--- "Timestamp": - do: indices.create: index: test_1 body: mappings: test: _timestamp: enabled: 1 store: yes - do: cluster.health: wait_for_status: yellow # blank timestamp - do: update: index: test_1 type: test id: 1 body: doc: { foo: baz } upsert: { foo: bar } - do: get: index: test_1 type: test id: 1 fields: _timestamp - is_true: fields._timestamp # milliseconds since epoch - do: update: index: test_1 type: test id: 1 body: doc: { foo: baz } upsert: { foo: bar } timestamp: 1372011280000 - do: get: index: test_1 type: test id: 1 fields: _timestamp - match: { fields._timestamp: 1372011280000 } # date format - do: update: index: test_1 type: test id: 1 body: doc: { foo: baz } upsert: { foo: bar } timestamp: 2013-06-23T18:14:40 - do: get: index: test_1 type: test id: 1 fields: _timestamp - match: { fields._timestamp: 1372011280000 }