最近需要做elasticsearch監控相關的需求，採用elasticsearch_export採集es的各項監控指標，供後續prometheus、grafana、kibana等展示。
現特意梳理elasticsearch_export metrics各字段含義，具體參看https://github.com/justwatchcom/elasticsearch_exporter。
| Name | Type | Cardinality | Help |
|---|---|---|---|
| elasticsearch_breakers_estimated_size_bytes | gauge | 4 |
Estimated size in bytes of breaker breaker字節的估計大小 |
| elasticsearch_breakers_limit_size_bytes | gauge | 4 |
Limit size in bytes for breaker 將斷路器的大小限制爲字節 |
| elasticsearch_breakers_tripped | counter | 4 |
tripped for breaker 斷路器跳閘 |
| elasticsearch_cluster_health_active_primary_shards | gauge | 1 |
The number of primary shards in your cluster. This is an aggregate total across all indices. 活躍的主分片總數 |
| elasticsearch_cluster_health_active_shards | gauge | 1 |
Aggregate total of all shards across all indices, which includes replica shards. 活躍的分片總數（包括複製分片） |
| elasticsearch_cluster_health_delayed_unassigned_shards | gauge | 1 |
Shards delayed to reduce reallocation overhead 分片延遲以減少重新分配開銷 |
| elasticsearch_cluster_health_initializing_shards | gauge | 1 |
Count of shards that are being freshly created. 正在初始化的分片數 |
| elasticsearch_cluster_health_number_of_data_nodes | gauge | 1 |
Number of data nodes in the cluster. node節點的數量 |
| elasticsearch_cluster_health_number_of_in_flight_fetch | gauge | 1 |
The number of ongoing shard info requests. 正在進行的碎片信息請求的數量 |
| elasticsearch_cluster_health_number_of_nodes | gauge | 1 |
Number of nodes in the cluster. 集羣內所有的節點 |
| elasticsearch_cluster_health_number_of_pending_tasks | gauge | 1 |
Cluster level changes which have not yet been executed 尚未執行的集羣級別更改 |
| elasticsearch_cluster_health_task_max_waiting_in_queue_millis | gauge | 1 |
Max time in millis that a task is waiting in queue. 任務在隊列中等待的最長時間（以毫秒爲單位）。 |
| elasticsearch_cluster_health_relocating_shards | gauge | 1 |
The number of shards that are currently moving from one node to another node. 當前節點正在遷移到其他節點的分片數量，通常爲0，集羣中有節點新加入或者退出時該值會增加 |
| elasticsearch_cluster_health_status | gauge | 3 |
Whether all primary and replica shards are allocated. 集羣狀態，green，yellow，red |
| elasticsearch_cluster_health_timed_out | gauge | 1 |
Number of cluster health checks timed out. 集羣運行狀況檢查次數超時 |
| elasticsearch_cluster_health_unassigned_shards | gauge | 1 |
The number of shards that exist in the cluster state, but cannot be found in the cluster itself. 未分配分片數 |
| elasticsearch_filesystem_data_available_bytes | gauge | 1 |
Available space on block device in bytes 塊設備上的可用空間（以字節爲單位） |
| elasticsearch_filesystem_data_free_bytes | gauge | 1 |
Free space on block device in bytes 磁盤可用空間 |
| elasticsearch_filesystem_data_size_bytes | gauge | 1 |
Size of block device in bytes 塊設備的大小（以字節爲單位） |
| elasticsearch_filesystem_io_stats_device_operations_count | gauge | 1 |
Count of disk operations 磁盤操作數 |
| elasticsearch_filesystem_io_stats_device_read_operations_count | gauge | 1 |
Count of disk read operations 磁盤讀取操作數 |
| elasticsearch_filesystem_io_stats_device_write_operations_count | gauge | 1 |
Count of disk write operations 磁盤寫操作數 |
| elasticsearch_filesystem_io_stats_device_read_size_kilobytes_sum | gauge | 1 |
Total kilobytes read from disk 從磁盤讀取的總千字節 |
| elasticsearch_filesystem_io_stats_device_write_size_kilobytes_sum | gauge | 1 |
Total kilobytes written to disk 寫入磁盤的總千字節 |
