- Liveness probe available at `/minio/health/live`
- Cluster probe available at `/minio/health/cluster`

Read more on how to use these endpoints in [MinIO healthcheck guide](https://github.com/minio/minio/blob/master/docs/metrics/healthcheck/README.md).

## Prometheus Probe

	enc := json.NewEncoder(gzWriter)
	if e := enc.Encode(header); e != nil {
		internalLogIf(ctx, fmt.Errorf("Could not encode health info header: %w", e))
		return nil
	}

	if e := enc.Encode(healthInfo); e != nil {
		internalLogIf(ctx, fmt.Errorf("Could not encode health info: %w", e))
		return nil
	}

	gzWriter.Flush()
	gzWriter.Close()

	return b.Bytes()

    }

    private void performHealthCheck() {
        log.debug("Performing multi-channel health check");

        for (ChannelGroup channelGroup : sessionChannels.values()) {
            for (ChannelInfo channel : channelGroup.getChannels()) {
                try {
                    // Simplified health check - in real implementation would ping the channel
                    boolean isHealthy = checkChannelHealth(channel);

```sh
mc admin trace --verbose myminio
```

To trace entire HTTP request and also internode communication

```sh
mc admin trace --all --verbose myminio
```

## Subnet Health

./fess-*/bin/fess > ${temp_log_file} 2>&1 &

temp_json_file=/tmp/fess-log.$$
touch ${temp_json_file}
error_count=0
while true ; do
  status=$(curl -w '%{http_code}\n' -s -o ${temp_json_file} "http://localhost:8080/api/v1/health")
  cat ${temp_json_file}
  if [[ x"${status}" = x200 ]] ; then
    break
  else
    error_count=$((error_count + 1))
  fi
  if [[ ${error_count} -ge 60 ]] ; then
    echo "Fess is not available."

		Online:   true,
	}
	sys.hMutex.Unlock()
}

// newHCClient initializes an anonymous client for performing health check on the remote endpoints
func newHCClient() *madmin.AnonymousClient {
	clnt, e := madmin.NewAnonymousClientNoEndpoint()
	if e != nil {
		bugLogIf(GlobalContext, errors.New("Unable to initialize health check client"))
		return nil
	}
	clnt.SetCustomTransport(globalRemoteTargetTransport)
	return clnt
}

		opts := HealthOptions{}
		result := objLayer.Health(ctx, opts)

		metrics = make([]MetricV2, 0, 2+4*len(result.ESHealth))

		metrics = append(metrics, MetricV2{
			Description: getClusterWriteQuorumMD(),
			Value:       float64(result.WriteQuorum),
		})

		health := 1
		if !result.Healthy {
			health = 0
		}

		metrics = append(metrics, MetricV2{

    //
    private static final Logger logger = LogManager.getLogger(AdminMaintenanceAction.class);

    private static final String[] CAT_NAMES =
            { "aliases", "allocation", "count", "fielddata", "health", "indices", "master", "nodeattrs", "nodes", "pending_tasks",
                    "plugins", "recovery", "repositories", "thread_pool", "shards", "segments", "snapshots", "templates" };

import org.gradle.work.DisableCachingByDefault
import java.io.File

@DisableCachingByDefault
abstract class FixProjectHealthTask : DefaultTask() {

    private val errorLogFile = File("gradle-project-health.log")

    @TaskAction
    fun fixProjectHealth() {
        if (!errorLogFile.exists()) {
            println("Error log not found! Run the projectHealth check first and redirect output.")
            return
        }

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"net/http"

	"github.com/minio/mux"
)

const (
	healthCheckPath            = "/health"
	healthCheckLivenessPath    = "/live"
	healthCheckReadinessPath   = "/ready"
	healthCheckClusterPath     = "/cluster"
	healthCheckClusterReadPath = "/cluster/read"