Update elasticsearch input README

plugins/inputs/elasticsearch/README.md

@@ -1,13 +1,13 @@
-# Elasticsearch input plugin
+# Elasticsearch Input Plugin
 
 The [elasticsearch](https://www.elastic.co/) plugin queries endpoints to obtain
 [node](https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-nodes-stats.html)
 and optionally [cluster-health](https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-health.html)
 or [cluster-stats](https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-stats.html) metrics.
 
-### Configuration:
+### Configuration
 
-```
+```toml
 [[inputs.elasticsearch]]
   ## specify a list of one or more Elasticsearch servers
   servers = ["http://localhost:9200"]
@@ -17,7 +17,7 @@ or [cluster-stats](https://www.elastic.co/guide/en/elasticsearch/reference/curre
 
   ## When local is true (the default), the node will read only its own stats.
   ## Set local to false when you want to read the node stats from all nodes
-  ## of the cluster. 
+  ## of the cluster.
   local = true
 
   ## Set cluster_health to true when you want to also obtain cluster health stats
@@ -48,306 +48,569 @@ or [cluster-stats](https://www.elastic.co/guide/en/elasticsearch/reference/curre
   # insecure_skip_verify = false
 ```
 
-### Status mappings
+### Metrics
 
-When reporting health (green/yellow/red), additional field `status_code`
-is reported. Field contains mapping from status:string to status_code:int
-with following rules:
+Emitted when `cluster_health = true`:
 
-* `green` - 1
-* `yellow` - 2
-* `red` - 3
-* `unknown` - 0
+- elasticsearch_cluster_health
+  - tags:
+    - name
+  - fields:
+    - active_primary_shards (integer)
+    - active_shards (integer)
+    - active_shards_percent_as_number (float)
+    - delayed_unassigned_shards (integer)
+    - initializing_shards (integer)
+    - number_of_data_nodes (integer)
+    - number_of_in_flight_fetch (integer)
+    - number_of_nodes (integer)
+    - number_of_pending_tasks (integer)
+    - relocating_shards (integer)
+    - status (string, one of green, yellow or red)
+    - status_code (integer, green = 1, yellow = 2, red = 3),
+    - task_max_waiting_in_queue_millis (integer)
+    - timed_out (boolean)
+    - unassigned_shards (integer)
 
-### Measurements & Fields:
+Emitted when `cluster_health = true` and `cluster_health_level = "indices"`:
 
-field data circuit breaker measurement names:
-- elasticsearch_breakers
-  - fielddata_estimated_size_in_bytes value=0
-  - fielddata_overhead value=1.03
-  - fielddata_tripped value=0
-  - fielddata_limit_size_in_bytes value=623326003
-  - request_estimated_size_in_bytes value=0
-  - request_overhead value=1.0
-  - request_tripped value=0
-  - request_limit_size_in_bytes value=415550668
-  - parent_overhead value=1.0
-  - parent_tripped value=0
-  - parent_limit_size_in_bytes value=727213670
-  - parent_estimated_size_in_bytes value=0
+- elasticsearch_cluster_health_indices
+  - tags:
+    - index
+    - name
+  - fields:
+    - active_primary_shards (integer)
+    - active_shards (integer)
+    - initializing_shards (integer)
+    - number_of_replicas (integer)
+    - number_of_shards (integer)
+    - relocating_shards (integer)
+    - status (string, one of green, yellow or red)
+    - status_code (integer, green = 1, yellow = 2, red = 3),
+    - unassigned_shards (integer)
 
-File system information, data path, free disk space, read/write measurement names:
-- elasticsearch_fs
-  - timestamp value=1436460392946
-  - total_free_in_bytes value=16909316096
-  - total_available_in_bytes value=15894814720
-  - total_total_in_bytes value=19507089408
+Emitted when `cluster__stats = true`:
 
-indices size, document count, indexing and deletion times, search times,
-field cache size, merges and flushes measurement names:
