GET _cluster/stats?pretty&human

{
  "_nodes" : {
    "total" : 1,
    "successful" : 1,
    "failed" : 0
  },
  "cluster_name" : "docker-cluster",
  "cluster_uuid" : "Va95ZBsrQI-jqXC3IHeasQ",
  "timestamp" : 1644619171318,
  "status" : "yellow",
  "indices" : {
    "count" : 36,
    "shards" : {
      "total" : 36,
      "primaries" : 36,
      "replication" : 0.0,
      "index" : {
        "shards" : {
          "min" : 1,
          "max" : 1,
          "avg" : 1.0
        },
        "primaries" : {
          "min" : 1,
          "max" : 1,
          "avg" : 1.0
        },
        "replication" : {
          "min" : 0.0,
          "max" : 0.0,
          "avg" : 0.0
        }
      }
    },
    "docs" : {
      "count" : 103517528,
      "deleted" : 912621
    },
    "store" : {
      "size" : "13.9gb",
      "size_in_bytes" : 15013343235,
      "reserved" : "0b",
      "reserved_in_bytes" : 0
    },
    "fielddata" : {
      "memory_size" : "7.4mb",
      "memory_size_in_bytes" : 7862080,
      "evictions" : 0
    },
    "query_cache" : {
      "memory_size" : "12.3mb",
      "memory_size_in_bytes" : 12964671,
      "total_count" : 23661483,
      "hit_count" : 620135,
      "miss_count" : 23041348,
      "cache_size" : 2769,
      "cache_count" : 57008,
      "evictions" : 54239
    },
    "completion" : {
      "size" : "0b",
      "size_in_bytes" : 0
    },
    "segments" : {
      "count" : 187,
      "memory" : "1.8mb",
      "memory_in_bytes" : 1888100,
      "terms_memory" : "647.6kb",
      "terms_memory_in_bytes" : 663192,
      "stored_fields_memory" : "244.6kb",
      "stored_fields_memory_in_bytes" : 250504,
      "term_vectors_memory" : "0b",
      "term_vectors_memory_in_bytes" : 0,
      "norms_memory" : "6.8kb",
      "norms_memory_in_bytes" : 7040,
      "points_memory" : "0b",
      "points_memory_in_bytes" : 0,
      "doc_values_memory" : "944.6kb",
      "doc_values_memory_in_bytes" : 967364,
      "index_writer_memory" : "45mb",
      "index_writer_memory_in_bytes" : 47249936,
      "version_map_memory" : "3.7mb",
      "version_map_memory_in_bytes" : 3937947,
      "fixed_bit_set" : "394.2kb",
      "fixed_bit_set_memory_in_bytes" : 403744,
      "max_unsafe_auto_id_timestamp" : 1636103375162,
      "file_sizes" : { }
    },
    "mappings" : {
      "field_types" : [
        {
          "name" : "binary",
          "count" : 14,
          "index_count" : 3
        },
        {
          "name" : "boolean",
          "count" : 112,
          "index_count" : 26
        },
        {
          "name" : "byte",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "date",
          "count" : 184,
          "index_count" : 35
        },
        {
          "name" : "date_nanos",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "date_range",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "double",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "double_range",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "flattened",
          "count" : 10,
          "index_count" : 2
        },
        {
          "name" : "float",
          "count" : 74,
          "index_count" : 9
        },
        {
          "name" : "float_range",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "geo_point",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "geo_shape",
          "count" : 2,
          "index_count" : 2
        },
        {
          "name" : "half_float",
          "count" : 57,
          "index_count" : 15
        },
        {
          "name" : "integer",
          "count" : 210,
          "index_count" : 13
        },
        {
          "name" : "integer_range",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "ip",
          "count" : 2,
          "index_count" : 2
        },
        {
          "name" : "ip_range",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "keyword",
          "count" : 996,
          "index_count" : 33
        },
        {
          "name" : "long",
          "count" : 1316,
          "index_count" : 28
        },
        {
          "name" : "long_range",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "nested",
          "count" : 43,
          "index_count" : 15
        },
        {
          "name" : "object",
          "count" : 1063,
          "index_count" : 32
        },
        {
          "name" : "scaled_float",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "shape",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "short",
          "count" : 2,
