ES的API使用
{"cluster_name" : "myapp",
"nodes" : {
"La0pzwQrQDK-r9B5JzNuIA" : {
"timestamp" : 1523769963467,
"name" : "node3",
"transport_address" : "127.0.0.1:9302",
"host" : "127.0.0.1",
"ip" : [ "127.0.0.1:9302", "NONE" ],
"attributes" : {
"master" : "true"
},
"indices" : { --索引信息
"docs" : {
"count" : 5663, --document数量
"deleted" : 0
},
"store" : {
"size_in_bytes" : 17227849, --存储空间大小
"throttle_time_in_millis" : 0 --限流时间，如果限流时间很大，那可能表明你的磁盘限流设置得过
},
"indexing" : { --索引信息
"index_total" : 289046, --索引数据
"index_time_in_millis" : 750592, --索引用时，可以除以索引数量，得到每次索引的平均时间
"index_current" : 0,
"index_failed" : 25,
"delete_total" : 1423, --删除数据
"delete_time_in_millis" : 382,--删除耗时
"delete_current" : 0,
"noop_update_total" : 944,
"is_throttled" : false,
"throttle_time_in_millis" : 0
},
"get" : {
"total" : 1018,
"time_in_millis" : 221,
"exists_total" : 954,
"exists_time_in_millis" : 217,
"missing_total" : 64,
"missing_time_in_millis" : 4,
"current" : 0
},
"search" : { --查询
"open_contexts" : 0, --活跃中的搜索数量
"query_total" : 593899, --query操作数量
"query_time_in_millis" : 980120,--query操作耗时，query_time_in_millis / query_total计算的比值，可以用来粗略的评价你的查询有多高效。比值越大，每个查询花费的时间越多，你应该要考虑调优了。
"query_current" : 0,
"fetch_total" : 587866, --fatch数量
"fetch_time_in_millis" : 3692858, --fatch耗时，统计值展示了查询处理的后一半流程（query-then-fetch 里的 fetch），如果 fetch 耗时比 query 还多，说明磁盘较慢，或者获取了太多文档，或者可能搜索请求设置了太大的分页（比如， size: 10000 ）
"fetch_current" : 0,
"scroll_total" : 0,
"scroll_time_in_millis" : 0,
"scroll_current" : 0
},
"merges" : { --段合并信息
"current" : 0, --目前运行几个合并
"current_docs" : 0,
"current_size_in_bytes" : 0,
"total" : 325, --合并次数
"total_time_in_millis" : 65894, --合并操作消耗总时间
"total_docs" : 200942, --合并设计的文档数
"total_size_in_bytes" : 441791060, --合并的段的总大小
"total_stopped_time_in_millis" : 0,
"total_throttled_time_in_millis" : 0,
"total_auto_throttle_in_bytes" : 18853396480
},
"refresh" : {
"total" : 44804,
"total_time_in_millis" : 131391
},
"flush" : {
"total" : 2239,
"total_time_in_millis" : 27722
},
"warmer" : {
"current" : 0,
"total" : 120,
"total_time_in_millis" : 4
},
"query_cache" : { --查询缓存使用情况
"memory_size_in_bytes" : 0,--缓存文档数量
"total_count" : 2,
"hit_count" : 0, --命中数量
"miss_count" : 2, --未命中数量
"cache_size" : 0,
"cache_count" : 0,
"evictions" : 0
},
"fielddata" : {
"memory_size_in_bytes" : 0,
"evictions" : 0
},
"percolate" : {
"total" : 0,
"time_in_millis" : 0,
"current" : 0,
"memory_size_in_bytes" : -1,
"memory_size" : "-1b",
"queries" : 0
},
"completion" : {
"size_in_bytes" : 0
},
"segments" : { --段信息
"count" : 30,
"memory_in_bytes" : 717948, --segment内存总大小
"terms_memory_in_bytes" : 332996,
"stored_fields_memory_in_bytes" : 14080,
"term_vectors_memory_in_bytes" : 0,
"norms_memory_in_bytes" : 2304,
"doc_values_memory_in_bytes" : 368568,
"index_writer_memory_in_bytes" : 0,
"index_writer_max_memory_in_bytes" : 6144000,
"version_map_memory_in_bytes" : 0,
"fixed_bit_set_memory_in_bytes" : 0
},