-- elasticsearch_indices
-  - id_cache_memory_size_in_bytes value=0
-  - completion_size_in_bytes value=0
-  - suggest_total value=0
-  - suggest_time_in_millis value=0
-  - suggest_current value=0
-  - query_cache_memory_size_in_bytes value=0
-  - query_cache_evictions value=0
-  - query_cache_hit_count value=0
-  - query_cache_miss_count value=0
-  - store_size_in_bytes value=37715234
-  - store_throttle_time_in_millis value=215
-  - merges_current_docs value=0
-  - merges_current_size_in_bytes value=0
-  - merges_total value=133
-  - merges_total_time_in_millis value=21060
-  - merges_total_docs value=203672
-  - merges_total_size_in_bytes value=142900226
-  - merges_current value=0
-  - filter_cache_memory_size_in_bytes value=7384
-  - filter_cache_evictions value=0
-  - indexing_index_total value=84790
-  - indexing_index_time_in_millis value=29680
-  - indexing_index_current value=0
-  - indexing_noop_update_total value=0
-  - indexing_throttle_time_in_millis value=0
-  - indexing_delete_tota value=13879
-  - indexing_delete_time_in_millis value=1139
-  - indexing_delete_current value=0
-  - get_exists_time_in_millis value=0
-  - get_missing_total value=1
-  - get_missing_time_in_millis value=2
-  - get_current value=0
-  - get_total value=1
-  - get_time_in_millis value=2
-  - get_exists_total value=0
-  - refresh_total value=1076
-  - refresh_total_time_in_millis value=20078
-  - percolate_current value=0
-  - percolate_memory_size_in_bytes value=-1
-  - percolate_queries value=0
-  - percolate_total value=0
-  - percolate_time_in_millis value=0
-  - translog_operations value=17702
-  - translog_size_in_bytes value=17
-  - recovery_current_as_source value=0
-  - recovery_current_as_target value=0
-  - recovery_throttle_time_in_millis value=0
-  - docs_count value=29652
-  - docs_deleted value=5229
-  - flush_total_time_in_millis value=2401
-  - flush_total value=115
-  - fielddata_memory_size_in_bytes value=12996
-  - fielddata_evictions value=0
-  - search_fetch_current value=0
-  - search_open_contexts value=0
-  - search_query_total value=1452
-  - search_query_time_in_millis value=5695
-  - search_query_current value=0
-  - search_fetch_total value=414
-  - search_fetch_time_in_millis value=146
-  - warmer_current value=0
-  - warmer_total value=2319
-  - warmer_total_time_in_millis value=448
-  - segments_count value=134
-  - segments_memory_in_bytes value=1285212
-  - segments_index_writer_memory_in_bytes value=0
-  - segments_index_writer_max_memory_in_bytes value=172368955
-  - segments_version_map_memory_in_bytes value=611844
-  - segments_fixed_bit_set_memory_in_bytes value=0
+- elasticsearch_clusterstats_indices
+  - tags:
+    - cluster_name
+    - node_name
+    - status
+  - fields:
+    - completion_size_in_bytes (float)
+    - count (float)
+    - docs_count (float)
+    - docs_deleted (float)
+    - fielddata_evictions (float)
+    - fielddata_memory_size_in_bytes (float)
+    - query_cache_cache_count (float)
+    - query_cache_cache_size (float)
+    - query_cache_evictions (float)
+    - query_cache_hit_count (float)
+    - query_cache_memory_size_in_bytes (float)
+    - query_cache_miss_count (float)
+    - query_cache_total_count (float)
+    - segments_count (float)
+    - segments_doc_values_memory_in_bytes (float)
+    - segments_fixed_bit_set_memory_in_bytes (float)
+    - segments_index_writer_memory_in_bytes (float)
+    - segments_max_unsafe_auto_id_timestamp (float)
+    - segments_memory_in_bytes (float)
+    - segments_norms_memory_in_bytes (float)
+    - segments_points_memory_in_bytes (float)
+    - segments_stored_fields_memory_in_bytes (float)
+    - segments_term_vectors_memory_in_bytes (float)
+    - segments_terms_memory_in_bytes (float)
+    - segments_version_map_memory_in_bytes (float)
