485 lines
16 KiB
Markdown
485 lines
16 KiB
Markdown
---
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layout: default
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title: Cluster stats
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parent: REST API reference
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nav_order: 65
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---
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# Cluster stats
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Introduced 1.0
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{: .label .label-purple }
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The cluster stats API operation returns statistics about your cluster.
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## Examples
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```json
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GET _cluster/stats/nodes/_master
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```
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## Path and HTTP methods
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```json
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GET _cluster/stats
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GET _cluster/stats/nodes/<node-filters>
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```
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## URL parameters
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All cluster stats parameters are optional.
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Parameter | Type | Description
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:--- | :--- | :---
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<node-filters> | List | A comma-separated list of [node-filters](../nodes-apis/index/#node-filters) that OpenSearch uses to filter results.
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## Response
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```json
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{
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"_nodes": {
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"total": 1,
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"successful": 1,
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"failed": 0
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},
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"cluster_name": "opensearch-cluster",
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"cluster_uuid": "QravFieJS_SlZJyBMcDMqQ",
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"timestamp": 1644607845054,
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"status": "yellow",
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"indices": {
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"count": 114,
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"shards": {
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"total": 121,
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"primaries": 60,
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"replication": 1.0166666666666666,
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"index": {
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"shards": {
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"min": 1,
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"max": 2,
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"avg": 1.0614035087719298
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},
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"primaries": {
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"min": 0,
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"max": 2,
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"avg": 0.5263157894736842
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},
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"replication": {
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"min": 0.0,
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"max": 1.0,
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"avg": 0.008771929824561403
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}
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}
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},
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"docs": {
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"count": 134263,
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"deleted": 115
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},
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"store": {
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"size_in_bytes": 70466547,
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"reserved_in_bytes": 0
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},
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"fielddata": {
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"memory_size_in_bytes": 664,
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"evictions": 0
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},
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"query_cache": {
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"memory_size_in_bytes": 0,
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"total_count": 1,
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"hit_count": 0,
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"miss_count": 1,
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"cache_size": 0,
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"cache_count": 0,
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"evictions": 0
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},
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"completion": {
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"size_in_bytes": 0
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},
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"segments": {
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"count": 341,
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"memory_in_bytes": 3137244,
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"terms_memory_in_bytes": 2488992,
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"stored_fields_memory_in_bytes": 167672,
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"term_vectors_memory_in_bytes": 0,
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"norms_memory_in_bytes": 346816,
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"points_memory_in_bytes": 0,
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"doc_values_memory_in_bytes": 133764,
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"index_writer_memory_in_bytes": 0,
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"version_map_memory_in_bytes": 0,
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"fixed_bit_set_memory_in_bytes": 1112,
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"max_unsafe_auto_id_timestamp": 1644269449096,
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"file_sizes": {}
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},
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"mappings": {
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"field_types": [
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{
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"name": "alias",
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"count": 1,
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"index_count": 1
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},
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{
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"name": "binary",
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"count": 1,
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"index_count": 1
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},
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{
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"name": "boolean",
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"count": 87,
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"index_count": 22
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},
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{
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"name": "date",
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"count": 185,
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"index_count": 91
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},
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{
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"name": "double",
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"count": 5,
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"index_count": 2
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},
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{
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"name": "float",
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"count": 4,
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"index_count": 1
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},
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{
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"name": "geo_point",
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"count": 4,
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"index_count": 3
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},
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{
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"name": "half_float",
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"count": 12,
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"index_count": 1
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},
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{
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"name": "integer",
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"count": 144,
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"index_count": 29
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},
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{
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"name": "ip",
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"count": 2,
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"index_count": 1
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},
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{
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"name": "keyword",
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"count": 1939,
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"index_count": 109
