Difference between revisions of "Elasticsearch Reference Card"
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Line 31: | Line 31: | ||
} | } | ||
}' | }' | ||
+ | </pre> | ||
+ | |||
+ | * list all docs in an index | ||
+ | curl -X GET 'http://localhost:9200/elasticsearch_query_examples/_search' | ||
+ | |||
+ | =SHRADS= | ||
+ | * move shards from one node to another | ||
+ | <pre> | ||
+ | curl -XPOST 'http://localhost:9200/_cluster/reroute' -d '{ | ||
+ | "commands" : [ | ||
+ | { | ||
+ | "move" : | ||
+ | { | ||
+ | "index" : "indexname", "shard" : 1, | ||
+ | "from_node" : "nodename", "to_node" : "nodename" | ||
+ | } | ||
+ | } | ||
+ | ] | ||
+ | }';echo | ||
+ | </pre> | ||
+ | |||
+ | * force the allocation of an unassigned shard with a reason | ||
+ | <pre> | ||
+ | curl -XPOST 'http://localhost:9200/_cluster/reroute?explain' -d '{ | ||
+ | "commands" : [ { | ||
+ | "allocate" : { | ||
+ | "index" : "indexname", "shard" : 0, "node" : "nodename" | ||
+ | } | ||
+ | } ] | ||
+ | }';echo | ||
</pre> | </pre> | ||
[[Category:Elastic]] | [[Category:Elastic]] |
Revision as of 06:43, 6 November 2021
Contents
1 OVERVIEW
- get version and details
curl -XGET 'http://localhost:9200'
2 CLUSTER AND NODE
curl 'http://localhost:9200/_cluster/health?pretty' curl 'http://localhost:9200/_cluster/health?wait_for_status=yellow&timeout=50s&pretty' curl 'http://localhost:9200/_cluster/state?pretty' curl 'http://localhost:9200/_cluster/stats?human&pretty' curl 'http://localhost:9200/_cluster/pending_tasks?pretty' curl 'http://localhost:9200/_nodes?pretty' curl 'http://localhost:9200/_nodes/stats?pretty' curl 'http://localhost:9200/_nodes/nodeId1,nodeId2/stats?pretty'
- full settings
curl 'http://localhost:9200/_cluster/settings?include_defaults=true&flat_settings=true&pretty'
3 INDICES
- list
curl -X GET 'http://localhost:9200/_cat/indices?v'
- delete
curl -X DELETE 'http://localhost:9200/examples'
- back up
curl -XPOST --header 'Content-Type: application/json' http://localhost:9200/_reindex -d '{ "source": { "index1": "someexamples" }, "dest": { "index2": "someexamples_copy" } }'
- list all docs in an index
curl -X GET 'http://localhost:9200/elasticsearch_query_examples/_search'
4 SHRADS
- move shards from one node to another
curl -XPOST 'http://localhost:9200/_cluster/reroute' -d '{ "commands" : [ { "move" : { "index" : "indexname", "shard" : 1, "from_node" : "nodename", "to_node" : "nodename" } } ] }';echo
- force the allocation of an unassigned shard with a reason
curl -XPOST 'http://localhost:9200/_cluster/reroute?explain' -d '{ "commands" : [ { "allocate" : { "index" : "indexname", "shard" : 0, "node" : "nodename" } } ] }';echo