+    - shards_index_primaries_avg (float)
+    - shards_index_primaries_max (float)
+    - shards_index_primaries_min (float)
+    - shards_index_replication_avg (float)
+    - shards_index_replication_max (float)
+    - shards_index_replication_min (float)
+    - shards_index_shards_avg (float)
+    - shards_index_shards_max (float)
+    - shards_index_shards_min (float)
+    - shards_primaries (float)
+    - shards_replication (float)
+    - shards_total (float)
+    - store_size_in_bytes (float)
 
-HTTP connection measurement names:
-- elasticsearch_http
-  - current_open value=3
-  - total_opened value=3
++ elasticsearch_clusterstats_nodes
+  - tags:
+    - cluster_name
+    - node_name
+    - status
+  - fields:
+    - count_coordinating_only (float)
+    - count_data (float)
+    - count_ingest (float)
+    - count_master (float)
+    - count_total (float)
+    - fs_available_in_bytes (float)
+    - fs_free_in_bytes (float)
+    - fs_total_in_bytes (float)
+    - jvm_max_uptime_in_millis (float)
+    - jvm_mem_heap_max_in_bytes (float)
+    - jvm_mem_heap_used_in_bytes (float)
+    - jvm_threads (float)
+    - jvm_versions_0_count (float)
+    - jvm_versions_0_version (string)
+    - jvm_versions_0_vm_name (string)
+    - jvm_versions_0_vm_vendor (string)
+    - jvm_versions_0_vm_version (string)
+    - network_types_http_types_security4 (float)
+    - network_types_transport_types_security4 (float)
+    - os_allocated_processors (float)
+    - os_available_processors (float)
+    - os_mem_free_in_bytes (float)
+    - os_mem_free_percent (float)
+    - os_mem_total_in_bytes (float)
+    - os_mem_used_in_bytes (float)
+    - os_mem_used_percent (float)
+    - os_names_0_count (float)
+    - os_names_0_name (string)
+    - os_pretty_names_0_count (float)
+    - os_pretty_names_0_pretty_name (string)
+    - process_cpu_percent (float)
+    - process_open_file_descriptors_avg (float)
+    - process_open_file_descriptors_max (float)
+    - process_open_file_descriptors_min (float)
+    - versions_0 (string)
 
-JVM stats, memory pool information, garbage collection, buffer pools measurement names:
-- elasticsearch_jvm
-  - timestamp value=1436460392945
-  - uptime_in_millis value=202245
-  - mem_non_heap_used_in_bytes value=39634576
-  - mem_non_heap_committed_in_bytes value=40841216
-  - mem_pools_young_max_in_bytes value=279183360
-  - mem_pools_young_peak_used_in_bytes value=71630848
-  - mem_pools_young_peak_max_in_bytes value=279183360
-  - mem_pools_young_used_in_bytes value=32685760
-  - mem_pools_survivor_peak_used_in_bytes value=8912888
-  - mem_pools_survivor_peak_max_in_bytes value=34865152
-  - mem_pools_survivor_used_in_bytes value=8912880
-  - mem_pools_survivor_max_in_bytes value=34865152
-  - mem_pools_old_peak_max_in_bytes value=724828160
-  - mem_pools_old_used_in_bytes value=11110928
-  - mem_pools_old_max_in_bytes value=724828160
-  - mem_pools_old_peak_used_in_bytes value=14354608
-  - mem_heap_used_in_bytes value=52709568
-  - mem_heap_used_percent value=5
-  - mem_heap_committed_in_bytes value=259522560
-  - mem_heap_max_in_bytes value=1038876672
-  - threads_peak_count value=45
-  - threads_count value=44
-  - gc_collectors_young_collection_count value=2
-  - gc_collectors_young_collection_time_in_millis value=98
-  - gc_collectors_old_collection_count value=1
-  - gc_collectors_old_collection_time_in_millis value=24
-  - buffer_pools_direct_count value=40
-  - buffer_pools_direct_used_in_bytes value=6304239
-  - buffer_pools_direct_total_capacity_in_bytes value=6304239
-  - buffer_pools_mapped_count value=0
-  - buffer_pools_mapped_used_in_bytes value=0
-  - buffer_pools_mapped_total_capacity_in_bytes value=0
+Emitted when the appropriate `node_stats` options are set.