          "index_count" : 2
        },
        {
          "name" : "text",
          "count" : 265,
          "index_count" : 22
        }
      ]
    },
    "analysis" : {
      "char_filter_types" : [ ],
      "tokenizer_types" : [ ],
      "filter_types" : [
        {
          "name" : "pattern_capture",
          "count" : 1,
          "index_count" : 1
        }
      ],
      "analyzer_types" : [
        {
          "name" : "custom",
          "count" : 1,
          "index_count" : 1
        }
      ],
      "built_in_char_filters" : [ ],
      "built_in_tokenizers" : [
        {
          "name" : "uax_url_email",
          "count" : 1,
          "index_count" : 1
        }
      ],
      "built_in_filters" : [
        {
          "name" : "lowercase",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "unique",
          "count" : 1,
          "index_count" : 1
        }
      ],
      "built_in_analyzers" : [ ]
    }
  },
  "nodes" : {
    "count" : {
      "total" : 1,
      "coordinating_only" : 0,
      "data" : 1,
      "ingest" : 1,
      "master" : 1,
      "ml" : 1,
      "remote_cluster_client" : 1,
      "transform" : 1,
      "voting_only" : 0
    },
    "versions" : [
      "7.9.0"
    ],
    "os" : {
      "available_processors" : 4,
      "allocated_processors" : 4,
      "names" : [
        {
          "name" : "Linux",
          "count" : 1
        }
      ],
      "pretty_names" : [
        {
          "pretty_name" : "CentOS Linux 7 (Core)",
          "count" : 1
        }
      ],
      "mem" : {
        "total" : "15.2gb",
        "total_in_bytes" : 16425283584,
        "free" : "336.8mb",
        "free_in_bytes" : 353177600,
        "used" : "14.9gb",
        "used_in_bytes" : 16072105984,
        "free_percent" : 2,
        "used_percent" : 98
      }
    },
    "process" : {
      "cpu" : {
        "percent" : 13
      },
      "open_file_descriptors" : {
        "min" : 458,
        "max" : 458,
        "avg" : 458
      }
    },
    "jvm" : {
      "max_uptime" : "78.3d",
      "max_uptime_in_millis" : 6771158545,
      "versions" : [
        {
          "version" : "14.0.1",
          "vm_name" : "OpenJDK 64-Bit Server VM",
          "vm_version" : "14.0.1+7",
          "vm_vendor" : "AdoptOpenJDK",
          "bundled_jdk" : true,
          "using_bundled_jdk" : true,
          "count" : 1
        }
      ],
      "mem" : {
        "heap_used" : "470.5mb",
        "heap_used_in_bytes" : 493383832,
        "heap_max" : "512mb",
        "heap_max_in_bytes" : 536870912
      },
      "threads" : 88
    },
    "fs" : {
      "total" : "150.1gb",
      "total_in_bytes" : 161262018560,
      "free" : "116.5gb",
      "free_in_bytes" : 125117145088,
      "available" : "110.3gb",
      "available_in_bytes" : 118523297792
    },
    "plugins" : [ ],
    "network_types" : {
      "transport_types" : {
        "security4" : 1
      },
      "http_types" : {
        "security4" : 1
      }
    },
    "discovery_types" : {
      "single-node" : 1
    },
    "packaging_types" : [
      {
        "flavor" : "default",
        "type" : "docker",
        "count" : 1
      }
    ],
    "ingest" : {
      "number_of_pipelines" : 13,
      "processor_stats" : {
        "conditional" : {
          "count" : 0,
          "failed" : 0,
          "current" : 0,
          "time" : "0s",
          "time_in_millis" : 0
        },
        "geoip" : {
          "count" : 0,
          "failed" : 0,
          "current" : 0,
          "time" : "0s",
          "time_in_millis" : 0
        },
        "grok" : {
          "count" : 0,
          "failed" : 0,
          "current" : 0,
          "time" : "0s",
          "time_in_millis" : 0
        },
        "gsub" : {
          "count" : 0,
          "failed" : 0,
          "current" : 0,
          "time" : "0s",
          "time_in_millis" : 0
        },
        "remove" : {
          "count" : 0,
          "failed" : 0,
          "current" : 0,
          "time" : "0s",
          "time_in_millis" : 0
        },
        "rename" : {
          "count" : 0,
          "failed" : 0,
          "current" : 0,
          "time" : "0s",
          "time_in_millis" : 0
        },
        "script" : {
          "count" : 0,
          "failed" : 0,
          "current" : 0,
          "time" : "0s",
          "time_in_millis" : 0
        },
        "set" : {
          "count" : 0,
          "failed" : 0,
          "current" : 0,
          "time" : "0s",
          "time_in_millis" : 0
        }
      }
    }
  }
}