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Diffstat (limited to 'docs/reference/cluster/stats.asciidoc')
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diff --git a/docs/reference/cluster/stats.asciidoc b/docs/reference/cluster/stats.asciidoc new file mode 100644 index 0000000..43c3f7a --- /dev/null +++ b/docs/reference/cluster/stats.asciidoc @@ -0,0 +1,168 @@ +[[cluster-stats]] +== Cluster Stats + +The Cluster Stats API allows to retrieve statistics from a cluster wide perspective. +The API returns basic index metrics (shard numbers, store size, memory usage) and +information about the current nodes that form the cluster (number, roles, os, jvm +versions, memory usage, cpu and installed plugins). + +[source,js] +-------------------------------------------------- +curl -XGET 'http://localhost:9200/_cluster/stats?human' +-------------------------------------------------- + +Will return, for example: +[source,js] +-------------------------------------------------- +{ + "cluster_name": "elasticsearch", + "status": "green", + "indices": { + "count": 3, + "shards": { + "total": 35, + "primaries": 15, + "replication": 1.333333333333333, + "index": { + "shards": { + "min": 10, + "max": 15, + "avg": 11.66666666666666 + }, + "primaries": { + "min": 5, + "max": 5, + "avg": 5 + }, + "replication": { + "min": 1, + "max": 2, + "avg": 1.3333333333333333 + } + } + }, + "docs": { + "count": 2, + "deleted": 0 + }, + "store": { + "size": "5.6kb", + "size_in_bytes": 5770, + "throttle_time": "0s", + "throttle_time_in_millis": 0 + }, + "fielddata": { + "memory_size": "0b", + "memory_size_in_bytes": 0, + "evictions": 0 + }, + "filter_cache": { + "memory_size": "0b", + "memory_size_in_bytes": 0, + "evictions": 0 + }, + "id_cache": { + "memory_size": "0b", + "memory_size_in_bytes": 0 + }, + "completion": { + "size": "0b", + "size_in_bytes": 0 + }, + "segments": { + "count": 2 + } + }, + "nodes": { + "count": { + "total": 2, + "master_only": 0, + "data_only": 0, + "master_data": 2, + "client": 0 + }, + "versions": [ + "0.90.8" + ], + "os": { + "available_processors": 4, + "mem": { + "total": "8gb", + "total_in_bytes": 8589934592 + }, + "cpu": [ + { + "vendor": "Intel", + "model": "MacBookAir5,2", + "mhz": 2000, + "total_cores": 4, + "total_sockets": 4, + "cores_per_socket": 16, + "cache_size": "256b", + "cache_size_in_bytes": 256, + "count": 1 + } + ] + }, + "process": { + "cpu": { + "percent": 3 + }, + "open_file_descriptors": { + "min": 200, + "max": 346, + "avg": 273 + } + }, + "jvm": { + "max_uptime": "24s", + "max_uptime_in_millis": 24054, + "version": [ + { + "version": "1.6.0_45", + "vm_name": "Java HotSpot(TM) 64-Bit Server VM", + "vm_version": "20.45-b01-451", + "vm_vendor": "Apple Inc.", + "count": 2 + } + ], + "mem": { + "heap_used": "38.3mb", + "heap_used_in_bytes": 40237120, + "heap_max": "1.9gb", + "heap_max_in_bytes": 2130051072 + }, + "threads": 89 + }, + "fs": + { + "total": "232.9gb", + "total_in_bytes": 250140434432, + "free": "31.3gb", + "free_in_bytes": 33705881600, + "available": "31.1gb", + "available_in_bytes": 33443737600, + "disk_reads": 21202753, + "disk_writes": 27028840, + "disk_io_op": 48231593, + "disk_read_size": "528gb", + "disk_read_size_in_bytes": 566980806656, + "disk_write_size": "617.9gb", + "disk_write_size_in_bytes": 663525366784, + "disk_io_size": "1145.9gb", + "disk_io_size_in_bytes": 1230506173440 + }, + "plugins": [ + // all plugins installed on nodes + { + "name": "inquisitor", + "description": "", + "url": "/_plugin/inquisitor/", + "jvm": false, + "site": true + } + ] + } +} +-------------------------------------------------- + |