ElasticSearch (1) REST API -- ES server itself
http://www.elasticsearch.org/http://elasticsearch-users.115913.n3.nabble.com/
https://groups.google.com/forum/?fromgroups=#!forum/elasticsearch
##### index settings #####
http://ES_HOST_SERVER:9200/INDEX_NAME/_settings
##### pretty format #####
http://ES_HOST_SERVER:9200/153299/_settings?pretty=true
##### index status #####
http://ES_HOST_SERVER:9200/153299/_status?pretty=true
##### cluster settings #####
http://ES_HOST_SERVER:9200/_cluster/settings?pretty=true
##### Cluster Health #####
http://ES_HOST_SERVER:9200/_cluster/health?pretty=true
##### cluster state #####
http://ES_HOST_SERVER:9200/_cluster/state?pretty=true
##### Cluster Update Settings #####
curl -XPUT ES_HOST_SERVEAR:9200/_cluster/settings -d '{
"persistent" : {
"discovery.zen.minimum_master_nodes" : 2
}
}'
##### Node info #####
http://ES_HOST_SERVER:9200/_cluster/nodes?pretty=true
##### local node info #####
http://ES_HOST_SERVER:9200/_cluster/nodes/_local
##### node address #####
http://ES_HOST_SERVER:9200/_cluster/nodes/10.49.216.121
##### node name #####
http://ES_HOST_SERVER:9200/_cluster/nodes/Eternity
##### Nodes Shutdown #####
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_cluster/nodes/_local/_shutdown'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_cluster/nodes/nodeId1,nodeId2/_shutdown'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_cluster/nodes/_master/_shutdown'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_shutdown'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_cluster/nodes/_shutdown'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_cluster/nodes/_all/_shutdown'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_cluster/nodes/_local/_shutdown?delay=10s'
The shutdown API can be disabled by setting action.disable_shutdown in the node configuration.
##### Nodes restart #####
curl -XPOST 'http://0.42.108.201:9200/_cluster/nodes/_restart'
Node can be restated only if the wrapper service is setup.
##### Cluster Nodes hot_threads #####
http://ES_HOST_SERVER:9200/_nodes/hot_threads?pretty=true
##### mapping #####
##### get index mapping #####
http://ES_HOST_SERVER:9200/153299/_mapping
host:port/{index}/{type}/_mapping
where both {index} and {type} can stand for comma-separated list of names. To get mappings for all indices you can use _all for {index}. The following are some examples:
http://ES_HOST_SERVEAR:9200/INDEX_NAME,kimchy/_mapping
http://ES_HOST_SERVEAR:9200/_all/tweet,book/_mapping
http://ES_HOST_SERVER:9200/_all/_mapping
http://ES_HOST_SERVER:9200/_mapping
##### optimize #####
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/kimchy,elasticsearch/_optimize'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_optimize'
##### flush index #####
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/kimchy,elasticsearch/_flush'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_flush'
##### Gateway Snapshot #####
Note, this API only applies when using shared storage gateway implementation,
and does not apply when using the (default) local gateway
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/kimchy,elasticsearch/_gateway/snapshot'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_gateway/snapshot'
##### Indices Update Settings #####
##### Indices Stats #####
http://ES_HOST_SERVER:9200/_stats?pretty=true
By default, docs, store, and indexing, get, and search stats are returned, other stats can be enabled as well:
docs: The number of docs / deleted docs (docs not yet merged out). Note, affected by refreshing the index.
store: The size of the index.
indexing: Indexing statistics, can be combined with a comma separated list of types to provide document type level stats.
get: Get statistics, including missing stats.
search: Search statistics, including custom grouping using the groups parameter (search operations can be associated with one or more groups).
merge: merge stats.
flush: flush stats.
refresh: refresh stats.
clear: Clears all the flags (first).
Here are some samples:
# Get back stats for merge and refresh on top of the defaults
curl 'ES_HOST_SERVEAR:9200/_stats?merge=true&refresh=true'
# Get back stats just for flush
curl 'ES_HOST_SERVEAR:9200/_stats?clear=true&flush=true'
# Get back stats for type1 and type2 documents for the my_index index
curl 'ES_HOST_SERVEAR:9200/my_index/_stats?clear=true&indexing=true&types=type1,type2
##### Translog #####
Each shard has a transaction log or write ahead log associated with it. It allows to guarantee that when an index/delete operation occurs, it is applied atomically, while not “committing” the internal lucene index for each request. A flush (“commit”) still happens based on several parameters:
SettingDescription
index.translog.flush_threshold_opsAfter how many operations to flush. Defaults to 5000.
index.translog.flush_threshold_sizeOnce the translog hits this size, a flush will happen. Defaults to 500mb.
index.translog.flush_threshold_periodThe period with no flush happening to force a flush. Defaults to 60m.
##### Indices Segments #####
curl -XGET 'http://ES_HOST_SERVEAR:9200/INDEX_NAME/_segments'
curl -XGET 'http://ES_HOST_SERVEAR:9200/INDEX_NAME1,INDEX_NAME2/_segments'
curl -XGET 'http://ES_HOST_SERVER:9200/_segments?pretty=true'
##### clear catche #####
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/INDEX_NAME/_cache/clear'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/INDEX_NAME1,INDEX_NAME2/_cache/clear'
$ curl -XPOST 'http://ES_HOST_SERVEAR:9200/_cache/clear'
The API, by default, will clear all cached. Specific caches can be cleaned explicitly by setting filter, field_data or bloom to true.
##### Indices Exists #####
curl -XHEAD 'http://ES_HOST_SERVEAR:9200/INDEX_NAME'
##### Types Exists #####
curl -XHEAD 'http://ES_HOST_SERVEAR:9200/INDEX_NAME/INDEX_TYPE'
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