统计 API
使用 stats 操作监控分片索引背压。
统计
1.2 中引入
返回索引请求拒绝的节点级和分片级统计信息。
请求
GET _nodes/_local/stats/shard_indexing_pressure
如果 enforced 为 true
示例响应
{
"_nodes": {
"total": 1,
"successful": 1,
"failed": 0
},
"cluster_name": "runTask",
"nodes": {
"q3e1dQjFSqyPSLAgpyQlfw": {
"timestamp": 1613072111162,
"name": "runTask-0",
"transport_address": "127.0.0.1:9300",
"host": "127.0.0.1",
"ip": "127.0.0.1:9300",
"roles": [
"data",
"ingest",
"cluster_manager",
"remote_cluster_client"
],
"attributes": {
"testattr": "test"
},
"shard_indexing_pressure": {
"stats": {
"[index_name][0]": {
"memory": {
"current": {
"coordinating_in_bytes": 0,
"primary_in_bytes": 0,
"replica_in_bytes": 0
},
"total": {
"coordinating_in_bytes": 299,
"primary_in_bytes": 299,
"replica_in_bytes": 0
}
},
"rejection": {
"coordinating": {
"coordinating_rejections": 0,
"breakup": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
}
},
"primary": {
"primary_rejections": 0,
"breakup": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
}
},
"replica": {
"replica_rejections": 0,
"breakup": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
}
}
},
"last_successful_timestamp": {
"coordinating_last_successful_request_timestamp_in_millis": 1613072107990,
"primary_last_successful_request_timestamp_in_millis": 0,
"replica_last_successful_request_timestamp_in_millis": 0
},
"indexing": {
"coordinating_time_in_millis": 96,
"coordinating_count": 1,
"primary_time_in_millis": 0,
"primary_count": 0,
"replica_time_in_millis": 0,
"replica_count": 0
},
"memory_allocation": {
"current": {
"current_coordinating_and_primary_bytes": 0,
"current_replica_bytes": 0
},
"limit": {
"current_coordinating_and_primary_limits_in_bytes": 51897,
"current_replica_limits_in_bytes": 77845
}
}
}
},
"total_rejections_breakup": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
},
"enabled": true,
"enforced" : true
}
}
}
}
如果 enforced 为 false
示例响应
{
"_nodes": {
"total": 1,
"successful": 1,
"failed": 0
},
"cluster_name": "runTask",
"nodes": {
"q3e1dQjFSqyPSLAgpyQlfw": {
"timestamp": 1613072111162,
"name": "runTask-0",
"transport_address": "127.0.0.1:9300",
"host": "127.0.0.1",
"ip": "127.0.0.1:9300",
"roles": [
"data",
"ingest",
"cluster_manager",
"remote_cluster_client"
],
"attributes": {
"testattr": "test"
},
"shard_indexing_pressure": {
"stats": {
"[index_name][0]": {
"memory": {
"current": {
"coordinating_in_bytes": 0,
"primary_in_bytes": 0,
"replica_in_bytes": 0
},
"total": {
"coordinating_in_bytes": 299,
"primary_in_bytes": 299,
"replica_in_bytes": 0
}
},
"rejection": {
"coordinating": {
"coordinating_rejections": 0,
"breakup_shadow_mode": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
}
},
"primary": {
"primary_rejections": 0,
"breakup_shadow_mode": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
}
},
"replica": {
"replica_rejections": 0,
"breakup_shadow_mode": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
}
}
},
"last_successful_timestamp": {
"coordinating_last_successful_request_timestamp_in_millis": 1613072107990,
"primary_last_successful_request_timestamp_in_millis": 0,
"replica_last_successful_request_timestamp_in_millis": 0
},
"indexing": {
"coordinating_time_in_millis": 96,
"coordinating_count": 1,
"primary_time_in_millis": 0,
"primary_count": 0,
"replica_time_in_millis": 0,
"replica_count": 0
},
"memory_allocation": {
"current": {
"current_coordinating_and_primary_bytes": 0,
"current_replica_bytes": 0
},
"limit": {
"current_coordinating_and_primary_limits_in_bytes": 51897,
"current_replica_limits_in_bytes": 77845
}
}
}
},
"total_rejections_breakup_shadow_mode": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
},
"enabled": true,
"enforced" : false
}
}
}
}
要包含所有具有活动和以前写入操作的分片，请指定 include_all 参数