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},
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{
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"name": "knn_vector",
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"count": 1,
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"index_count": 1
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},
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{
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"name": "long",
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"count": 158,
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"index_count": 92
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},
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{
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"name": "nested",
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"count": 25,
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"index_count": 10
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},
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{
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"name": "object",
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"count": 420,
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"index_count": 91
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},
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{
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"name": "text",
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"count": 1768,
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"index_count": 102
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}
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]
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},
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"analysis": {
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"char_filter_types": [],
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"tokenizer_types": [],
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"filter_types": [],
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"analyzer_types": [],
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"built_in_char_filters": [],
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"built_in_tokenizers": [],
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"built_in_filters": [],
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"built_in_analyzers": [
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{
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"name": "english",
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"count": 1,
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"index_count": 1
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}
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]
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}
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},
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"nodes": {
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"count": {
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"total": 1,
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"coordinating_only": 0,
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"data": 1,
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"ingest": 1,
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"master": 1,
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"remote_cluster_client": 1
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},
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"versions": [
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"1.2.4"
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],
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"os": {
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"available_processors": 6,
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"allocated_processors": 6,
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"names": [
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{
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"name": "Linux",
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"count": 1
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}
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],
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"pretty_names": [
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{
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"pretty_name": "Amazon Linux 2",
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"count": 1
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}
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],
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"mem": {
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"total_in_bytes": 6232674304,
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"free_in_bytes": 1452658688,
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"used_in_bytes": 4780015616,
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"free_percent": 23,
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"used_percent": 77
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}
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},
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"process": {
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"cpu": {
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"percent": 0
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},
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"open_file_descriptors": {
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"min": 970,
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"max": 970,
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"avg": 970
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}
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},
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"jvm": {
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"max_uptime_in_millis": 108800629,
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"versions": [
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{
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"version": "15.0.1",
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"vm_name": "OpenJDK 64-Bit Server VM",
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"vm_version": "15.0.1+9",
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"vm_vendor": "AdoptOpenJDK",
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"bundled_jdk": true,
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"using_bundled_jdk": true,
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"count": 1
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}
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],
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"mem": {
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"heap_used_in_bytes": 178956256,
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"heap_max_in_bytes": 536870912
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},
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"threads": 112
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},
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"fs": {
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"total_in_bytes": 62725623808,
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"free_in_bytes": 28442726400,
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"available_in_bytes": 25226010624
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},
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"plugins": [
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{
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"name": "opensearch-index-management",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "OpenSearch Index Management Plugin",
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"classname": "org.opensearch.indexmanagement.IndexManagementPlugin",
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"custom_foldername": "",
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"extended_plugins": [
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"opensearch-job-scheduler"
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],
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"has_native_controller": false
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},
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{
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"name": "opensearch-security",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "Provide access control related features for OpenSearch 1.0.0",
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"classname": "org.opensearch.security.OpenSearchSecurityPlugin",
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"custom_foldername": "opensearch-security",
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"extended_plugins": [],
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"has_native_controller": false
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},
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{
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"name": "opensearch-cross-cluster-replication",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "OpenSearch Cross Cluster Replication Plugin",
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"classname": "org.opensearch.replication.ReplicationPlugin",
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"custom_foldername": "",
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"extended_plugins": [],
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"has_native_controller": false
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},
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{
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"name": "opensearch-job-scheduler",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "OpenSearch Job Scheduler plugin",
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"classname": "org.opensearch.jobscheduler.JobSchedulerPlugin",
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"custom_foldername": "",
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"extended_plugins": [],
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"has_native_controller": false
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},
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{
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"name": "opensearch-anomaly-detection",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "OpenSearch anomaly detector plugin",
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"classname": "org.opensearch.ad.AnomalyDetectorPlugin",
