12 KiB
12 KiB
| layout | title | parent | nav_order | grand_parent | has_children | redirect_from | |
|---|---|---|---|---|---|---|---|
| default | Stats API | Shard indexing backpressure | 2 | Availability and Recovery | false |
|
Stats API
Use the stats operation to monitor shard indexing backpressure.
Stats
Introduced 1.2 {: .label .label-purple }
Returns node-level and shard-level stats for indexing request rejections.
Request
GET _nodes/_local/stats/shard_indexing_pressure
If enforced is true:
Sample response
{
"_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
}
}
}
}
If enforced is false:
Sample response
{
"_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
}
}
}
}
To include all the shards with both active and previous write operations performed on them, specify the include_all parameter:
Request
GET _nodes/_local/stats/shard_indexing_pressure?include_all
Sample response
{
"_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
}
}
}
}
To get only all the top-level aggregated stats, specify the top parameter (skips the per-shard stats).
Request
GET _nodes/_local/stats/shard_indexing_pressure?top
If enforced is true:
Sample response
{
"_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
}
}
}
}
If enforced is false:
Sample response
{
"_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
}
}
}
}
To get the shard-level breakup of rejections for every node (only includes shards with active write operations):
Request
GET _nodes/stats/shard_indexing_pressure
Sample response
{
"_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
}
}
}
}