| elasticsearch_indices_docs | gauge | 1 |
Count of documents on this node 此節點上的文檔數 |
| elasticsearch_indices_docs_deleted | gauge | 1 |
Count of deleted documents on this node 此節點上已刪除文檔的數量 |
| elasticsearch_indices_docs_primary | gauge |
Count of documents with only primary shards on all nodes 所有節點上僅具有主分片的文檔數 |
|
| elasticsearch_indices_fielddata_evictions | counter | 1 |
Evictions from field data 來自fielddata緩存的驅逐次數 |
| elasticsearch_indices_fielddata_memory_size_bytes | gauge | 1 |
Field data cache memory usage in bytes fielddata緩存的大小（字節） |
| elasticsearch_indices_filter_cache_evictions | counter | 1 |
Evictions from filter cache 來自過濾器緩存的驅逐次數（僅版本2.x） |
| elasticsearch_indices_filter_cache_memory_size_bytes | gauge | 1 |
Filter cache memory usage in bytes 過濾器高速緩存的大小（字節）（僅版本2.x） |
| elasticsearch_indices_flush_time_seconds | counter | 1 |
Cumulative flush time in seconds 將索引刷新到磁盤上的總時間（累計flush時間） |
| elasticsearch_indices_flush_total | counter | 1 |
Total flushes 索引刷新總數到磁盤 |
| elasticsearch_indices_get_exists_time_seconds | counter | 1 |
Total time get exists in seconds 獲得的總時間以秒爲單位 |
| elasticsearch_indices_get_exists_total | counter | 1 |
Total get exists operations 獲得操作總數 |
| elasticsearch_indices_get_missing_time_seconds | counter | 1 |
Total time of get missing in seconds 花費在文檔丟失的GET請求上的總時間 |
| elasticsearch_indices_get_missing_total | counter | 1 |
Total get missing 丟失的文件的GET請求總數 |
| elasticsearch_indices_get_time_seconds | counter | 1 |
Total get time in seconds 總獲得時間（以秒爲單位） |
| elasticsearch_indices_get_total | counter | 1 |
Total get 總獲得 |
| elasticsearch_indices_indexing_delete_time_seconds_total | counter | 1 |
Total time indexing delete in seconds 索引的文件刪除總時間 |
| elasticsearch_indices_indexing_delete_total | counter | 1 |
Total indexing deletes 索引的文件刪除總數 |
| elasticsearch_indices_indexing_index_time_seconds_total | counter | 1 |
Cumulative index time in seconds 索引文檔總時間 |
| elasticsearch_indices_indexing_index_total | counter | 1 |
Total index calls 索引的文件總數 |
| elasticsearch_indices_merges_docs_total | counter | 1 |
Cumulative docs merged 累積文檔合併 |
| elasticsearch_indices_merges_total | counter | 1 |
Total merges 合併總數 |
| elasticsearch_indices_merges_total_size_bytes_total | counter | 1 |
Total merge size in bytes 總合並大小（以字節爲單位） |
| elasticsearch_indices_merges_total_time_seconds_total | counter | 1 |
Total time spent merging in seconds 合併所花費的總時間（以秒爲單位） |
| elasticsearch_indices_query_cache_cache_total | counter | 1 |
Count of query cache 查詢緩存數 |
| elasticsearch_indices_query_cache_cache_size | gauge | 1 |
Size of query cache 查詢緩存的大小 |
| elasticsearch_indices_query_cache_count | counter | 2 |
Count of query cache hit/miss 查詢緩存命中/未命中計數 |
| elasticsearch_indices_query_cache_evictions | counter | 1 |
Evictions from query cache 從查詢緩存中逐出 |
| elasticsearch_indices_query_cache_memory_size_bytes | gauge | 1 |
Query cache memory usage in bytes 查詢緩存的內存使用量（以字節爲單位） |
| elasticsearch_indices_query_cache_total | counter | 1 |
Size of query cache total 查詢緩存總大小 |
| elasticsearch_indices_refresh_time_seconds_total | counter | 1 |
Total time spent refreshing in seconds 刷新指數的總時間 |
| elasticsearch_indices_refresh_total | counter | 1 |
Total refreshes 索引刷新總數 |
| elasticsearch_indices_request_cache_count | counter | 2 |
