sysCPUAvgIdle, "Average CPU idle time")
	sysCPUAvgIOWaitMD = NewGaugeMD(sysCPUAvgIOWait, "Average CPU IOWait time")

	interfaceTxBytes  MetricName = "tx_bytes"
	interfaceTxErrors MetricName = "tx_errors"

	// cpu stats
	cpuUser       MetricName = "user"
	cpuSystem     MetricName = "system"
	cpuIOWait     MetricName = "iowait"
	cpuIdle       MetricName = "idle"
	cpuNice       MetricName = "nice"
	cpuSteal      MetricName = "steal"
	cpuLoad1      MetricName = "load1"
	cpuLoad5      MetricName = "load5"
	cpuLoad15     MetricName = "load15"

| `minio_node_cpu_avg_idle_max`        | CPU idle time (max).                       |
| `minio_node_cpu_avg_iowait`          | CPU ioWait time.                           |
| `minio_node_cpu_avg_iowait_avg`      | CPU ioWait time (avg).                     |
| `minio_node_cpu_avg_iowait_max`      | CPU ioWait time (max).                     |
| `minio_node_cpu_avg_nice`            | CPU nice time.                             |

|-------------------------------|---------|------------------------------------|----------|
| `minio_system_cpu_avg_idle`   | `gauge` | Average CPU idle time              | `server` |
| `minio_system_cpu_avg_iowait` | `gauge` | Average CPU IOWait time            | `server` |
| `minio_system_cpu_load`       | `gauge` | CPU load average 1min              | `server` |
| `minio_system_cpu_load_perc`  | `gauge` | CPU load average 1min (percentage) | `server` |