"translog" : {
"operations" : 0,
"size_in_bytes" : 516
},
"suggest" : {
"total" : 0,
"time_in_millis" : 0,
"current" : 0
},
"request_cache" : {
"memory_size_in_bytes" : 0,
"evictions" : 0,
"hit_count" : 0,
"miss_count" : 0
},
"recovery" : {
"current_as_source" : 0,
"current_as_target" : 0,
"throttle_time_in_millis" : 599
}
},
"os" : { --操作系统信息
"timestamp" : 1523769963475,
"cpu_percent" : 16, --cpu使用率
"load_average" : 2.89, --负载
"mem" : { --内存信息
"total_in_bytes" : 135282704384,--内存总大小
"free_in_bytes" : 1091211264, --空闲内存大小
"used_in_bytes" : 134191493120, --使用内存大小
"free_percent" : 1, --空闲半分比
"used_percent" : 99 --使用内存百分比
},
"swap" : { --swap信息
"total_in_bytes" : 17179865088, --swap总大小
"free_in_bytes" : 1044086784, --swap空闲大小
"used_in_bytes" : 16135778304 --swap使用大小
}
},
"process" : {
"timestamp" : 1523769963476,
"open_file_descriptors" : 835, --打开的文件句柄数
"max_file_descriptors" : 102400, --最大文件句柄数
"cpu" : {
"percent" : 0,
"total_in_millis" : 269254050 --cpm使用时间
},
"mem" : {
"total_virtual_in_bytes" : 22376689664
}
},
"jvm" : { --jvm信息
"timestamp" : 1523769963478,
"uptime_in_millis" : 24396978180,
"mem" : {
"heap_used_in_bytes" : 1420965384, --堆使用大小
"heap_used_percent" : 34, --堆使用率
"heap_committed_in_bytes" : 4151836672,
"heap_max_in_bytes" : 4151836672, --堆总大小
"non_heap_used_in_bytes" : 62671016,
"non_heap_committed_in_bytes" : 63045632,
"pools" : {
"young" : { --新生代
"used_in_bytes" : 850822912,
"max_in_bytes" : 1145372672,
"peak_used_in_bytes" : 1145372672,
"peak_max_in_bytes" : 1145372672
},
"survivor" : { --幸存者区
"used_in_bytes" : 5660696,
"max_in_bytes" : 143130624,
"peak_used_in_bytes" : 96813656,
"peak_max_in_bytes" : 143130624
},
"old" : { --老年代
"used_in_bytes" : 564481776,
"max_in_bytes" : 2863333376,
"peak_used_in_bytes" : 564481776,
"peak_max_in_bytes" : 2863333376
}
}
},
"threads" : { --线程
"count" : 342, --线程总数
"peak_count" : 348 --峰值
},
"gc" : {
"collectors" : {
"young" : { --young gc
"collection_count" : 1718,
"collection_time_in_millis" : 49102
},
"old" : { --old gc
"collection_count" : 0,
"collection_time_in_millis" : 0
}
}
},
"buffer_pools" : {
"direct" : {
"count" : 494,
"used_in_bytes" : 70016422,
"total_capacity_in_bytes" : 70016422
},
"mapped" : {
"count" : 15,
"used_in_bytes" : 3549927,
"total_capacity_in_bytes" : 3549927
}
}
},
"thread_pool" : { --线程池情况
"bulk" : {
"threads" : 32,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 32,
"completed" : 287583
},
"fetch_shard_started" : {
"threads" : 1,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 1,
"completed" : 1
},
"fetch_shard_store" : {
"threads" : 1,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 10,
"completed" : 11
},
"flush" : {
"threads" : 1,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 5,
"completed" : 4521
},
"force_merge" : {
"threads" : 1,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 1,
"completed" : 1
},
"generic" : {