请求
GET _nodes/_local/stats/shard_indexing_pressure?include_all
示例响应
{
"_nodes": {
"total": 1,
"successful": 1,
"failed": 0
},
"cluster_name": "runTask",
"nodes": {
"q3e1dQjFSqyPSLAgpyQlfw": {
"timestamp": 1613072198171,
"name": "runTask-0",
"transport_address": "127.0.0.1:9300",
"host": "127.0.0.1",
"ip": "127.0.0.1:9300",
"roles": [
"data",
"ingest",
"cluster_manager",
"remote_cluster_client"
],
"attributes": {
"testattr": "test"
},
"shard_indexing_pressure": {
"stats": {
"[index_name][0]": {
"memory": {
"current": {
"coordinating_in_bytes": 0,
"primary_in_bytes": 0,
"replica_in_bytes": 0
},
"total": {
"coordinating_in_bytes": 604,
"primary_in_bytes": 604,
"replica_in_bytes": 0
}
},
"rejection": {
"coordinating": {
"coordinating_rejections": 0,
"breakup": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
}
},
"primary": {
"primary_rejections": 0,
"breakup": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
}
},
"replica": {
"replica_rejections": 0,
"breakup": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
}
}
},
"last_successful_timestamp": {
"coordinating_last_successful_request_timestamp_in_millis": 1613072194656,
"primary_last_successful_request_timestamp_in_millis": 0,
"replica_last_successful_request_timestamp_in_millis": 0
},
"indexing": {
"coordinating_time_in_millis": 145,
"coordinating_count": 2,
"primary_time_in_millis": 0,
"primary_count": 0,
"replica_time_in_millis": 0,
"replica_count": 0
},
"memory_allocation": {
"current": {
"current_coordinating_and_primary_bytes": 0,
"current_replica_bytes": 0
},
"limit": {
"current_coordinating_and_primary_limits_in_bytes": 51897,
"current_replica_limits_in_bytes": 77845
}
}
}
},
"total_rejections_breakup": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
},
"enabled": true,
"enforced": true
}
}
}
}
要仅获取所有顶级聚合统计信息，请指定 top 参数（跳过每个分片的统计信息）。
请求
GET _nodes/_local/stats/shard_indexing_pressure?top
如果 enforced 为 true
示例响应
{
"_nodes": {
"total": 1,
"successful": 1,
"failed": 0
},
"cluster_name": "runTask",
"nodes": {
"q3e1dQjFSqyPSLAgpyQlfw": {
"timestamp": 1613072382719,
"name": "runTask-0",
"transport_address": "127.0.0.1:9300",
"host": "127.0.0.1",
"ip": "127.0.0.1:9300",
"roles": [
"data",
"ingest",
"cluster_manager",
"remote_cluster_client"
],
"attributes": {
"testattr": "test"
},
"shard_indexing_pressure": {
"stats": {},
"total_rejections_breakup": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
},
"enabled": true,
"enforced": true
}
}
}
}
如果 enforced 为 false
示例响应
{
"_nodes": {
"total": 1,
"successful": 1,
"failed": 0
},
"cluster_name": "runTask",
"nodes": {
"q3e1dQjFSqyPSLAgpyQlfw": {
"timestamp": 1613072382719,
"name": "runTask-0",
"transport_address": "127.0.0.1:9300",
"host": "127.0.0.1",
"ip": "127.0.0.1:9300",
"roles": [
"data",
"ingest",
"cluster_manager",
"remote_cluster_client"
],
"attributes": {
"testattr": "test"
},
"shard_indexing_pressure": {
"stats": {},
"total_rejections_breakup_shadow_mode": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
},
"enabled": true,
"enforced" : false
}
}
}
}
要获取每个节点的拒绝的分片级细分（仅包括具有活动写入操作的分片）
请求
GET _nodes/stats/shard_indexing_pressure
示例响应
{
"_nodes": {
"total": 1,
"successful": 1,
"failed": 0
},
"cluster_name": "runTask",
"nodes": {
"q3e1dQjFSqyPSLAgpyQlfw": {
"timestamp": 1613072382719,
"name": "runTask-0",
"transport_address": "127.0.0.1:9300",
"host": "127.0.0.1",
"ip": "127.0.0.1:9300",
"roles": [
"data",
"ingest",
"cluster_manager",
"remote_cluster_client"
],
"attributes": {
"testattr": "test"
},
"shard_indexing_pressure": {
"stats": {},
"total_rejections_breakup": {
"node_limits": 0,
"no_successful_request_limits": 0,
"throughput_degradation_limits": 0
},
"enabled": true,
"enforced": true
}
}
}
}