Count of request cache hit/miss 請求緩存命中/未命中計數 |
| elasticsearch_indices_request_cache_evictions | counter | 1 |
Evictions from request cache 從請求緩存中逐出 |
| elasticsearch_indices_request_cache_memory_size_bytes | gauge | 1 |
Request cache memory usage in bytes 請求緩存內存使用量（以字節爲單位） |
| elasticsearch_indices_search_fetch_time_seconds | counter | 1 |
Total search fetch time in seconds 花費在提取上的總時間 |
| elasticsearch_indices_search_fetch_total | counter | 1 |
Total number of fetches 提取總數 |
| elasticsearch_indices_search_query_time_seconds | counter | 1 |
Total search query time in seconds 查詢總時間（性能） |
| elasticsearch_indices_search_query_total | counter | 1 |
Total number of queries 查詢總數（吞吐量） |
| elasticsearch_indices_segments_count | gauge | 1 |
Count of index segments on this node 此節點上索引段的計數 |
| elasticsearch_indices_segments_memory_bytes | gauge | 1 |
Current memory size of segments in bytes 段的當前內存大小（以字節爲單位） |
| elasticsearch_indices_settings_stats_read_only_indices | gauge | 1 |
Count of indices that have read_only_allow_delete=true 具有read_only_allow_delete = true的索引計數 |
| elasticsearch_indices_shards_docs | gauge | 3 |
Count of documents on this shard 該分片上的文檔數 |
| elasticsearch_indices_shards_docs_deleted | gauge | 3 |
Count of deleted documents on each shard 每個分片上已刪除文檔的數量 |
| elasticsearch_indices_store_size_bytes | gauge | 1 |
Current size of stored index data in bytes 當前存儲的索引數據大小（以字節爲單位） |
| elasticsearch_indices_store_size_bytes_primary | gauge |
Current size of stored index data in bytes with only primary shards on all nodes 當前存儲的索引數據大小（以字節爲單位），所有節點上只有主分片 |
|
| elasticsearch_indices_store_size_bytes_total | gauge |
Current size of stored index data in bytes with all shards on all nodes 所有節點上所有分片的已存儲索引數據的當前大小（以字節爲單位） |
|
| elasticsearch_indices_store_throttle_time_seconds_total | counter | 1 |
Throttle time for index store in seconds 索引存儲的節流時間（以秒爲單位） |
| elasticsearch_indices_translog_operations | counter | 1 |
Total translog operations 總移轉作業 |
| elasticsearch_indices_translog_size_in_bytes | counter | 1 |
Total translog size in bytes 總translog大小（以字節爲單位） |
| elasticsearch_indices_warmer_time_seconds_total | counter | 1 |
Total warmer time in seconds 總升溫時間（以秒爲單位） |
| elasticsearch_indices_warmer_total | counter | 1 |
Total warmer count 總暖箱數 |
| elasticsearch_jvm_gc_collection_seconds_count | counter | 2 |
Count of JVM GC runs 垃圾蒐集數 |
| elasticsearch_jvm_gc_collection_seconds_sum | counter | 2 |
GC run time in seconds 垃圾回收時間 |
| elasticsearch_jvm_memory_committed_bytes | gauge | 2 |
JVM memory currently committed by area 最大使用內存限制 |
| elasticsearch_jvm_memory_max_bytes | gauge | 1 |
JVM memory max 配置的最大jvm值 |
| elasticsearch_jvm_memory_used_bytes | gauge | 2 |
JVM memory currently used by area 內存使用量 |
| elasticsearch_jvm_memory_pool_used_bytes | gauge | 3 |
JVM memory currently used by pool 目前使用的JVM內存池 |
| elasticsearch_jvm_memory_pool_max_bytes | counter | 3 |
JVM memory max by pool JVM內存最大池數 |
| elasticsearch_jvm_memory_pool_peak_used_bytes | counter | 3 |
JVM memory peak used by pool 池使用的JVM內存峯值 |
| elasticsearch_jvm_memory_pool_peak_max_bytes | counter | 3 |
JVM memory peak max by pool 最大的JVM內存峯值 |
| elasticsearch_os_cpu_percent | gauge | 1 |
Percent CPU used by the OS 操作系統使用的CPU百分比 |
| elasticsearch_os_load1 | gauge | 1 |
Shortterm load average 短期平均負載 |