"threads" : 1,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 20,
"completed" : 26875520
},
"get" : {
"threads" : 10,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 10,
"completed" : 10
},
"index" : {
"threads" : 23,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 23,
"completed" : 23
},
"listener" : {
"threads" : 10,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 10,
"completed" : 20150413
},
"management" : {
"threads" : 5,
"queue" : 0,
"active" : 1,
"rejected" : 0,
"largest" : 5,
"completed" : 1629062
},
"percolate" : {
"threads" : 0,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 0,
"completed" : 0
},
"refresh" : {
"threads" : 1,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 10,
"completed" : 44804
},
"search" : { --查询
"threads" : 49, --查询线程数
"queue" : 0, --查询队列长度
"active" : 0, --正在处理的请求数
"rejected" : 0, --拒绝的查询请求数量：rejected 受threadpool.search.queue_size: 限制，如果处理能力达到了极限，poo满，就会拒绝。
"largest" : 49,
"completed" : 703061
},
"snapshot" : {
"threads" : 0,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 0,
"completed" : 0
},
"suggest" : {
"threads" : 0,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 0,
"completed" : 0
},
"warmer" : {
"threads" : 1,
"queue" : 0,
"active" : 0,
"rejected" : 0,
"largest" : 2,
"completed" : 5735
}
},
"fs" : { --文件系统
"timestamp" : 1523769963478,
"total" : {
"total_in_bytes" : 1647163199488, --文件系统总大小
"free_in_bytes" : 848772972544, --空闲大小
"available_in_bytes" : 765095141376,
"spins" : "true"
},
"data" : [ {
"path" : "/elasticsearch/2.4.2/node3/myapp/nodes/0",
"mount" : " (/dev/sda7)",
"type" : "ext4",
"total_in_bytes" : 1647163199488,
"free_in_bytes" : 848772972544,
"available_in_bytes" : 765095141376,
"spins" : "true"
} ]
},
"transport" : { --tcp信息
"server_open" : 91,
"rx_count" : 72012076,
"rx_size_in_bytes" : 9420555589,
"tx_count" : 72006544,
"tx_size_in_bytes" : 29520860012
},
"http" : { --http信息：如果你看到 total_opened 数很大而且还在一直上涨，这是一个明确信号，说明你的 HTTP 客户端里有没启用 keep-alive 长连接的。持续的 keep-alive 长连接对性能很重要，因为连接、断开套接字是很昂贵的（而且浪费文件描述符）。请确认你的客户端都配置正确。
"current_open" : 0,
"total_opened" : 0
},
"breakers" : { --断路器
"in_flight_requests" : {
"limit_size_in_bytes" : 4151836672,
"limit_size" : "3.8gb",
"estimated_size_in_bytes" : 123,
"estimated_size" : "123b",
"overhead" : 1.0,
"tripped" : 0
},
"fielddata" : {
"limit_size_in_bytes" : 2491102003,
"limit_size" : "2.3gb",
"estimated_size_in_bytes" : 0,
"estimated_size" : "0b",
"overhead" : 1.03,
"tripped" : 0
},
"request" : {
"limit_size_in_bytes" : 1660734668,
"limit_size" : "1.5gb",
"estimated_size_in_bytes" : 0,
"estimated_size" : "0b",
"overhead" : 1.0,
"tripped" : 0
},
"parent" : {
"limit_size_in_bytes" : 2906285670,
"limit_size" : "2.7gb",
"estimated_size_in_bytes" : 123,
"estimated_size" : "123b",
"overhead" : 1.0,
"tripped" : 0
}
},
"script" : {
"compilations" : 0,
"cache_evictions" : 0
}
},
其他节点（略） 。。。。。。
}
}
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