 
-TCP information measurement names:
-- elasticsearch_network
-  - tcp_in_errs value=0
-  - tcp_passive_opens value=16
-  - tcp_curr_estab value=29
-  - tcp_in_segs value=113
-  - tcp_out_segs value=97
-  - tcp_retrans_segs value=0
-  - tcp_attempt_fails value=0
-  - tcp_active_opens value=13
-  - tcp_estab_resets value=0
-  - tcp_out_rsts value=0
-
-Operating system stats, load average, cpu, mem, swap measurement names:
-- elasticsearch_os
-  - swap_used_in_bytes value=0
-  - swap_free_in_bytes value=487997440
-  - timestamp value=1436460392944
-  - uptime_in_millis value=25092
-  - cpu_sys value=0
-  - cpu_user value=0
-  - cpu_idle value=99
-  - cpu_usage value=0
-  - cpu_stolen value=0
-  - mem_free_percent value=74
-  - mem_used_percent value=25
-  - mem_actual_free_in_bytes value=1565470720
-  - mem_actual_used_in_bytes value=534159360
-  - mem_free_in_bytes value=477761536
-  - mem_used_in_bytes value=1621868544
-
-Process statistics, memory consumption, cpu usage, open file descriptors measurement names:
-- elasticsearch_process
-  - mem_resident_in_bytes value=246382592
-  - mem_share_in_bytes value=18747392
-  - mem_total_virtual_in_bytes value=4747890688
-  - timestamp value=1436460392945
-  - open_file_descriptors value=160
-  - cpu_total_in_millis value=15480
-  - cpu_percent value=2
-  - cpu_sys_in_millis value=1870
-  - cpu_user_in_millis value=13610
-
-Statistics about each thread pool, including current size, queue and rejected tasks measurement names:
-- elasticsearch_thread_pool
-  - merge_threads value=6
-  - merge_queue value=4
-  - merge_active value=5
-  - merge_rejected value=2
-  - merge_largest value=5
-  - merge_completed value=1
-  - bulk_threads value=4
-  - bulk_queue value=5
-  - bulk_active value=7
-  - bulk_rejected value=3
-  - bulk_largest value=1
-  - bulk_completed value=4
-  - warmer_threads value=2
-  - warmer_queue value=7
-  - warmer_active value=3
-  - warmer_rejected value=2
-  - warmer_largest value=3
-  - warmer_completed value=1
-  - get_largest value=2
-  - get_completed value=1
-  - get_threads value=1
-  - get_queue value=8
-  - get_active value=4
-  - get_rejected value=3
-  - index_threads value=6
-  - index_queue value=8
-  - index_active value=4
-  - index_rejected value=2
-  - index_largest value=3
-  - index_completed value=6
-  - suggest_threads value=2
-  - suggest_queue value=7
-  - suggest_active value=2
-  - suggest_rejected value=1
-  - suggest_largest value=8
-  - suggest_completed value=3
-  - fetch_shard_store_queue value=7
-  - fetch_shard_store_active value=4
-  - fetch_shard_store_rejected value=2
-  - fetch_shard_store_largest value=4
-  - fetch_shard_store_completed value=1
-  - fetch_shard_store_threads value=1
-  - management_threads value=2
-  - management_queue value=3
-  - management_active value=1
-  - management_rejected value=6
-  - management_largest value=2
-  - management_completed value=22
-  - percolate_queue value=23
-  - percolate_active value=13
-  - percolate_rejected value=235
-  - percolate_largest value=23
-  - percolate_completed value=33
-  - percolate_threads value=123
-  - listener_active value=4
-  - listener_rejected value=8
-  - listener_largest value=1
-  - listener_completed value=1
-  - listener_threads value=1
-  - listener_queue value=2
-  - search_rejected value=7
-  - search_largest value=2
-  - search_completed value=4
-  - search_threads value=5
-  - search_queue value=7
-  - search_active value=2
-  - fetch_shard_started_threads value=3
-  - fetch_shard_started_queue value=1
-  - fetch_shard_started_active value=5
-  - fetch_shard_started_rejected value=6
-  - fetch_shard_started_largest value=4
-  - fetch_shard_started_completed value=54
-  - refresh_rejected value=4
-  - refresh_largest value=8
-  - refresh_completed value=3
-  - refresh_threads value=23
-  - refresh_queue value=7
-  - refresh_active value=3
