转自：http://blog.csdn.net/yangwenbo214/article/details/74000458
转自：https://www.datadoghq.com/blog/monitor-elasticsearch-performance-metrics/#metrics-to-watch
Cloud Insight Elastic Search 监控，默认监控以下性能指标
elasticsearch.active_primary_shards
elasticsearch.active_shards
elasticsearch.cache.filter.evictions
elasticsearch.cache.filter.size
elasticsearch.cluster_status
elasticsearch.docs.count
elasticsearch.docs.deleted
elasticsearch.fielddata.evictions
elasticsearch.fielddata.size
elasticsearch.flush.total
elasticsearch.flush.total.time
elasticsearch.get.current
elasticsearch.get.exists.time
elasticsearch.get.exists.total
elasticsearch.get.missing.time
elasticsearch.get.missing.total
elasticsearch.get.time
elasticsearch.get.total
elasticsearch.http.current_open
elasticsearch.http.total_opened
elasticsearch.id_cache.size
elasticsearch.indexing.delete.current
elasticsearch.indexing.delete.time
elasticsearch.indexing.delete.total
elasticsearch.indexing.index.current
elasticsearch.indexing.index.time
elasticsearch.indexing.index.total
elasticsearch.initializing_shards
elasticsearch.merges.current
elasticsearch.merges.current.docs
elasticsearch.merges.current.size
elasticsearch.merges.total
elasticsearch.merges.total.docs
elasticsearch.merges.total.size
elasticsearch.merges.total.size
elasticsearch.number_of_nodes
elasticsearch.pending_tasks_priority_high
elasticsearch.pending_tasks_priority_urgent
elasticsearch.pending_tasks_total
elasticsearch.process.open_fd
elasticsearch.refresh.total
elasticsearch.refresh.total.time
elasticsearch.relocating_shards
elasticsearch.search.fetch.current
elasticsearch.search.fetch.open_contexts
elasticsearch.search.fetch.time
elasticsearch.search.fetch.total
elasticsearch.search.query.current
elasticsearch.search.query.time
elasticsearch.search.query.total
elasticsearch.store.size
elasticsearch.thread_pool.bulk.active
elasticsearch.thread_pool.bulk.queue
elasticsearch.thread_pool.bulk.threads
elasticsearch.thread_pool.flush.active
elasticsearch.thread_pool.flush.queue
elasticsearch.thread_pool.flush.threads
elasticsearch.thread_pool.generic.active
elasticsearch.thread_pool.generic.queue
elasticsearch.thread_pool.generic.threads
elasticsearch.thread_pool.get.active
elasticsearch.thread_pool.get.queue
elasticsearch.thread_pool.get.threads
elasticsearch.thread_pool.index.active
elasticsearch.thread_pool.index.queue
elasticsearch.thread_pool.index.threads
elasticsearch.thread_pool.management.active
elasticsearch.thread_pool.management.queue
elasticsearch.thread_pool.management.threads
elasticsearch.thread_pool.merge.active
elasticsearch.thread_pool.merge.queue
elasticsearch.thread_pool.merge.threads
elasticsearch.thread_pool.percolate.active
elasticsearch.thread_pool.percolate.queue
elasticsearch.thread_pool.percolate.threads
elasticsearch.thread_pool.refresh.active
elasticsearch.thread_pool.refresh.queue
elasticsearch.thread_pool.refresh.threads
elasticsearch.thread_pool.search.active
elasticsearch.thread_pool.search.queue
elasticsearch.thread_pool.search.threads
elasticsearch.thread_pool.snapshot.active
elasticsearch.thread_pool.snapshot.queue
elasticsearch.thread_pool.snapshot.threads
elasticsearch.transport.rx_count
elasticsearch.transport.rx_size
elasticsearch.transport.server_open
elasticsearch.transport.tx_count
elasticsearch.transport.tx_size
elasticsearch.unassigned_shards