| elasticsearch_os_load5 | gauge | 1 |
Midterm load average 中期平均負荷 |
| elasticsearch_os_load15 | gauge | 1 |
Longterm load average 長期平均負載 |
| elasticsearch_process_cpu_percent | gauge | 1 |
Percent CPU used by process CPU使用率 |
| elasticsearch_process_cpu_time_seconds_sum | counter | 3 |
Process CPU time in seconds 處理CPU時間（以秒爲單位） |
| elasticsearch_process_mem_resident_size_bytes | gauge | 1 |
Resident memory in use by process in bytes 進程使用的駐留內存（以字節爲單位） |
| elasticsearch_process_mem_share_size_bytes | gauge | 1 |
Shared memory in use by process in bytes 進程正在使用的共享內存（以字節爲單位） |
| elasticsearch_process_mem_virtual_size_bytes | gauge | 1 |
Total virtual memory used in bytes 使用的總虛擬內存（以字節爲單位） |
| elasticsearch_process_open_files_count | gauge | 1 |
Open file descriptors ES進程打開的文件描述符 |
| elasticsearch_snapshot_stats_number_of_snapshots | gauge | 1 |
Total number of snapshots 快照總數 |
| elasticsearch_snapshot_stats_oldest_snapshot_timestamp | gauge | 1 |
Oldest snapshot timestamp 最早的快照時間戳 |
| elasticsearch_snapshot_stats_snapshot_start_time_timestamp | gauge | 1 |
Last snapshot start timestamp 上次快照開始時間戳 |
| elasticsearch_snapshot_stats_snapshot_end_time_timestamp | gauge | 1 |
Last snapshot end timestamp 上次快照結束時間戳記 |
| elasticsearch_snapshot_stats_snapshot_number_of_failures | gauge | 1 |
Last snapshot number of failures 上次快照失敗次數 |
| elasticsearch_snapshot_stats_snapshot_number_of_indices | gauge | 1 |
Last snapshot number of indices 索引的最後快照數量 |
| elasticsearch_snapshot_stats_snapshot_failed_shards | gauge | 1 |
Last snapshot failed shards 上次快照失敗的分片 |
| elasticsearch_snapshot_stats_snapshot_successful_shards | gauge | 1 |
Last snapshot successful shards 上次快照成功分片 |
| elasticsearch_snapshot_stats_snapshot_total_shards | gauge | 1 |
Last snapshot total shard 上次快照總分片 |
| elasticsearch_thread_pool_active_count | gauge | 14 |
Thread Pool threads active 線程池線程活動（bulk、index、search、force_merge） |
| elasticsearch_thread_pool_completed_count | counter | 14 |
Thread Pool operations completed 線程池操作完成（bulk、index、search、force_merge） |
| elasticsearch_thread_pool_largest_count | gauge | 14 |
Thread Pool largest threads count 線程池最大線程數（bulk、index、search、force_merge） |
| elasticsearch_thread_pool_queue_count | gauge | 14 |
Thread Pool operations queued 線程池中的排隊線程數（bulk、index、search、force_merge） |
| elasticsearch_thread_pool_rejected_count | counter | 14 |
Thread Pool operations rejected 線程池的被拒絕線程數 |
| elasticsearch_thread_pool_threads_count | gauge | 14 |
Thread Pool current threads count 線程池當前線程數 |
| elasticsearch_transport_rx_packets_total | counter | 1 |
Count of packets received ES節點之間網絡入流量 |
| elasticsearch_transport_rx_size_bytes_total | counter | 1 |
Total number of bytes received 接收的字節總數 |
| elasticsearch_transport_tx_packets_total | counter | 1 |
Count of packets sent ES節點之間網絡出流量 |
| elasticsearch_transport_tx_size_bytes_total | counter | 1 |
Total number of bytes sent 發送的總字節數 |
| elasticsearch_clusterinfo_last_retrieval_success_ts | gauge | 1 |
Timestamp of the last successful cluster info retrieval 上一次成功的集羣信息檢索的時間戳 |
| elasticsearch_clusterinfo_up | gauge | 1 |
Up metric for the cluster info collector 集羣信息收集器的啓動指標 |
| elasticsearch_clusterinfo_version_info | gauge | 6 |
Constant metric with ES version information as labels 帶有ES版本信息作爲標籤的常量指標 |