-  - optimize_threads value=3
-  - optimize_queue value=4
-  - optimize_active value=1
-  - optimize_rejected value=2
-  - optimize_largest value=7
-  - optimize_completed value=3
-  - snapshot_largest value=1
-  - snapshot_completed value=0
-  - snapshot_threads value=8
-  - snapshot_queue value=5
-  - snapshot_active value=6
-  - snapshot_rejected value=2
-  - generic_threads value=1
-  - generic_queue value=4
-  - generic_active value=6
-  - generic_rejected value=3
-  - generic_largest value=2
-  - generic_completed value=27
-  - flush_threads value=3
-  - flush_queue value=8
-  - flush_active value=0
-  - flush_rejected value=1
-  - flush_largest value=5
-  - flush_completed value=3
-
-Transport statistics about sent and received bytes in cluster communication measurement names:
 - elasticsearch_transport
-  - server_open value=13
-  - rx_count value=6
-  - rx_size_in_bytes value=1380
-  - tx_count value=6
-  - tx_size_in_bytes value=1380
+  - tags:
+    - cluster_name
+    - node_attribute_ml.enabled
+    - node_attribute_ml.machine_memory
+    - node_attribute_ml.max_open_jobs
+    - node_attribute_xpack.installed
+    - node_host
+    - node_id
+    - node_name
+  - fields:
+    - rx_count (float)
+    - rx_size_in_bytes (float)
+    - server_open (float)
+    - tx_count (float)
+    - tx_size_in_bytes (float)
+
++ elasticsearch_breakers
+  - tags:
+    - cluster_name
+    - node_attribute_ml.enabled
+    - node_attribute_ml.machine_memory
+    - node_attribute_ml.max_open_jobs
+    - node_attribute_xpack.installed
+    - node_host
+    - node_id
+    - node_name
+  - fields:
+    - accounting_estimated_size_in_bytes (float)
+    - accounting_limit_size_in_bytes (float)
+    - accounting_overhead (float)
+    - accounting_tripped (float)
+    - fielddata_estimated_size_in_bytes (float)
+    - fielddata_limit_size_in_bytes (float)
+    - fielddata_overhead (float)
+    - fielddata_tripped (float)
+    - in_flight_requests_estimated_size_in_bytes (float)
+    - in_flight_requests_limit_size_in_bytes (float)
+    - in_flight_requests_overhead (float)
+    - in_flight_requests_tripped (float)
+    - parent_estimated_size_in_bytes (float)
+    - parent_limit_size_in_bytes (float)
+    - parent_overhead (float)
+    - parent_tripped (float)
+    - request_estimated_size_in_bytes (float)
+    - request_limit_size_in_bytes (float)
+    - request_overhead (float)
+    - request_tripped (float)
+
+- elasticsearch_fs
+  - tags:
+    - cluster_name
+    - node_attribute_ml.enabled
+    - node_attribute_ml.machine_memory
+    - node_attribute_ml.max_open_jobs
+    - node_attribute_xpack.installed
+    - node_host
+    - node_id
+    - node_name
+  - fields:
+    - data_0_available_in_bytes (float)
+    - data_0_free_in_bytes (float)
+    - data_0_total_in_bytes (float)
+    - io_stats_devices_0_operations (float)
+    - io_stats_devices_0_read_kilobytes (float)
+    - io_stats_devices_0_read_operations (float)
+    - io_stats_devices_0_write_kilobytes (float)
+    - io_stats_devices_0_write_operations (float)
+    - io_stats_total_operations (float)
+    - io_stats_total_read_kilobytes (float)
+    - io_stats_total_read_operations (float)
+    - io_stats_total_write_kilobytes (float)
+    - io_stats_total_write_operations (float)
+    - timestamp (float)
+    - total_available_in_bytes (float)
+    - total_free_in_bytes (float)
+    - total_total_in_bytes (float)
+
++ elasticsearch_http
+  - tags:
+    - cluster_name
+    - node_attribute_ml.enabled
+    - node_attribute_ml.machine_memory
+    - node_attribute_ml.max_open_jobs
+    - node_attribute_xpack.installed
+    - node_host
+    - node_id
+    - node_name
+  - fields:
+    - current_open (float)
+    - total_opened (float)
+
+- elasticsearch_indices
+  - tags:
+    - cluster_name
+    - node_attribute_ml.enabled
+    - node_attribute_ml.machine_memory
+    - node_attribute_ml.max_open_jobs
