Elasticsearch

curl -X GET "http://localhost:9200/_search?pretty" -u <username_and_password: elastic:pass123>

curl -X GET "http://localhost:9200/<index_name>/<_search or _count>?pretty" -H 'Content-Type: application/json' -d '{
  "from": <offset: 5>,
  "size": <limit: 20>,
  "_source": ["<field_1>", "<field_2>"],
  "query": {
    "bool": {
      "must": {
        "match": {"<field>": "<value>"}
      }
    }
  },
  "runtime_mappings": {
    "<custom_field>": {
      "type": "<field_type_in_java_format: double>",
      "script": {
        "source": "emit(doc[\"<another_field>\"].value * 2)"
      }
    }
  },
  "sort": [
    {"<field1>": "asc"},
    {"<field2>": "asc"}
  ]
}'

curl -X GET "http://localhost:9200/<index_name>/_search?pretty" -H 'Content-Type: application/json' -d '{
  "size": 0,  # will only return aggregate results
  "aggs": {
    "<agg_name_1>": {"avg": {"field": "<field>"}},
    "<agg_name_2>": {
      "filter": {"match": {"<field>": "<value>"}},
      "aggs": {
        "<nested_agg_name_1>": {"avg": {"field": "<field>"}}
      }
    }
  }
}'

curl -X POST "http://localhost:9200/<index_name>/_doc?pretty" -H 'Content-Type: application/json' -d '{
  "<field>": "<value>"
}'

# fully replace
curl -X PUT "http://localhost:9200/<index_name>/_doc/<_id>?pretty" -H 'Content-Type: application/json' -d '{
  "<field>": "<value>"
}'

# return document and its related data
curl -X GET "http://localhost:9200/<index_name>/_doc/<_id>?pretty"

# return document only
curl -X GET "http://localhost:9200/<index_name>/_source/<_id>?pretty"

curl -X DELETE "http://localhost:9200/<index_name>/_doc/<_id>?pretty"

# Tip: Because this format uses literal `\n`'s as delimiters, make sure that the JSON actions and sources are not pretty printed

curl -X POST "http://localhost:9200/<index_name>/_bulk?pretty" -H 'Content-Type: application/json' -d '
{"index": {"_id": "<document_id>"}}
{"<field>": "<value>"}
{"delete": {"_id": "<document_id>"}}
{"create": {"_id": "<document_id>"}}
{"<field>": "<value>"}
{"update": {"_id": "<document_id>"}}
{"doc": {"<field>": "<value>"}}
'

curl -X GET "http://localhost:9200/_aliases?pretty"

curl -X GET "http://localhost:9200/_cat/indices?v&h=index,store.size"

curl -X PUT "http://localhost:9200/<index_name>?pretty"

curl -X PUT "http://localhost:9200/<index_name>?pretty" -H 'Content-Type: application/json' -d '{
  "mappings": {
    "dynamic": "<dynamic_type: strict>",
    "properties": {
      "<field>": {
        "type": "<data_type>"
      }
    }
  }
}'

# Tip: The `remove` action will remove this alias from other indices

curl -X POST "http://localhost:9200/_aliases?pretty" -H 'Content-Type: application/json' -d'{
  "actions": [
    {
      "remove": {
        "index": "*",
        "alias": "<alias_name>"
      }
    },
    {
      "add": {
        "index": "<index_name>",
        "alias": "<alias_name>"
      }
    }
  ]
}'

# One index
curl -X DELETE "http://localhost:9200/<index_name>?pretty"

# Multiple indices
curl -X DELETE "http://localhost:9200/<index1>,<index2>,<index3>?pretty"

# All (it needs: `action.destructive_requires_name=false`)
curl -X DELETE "http://localhost:9200/*?pretty"

# Make the source index readonly
curl -X PUT "http://localhost:9200/<source_index_name>/_settings?pretty" -H 'Content-Type: application/json' -d'
{
  "settings": {"index.blocks.write": true}
}'

# Clone
curl -X POST "http://localhost:9200/<source_index_name>/_clone/<destination_index_name>?pretty"

# Make the source index write able
curl -X PUT "http://localhost:9200/<source_index_name>/_settings?pretty" -H 'Content-Type: application/json' -d'
{
  "settings": {"index.blocks.write": false}
}'

curl -X POST "http://localhost:9200/_reindex?pretty" -H 'Content-Type: application/json' -d'{
  "source": {"index": "<source_index_name>"},
  "dest": {"index": "<destination_index_name>"}
}'

curl -X GET "http://localhost:9200/<index_name>/_mapping?pretty"

# Tip: We can't change the mapping or field type of an existing field. Changing an existing field could invalidate data that's already indexed

curl -X PUT "http://localhost:9200/<index_name>/_mapping?pretty" -H 'Content-Type: application/json' -d '{
  "dynamic": "<dynamic_type: strict>",
  "properties": {
    "<field>": {
      "type": "<data_type>"
    }
  }
}'

curl -X GET "http://localhost:9200/_cat/nodes?v&h=name,disk.total,disk.used,disk.avail"