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"custom_foldername": "",
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"extended_plugins": [
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"lang-painless",
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"opensearch-job-scheduler"
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],
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"has_native_controller": false
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},
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{
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"name": "opensearch-performance-analyzer",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "OpenSearch Performance Analyzer Plugin",
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"classname": "org.opensearch.performanceanalyzer.PerformanceAnalyzerPlugin",
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"custom_foldername": "",
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"extended_plugins": [],
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"has_native_controller": false
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},
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{
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"name": "opensearch-reports-scheduler",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "Scheduler for Dashboards Reports Plugin",
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"classname": "org.opensearch.reportsscheduler.ReportsSchedulerPlugin",
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"custom_foldername": "",
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"extended_plugins": [
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"opensearch-job-scheduler"
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],
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"has_native_controller": false
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},
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{
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"name": "opensearch-asynchronous-search",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "Provides support for asynchronous search",
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"classname": "org.opensearch.search.asynchronous.plugin.AsynchronousSearchPlugin",
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"custom_foldername": "",
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"extended_plugins": [],
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"has_native_controller": false
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},
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{
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"name": "opensearch-knn",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "OpenSearch k-NN plugin",
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"classname": "org.opensearch.knn.plugin.KNNPlugin",
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"custom_foldername": "",
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"extended_plugins": [
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"lang-painless"
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],
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"has_native_controller": false
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},
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{
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"name": "opensearch-alerting",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "Amazon OpenSearch alerting plugin",
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"classname": "org.opensearch.alerting.AlertingPlugin",
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"custom_foldername": "",
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"extended_plugins": [
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"lang-painless"
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],
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"has_native_controller": false
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},
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{
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"name": "opensearch-observability",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "OpenSearch Plugin for OpenSearch Dashboards Observability",
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"classname": "org.opensearch.observability.ObservabilityPlugin",
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"custom_foldername": "",
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"extended_plugins": [],
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"has_native_controller": false
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},
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{
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"name": "opensearch-sql",
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"version": "1.2.4.0",
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"opensearch_version": "1.2.4",
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"java_version": "1.8",
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"description": "OpenSearch SQL",
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"classname": "org.opensearch.sql.plugin.SQLPlugin",
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"custom_foldername": "",
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"extended_plugins": [],
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"has_native_controller": false
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}
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],
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"network_types": {
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"transport_types": {
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"org.opensearch.security.ssl.http.netty.SecuritySSLNettyTransport": 1
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},
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"http_types": {
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"org.opensearch.security.http.SecurityHttpServerTransport": 1
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}
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},
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"discovery_types": {
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"zen": 1
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},
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"packaging_types": [
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{
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"type": "tar",
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"count": 1
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}
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],
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"ingest": {
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"number_of_pipelines": 0,
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"processor_stats": {}
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}
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}
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}
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```
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## Response body fields
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Field | Description
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:--- | :---
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nodes | How many nodes returned in the response.
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cluster_name | The cluster's name.
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cluster_uuid | The cluster's uuid.
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timestamp | The Unix epoch time of when the cluster was last refreshed.
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status | The cluster's health status.
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indices | Statistics about the indexes in the cluster.
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indices.count | How many indexes are in the cluster.
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indices.shards | Information about the cluster's shards.
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indices.docs | How many documents are still in the cluster and how many documents are deleted.
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indices.store | Information about the cluster's storage.
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indices.fielddata | Information about the cluster's field data
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indices.query_cache | Data about the cluster's query cache.
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indices.completion | How many bytes in memory are used to complete operations.
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indices.segments | Information about the cluster's segments, which are small Lucene indexes.
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indices.mappings | Mappings within the cluster.
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indices.analysis | Information about analyzers used in the cluster.
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nodes | Statistics about the nodes in the cluster.
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nodes.count | How many nodes were returned from the request.
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nodes.versions | OpenSearch's version number.
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nodes.os | Information abotu the operating systems used in the nodes.
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nodes.process | The processes the returned nodes use.
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nodes.jvm | Statistics about the Java Virtual Machines in use.
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nodes.fs | The nodes' file storage.
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nodes.plugins | The OpenSearch plugins integrated within the nodes.
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nodes.network_types | The transport and HTTP networks within the nodes.
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nodes.discovery_type | The method the nodes use to find other nodes within the cluster.
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nodes.packaging_types | Information about the nodes' OpenSearch distribution.
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nodes.ingest | Information about the nodes' ingest pipelines/nodes, if there are any.
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