+    - node_attribute_xpack.installed
+    - node_host
+    - node_id
+    - node_name
+  - fields:
+    - completion_size_in_bytes (float)
+    - docs_count (float)
+    - docs_deleted (float)
+    - fielddata_evictions (float)
+    - fielddata_memory_size_in_bytes (float)
+    - flush_periodic (float)
+    - flush_total (float)
+    - flush_total_time_in_millis (float)
+    - get_current (float)
+    - get_exists_time_in_millis (float)
+    - get_exists_total (float)
+    - get_missing_time_in_millis (float)
+    - get_missing_total (float)
+    - get_time_in_millis (float)
+    - get_total (float)
+    - indexing_delete_current (float)
+    - indexing_delete_time_in_millis (float)
+    - indexing_delete_total (float)
+    - indexing_index_current (float)
+    - indexing_index_failed (float)
+    - indexing_index_time_in_millis (float)
+    - indexing_index_total (float)
+    - indexing_noop_update_total (float)
+    - indexing_throttle_time_in_millis (float)
+    - merges_current (float)
+    - merges_current_docs (float)
+    - merges_current_size_in_bytes (float)
+    - merges_total (float)
+    - merges_total_auto_throttle_in_bytes (float)
+    - merges_total_docs (float)
+    - merges_total_size_in_bytes (float)
+    - merges_total_stopped_time_in_millis (float)
+    - merges_total_throttled_time_in_millis (float)
+    - merges_total_time_in_millis (float)
+    - query_cache_cache_count (float)
+    - query_cache_cache_size (float)
+    - query_cache_evictions (float)
+    - query_cache_hit_count (float)
+    - query_cache_memory_size_in_bytes (float)
+    - query_cache_miss_count (float)
+    - query_cache_total_count (float)
+    - recovery_current_as_source (float)
+    - recovery_current_as_target (float)
+    - recovery_throttle_time_in_millis (float)
+    - refresh_listeners (float)
+    - refresh_total (float)
+    - refresh_total_time_in_millis (float)
+    - request_cache_evictions (float)
+    - request_cache_hit_count (float)
+    - request_cache_memory_size_in_bytes (float)
+    - request_cache_miss_count (float)
+    - search_fetch_current (float)
+    - search_fetch_time_in_millis (float)
+    - search_fetch_total (float)
+    - search_open_contexts (float)
+    - search_query_current (float)
+    - search_query_time_in_millis (float)
+    - search_query_total (float)
+    - search_scroll_current (float)
+    - search_scroll_time_in_millis (float)
+    - search_scroll_total (float)
+    - search_suggest_current (float)
+    - search_suggest_time_in_millis (float)
+    - search_suggest_total (float)
+    - segments_count (float)
+    - segments_doc_values_memory_in_bytes (float)
+    - segments_fixed_bit_set_memory_in_bytes (float)
+    - segments_index_writer_memory_in_bytes (float)
+    - segments_max_unsafe_auto_id_timestamp (float)
+    - segments_memory_in_bytes (float)
+    - segments_norms_memory_in_bytes (float)
+    - segments_points_memory_in_bytes (float)
+    - segments_stored_fields_memory_in_bytes (float)
+    - segments_term_vectors_memory_in_bytes (float)
+    - segments_terms_memory_in_bytes (float)
+    - segments_version_map_memory_in_bytes (float)
+    - store_size_in_bytes (float)
+    - translog_earliest_last_modified_age (float)
+    - translog_operations (float)
+    - translog_size_in_bytes (float)
+    - translog_uncommitted_operations (float)
+    - translog_uncommitted_size_in_bytes (float)
+    - warmer_current (float)
+    - warmer_total (float)
+    - warmer_total_time_in_millis (float)
+
++ elasticsearch_jvm
+  - tags:
+    - cluster_name
+    - node_attribute_ml.enabled
+    - node_attribute_ml.machine_memory
+    - node_attribute_ml.max_open_jobs
+    - node_attribute_xpack.installed
+    - node_host
+    - node_id
+    - node_name
+  - fields:
+    - buffer_pools_direct_count (float)
+    - buffer_pools_direct_total_capacity_in_bytes (float)
+    - buffer_pools_direct_used_in_bytes (float)
