in JSON format Index A collection of documents stored in Elasticsearch Type The category of the document within an index { " f r o m " : " t o n y @ s t a r k . c o m " , " t o " : [ " t h o r @ a v e n g e r s . o r g " , " n a t a s h a @ a v e n g e r s . o r g " ] , " s u b j e c t " : " I n f i n i t y S t o n e s " , " b o d y " : " . . . " }
a subset of documents in that index Node A running Elasticsearch process Cluster A collection of nodes that can communicate with each other and share the same c l u s t e r . n a m e
t t e r / t w e e t / 3 1 1 3 3 5 3 6 1 1 6 9 1 9 5 0 0 9 { " m e s s a g e " : " I n s t a r t u p w e a r e p r a c t i c e O u t a g e D r i v e n I n f r a s t r u c t u r e . " , " @ t i m e s t a m p " : " 2 0 1 3 - 0 3 - 1 2 T 0 4 : 3 8 : 2 9 . 0 0 0 Z " }
with Elasticsearch Key features of Elasticsearch Some sample index, search, and aggregations queries Key concepts How clusters work under the hood How indexing and searching work under the hood