+    - buffer_pools_mapped_count (float)
+    - buffer_pools_mapped_total_capacity_in_bytes (float)
+    - buffer_pools_mapped_used_in_bytes (float)
+    - classes_current_loaded_count (float)
+    - classes_total_loaded_count (float)
+    - classes_total_unloaded_count (float)
+    - gc_collectors_old_collection_count (float)
+    - gc_collectors_old_collection_time_in_millis (float)
+    - gc_collectors_young_collection_count (float)
+    - gc_collectors_young_collection_time_in_millis (float)
+    - mem_heap_committed_in_bytes (float)
+    - mem_heap_max_in_bytes (float)
+    - mem_heap_used_in_bytes (float)
+    - mem_heap_used_percent (float)
+    - mem_non_heap_committed_in_bytes (float)
+    - mem_non_heap_used_in_bytes (float)
+    - mem_pools_old_max_in_bytes (float)
+    - mem_pools_old_peak_max_in_bytes (float)
+    - mem_pools_old_peak_used_in_bytes (float)
+    - mem_pools_old_used_in_bytes (float)
+    - mem_pools_survivor_max_in_bytes (float)
+    - mem_pools_survivor_peak_max_in_bytes (float)
+    - mem_pools_survivor_peak_used_in_bytes (float)
+    - mem_pools_survivor_used_in_bytes (float)
+    - mem_pools_young_max_in_bytes (float)
+    - mem_pools_young_peak_max_in_bytes (float)
+    - mem_pools_young_peak_used_in_bytes (float)
+    - mem_pools_young_used_in_bytes (float)
+    - threads_count (float)
+    - threads_peak_count (float)
+    - timestamp (float)
+    - uptime_in_millis (float)
+
+- elasticsearch_os
+  - tags:
+    - cluster_name
+    - node_attribute_ml.enabled
+    - node_attribute_ml.machine_memory
+    - node_attribute_ml.max_open_jobs
+    - node_attribute_xpack.installed
+    - node_host
+    - node_id
+    - node_name
+  - fields:
+    - cgroup_cpu_cfs_period_micros (float)
+    - cgroup_cpu_cfs_quota_micros (float)
+    - cgroup_cpu_stat_number_of_elapsed_periods (float)
+    - cgroup_cpu_stat_number_of_times_throttled (float)
+    - cgroup_cpu_stat_time_throttled_nanos (float)
+    - cgroup_cpuacct_usage_nanos (float)
+    - cpu_load_average_15m (float)
+    - cpu_load_average_1m (float)
+    - cpu_load_average_5m (float)
+    - cpu_percent (float)
+    - mem_free_in_bytes (float)
+    - mem_free_percent (float)
+    - mem_total_in_bytes (float)
+    - mem_used_in_bytes (float)
+    - mem_used_percent (float)
+    - swap_free_in_bytes (float)
+    - swap_total_in_bytes (float)
+    - swap_used_in_bytes (float)
+    - timestamp (float)
+
++ elasticsearch_process
+  - tags:
+    - cluster_name
+    - node_attribute_ml.enabled
+    - node_attribute_ml.machine_memory
+    - node_attribute_ml.max_open_jobs
+    - node_attribute_xpack.installed
+    - node_host
+    - node_id
+    - node_name
+  - fields:
+    - cpu_percent (float)
+    - cpu_total_in_millis (float)
+    - max_file_descriptors (float)
+    - mem_total_virtual_in_bytes (float)
+    - open_file_descriptors (float)
+    - timestamp (float)
+
+- elasticsearch_thread_pool
+  - tags:
+    - cluster_name
+    - node_attribute_ml.enabled
+    - node_attribute_ml.machine_memory
+    - node_attribute_ml.max_open_jobs
+    - node_attribute_xpack.installed
+    - node_host
+    - node_id
+    - node_name
+  - fields:
+    - analyze_active (float)
+    - analyze_completed (float)
+    - analyze_largest (float)
+    - analyze_queue (float)
+    - analyze_rejected (float)
+    - analyze_threads (float)
+    - ccr_active (float)
+    - ccr_completed (float)
+    - ccr_largest (float)
+    - ccr_queue (float)
+    - ccr_rejected (float)
+    - ccr_threads (float)
+    - fetch_shard_started_active (float)
+    - fetch_shard_started_completed (float)
+    - fetch_shard_started_largest (float)
+    - fetch_shard_started_queue (float)
+    - fetch_shard_started_rejected (float)
+    - fetch_shard_started_threads (float)
+    - fetch_shard_store_active (float)
+    - fetch_shard_store_completed (float)
+    - fetch_shard_store_largest (float)
+    - fetch_shard_store_queue (float)
+    - fetch_shard_store_rejected (float)
+    - fetch_shard_store_threads (float)
+    - flush_active (float)
+    - flush_completed (float)
+    - flush_largest (float)
+    - flush_queue (float)
+    - flush_rejected (float)
+    - flush_threads (float)
+    - force_merge_active (float)
+    - force_merge_completed (float)
+    - force_merge_largest (float)
+    - force_merge_queue (float)
+    - force_merge_rejected (float)
+    - force_merge_threads (float)
+    - generic_active (float)
+    - generic_completed (float)
+    - generic_largest (float)
+    - generic_queue (float)
+    - generic_rejected (float)
+    - generic_threads (float)
+    - get_active (float)
+    - get_completed (float)
+    - get_largest (float)
+    - get_queue (float)
+    - get_rejected (float)
+    - get_threads (float)
+    - index_active (float)
+    - index_completed (float)
+    - index_largest (float)
+    - index_queue (float)
+    - index_rejected (float)
+    - index_threads (float)
+    - listener_active (float)
+    - listener_completed (float)
+    - listener_largest (float)
+    - listener_queue (float)
+    - listener_rejected (float)
+    - listener_threads (float)
+    - management_active (float)
+    - management_completed (float)
+    - management_largest (float)
+    - management_queue (float)
+    - management_rejected (float)
+    - management_threads (float)
+    - ml_autodetect_active (float)
+    - ml_autodetect_completed (float)
+    - ml_autodetect_largest (float)
+    - ml_autodetect_queue (float)
+    - ml_autodetect_rejected (float)
+    - ml_autodetect_threads (float)
+    - ml_datafeed_active (float)
+    - ml_datafeed_completed (float)
+    - ml_datafeed_largest (float)
+    - ml_datafeed_queue (float)
+    - ml_datafeed_rejected (float)
+    - ml_datafeed_threads (float)
+    - ml_utility_active (float)
+    - ml_utility_completed (float)
+    - ml_utility_largest (float)
+    - ml_utility_queue (float)
+    - ml_utility_rejected (float)
+    - ml_utility_threads (float)
+    - refresh_active (float)
+    - refresh_completed (float)
+    - refresh_largest (float)
+    - refresh_queue (float)
+    - refresh_rejected (float)
+    - refresh_threads (float)
+    - rollup_indexing_active (float)
+    - rollup_indexing_completed (float)
+    - rollup_indexing_largest (float)
+    - rollup_indexing_queue (float)
+    - rollup_indexing_rejected (float)
+    - rollup_indexing_threads (float)
+    - search_active (float)
+    - search_completed (float)
+    - search_largest (float)
+    - search_queue (float)
+    - search_rejected (float)
+    - search_threads (float)
+    - search_throttled_active (float)
+    - search_throttled_completed (float)
+    - search_throttled_largest (float)
+    - search_throttled_queue (float)
+    - search_throttled_rejected (float)
+    - search_throttled_threads (float)
+    - security-token-key_active (float)
+    - security-token-key_completed (float)
+    - security-token-key_largest (float)
+    - security-token-key_queue (float)
+    - security-token-key_rejected (float)
+    - security-token-key_threads (float)
+    - snapshot_active (float)
+    - snapshot_completed (float)
+    - snapshot_largest (float)
+    - snapshot_queue (float)
+    - snapshot_rejected (float)
+    - snapshot_threads (float)
+    - warmer_active (float)
+    - warmer_completed (float)
+    - warmer_largest (float)
+    - warmer_queue (float)
+    - warmer_rejected (float)
+    - warmer_threads (float)
+    - watcher_active (float)
+    - watcher_completed (float)
+    - watcher_largest (float)
+    - watcher_queue (float)
+    - watcher_rejected (float)
+    - watcher_threads (float)
+    - write_active (float)
+    - write_completed (float)
+    - write_largest (float)
+    - write_queue (float)
+    - write_rejected (float)
+    - write_threads (float)