August 2019
Intermediate to advanced
560 pages
13h 41m
English
Content preview from Advanced Elasticsearch 7.0
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New features
The Rollup Search is a new feature in Java high-level REST client. The Rollup APIs were first introduced in X-Pack. Their objective is to store historical data with minimal storage costs so that we can use it for analysis at a later stage. There is a set of APIs at the job level to create, delete, start, stop the Rollup job, and so on. The Rollup create method, putRollupJob, generates a different document structure, but Elasticsearch still allows us to search using the standard query DSL. The functionality of the Rollup APIs is still in the experimental stage. Rollup Search follows the standard search method to construct the SearchRequest object, sends the request by the RollupClient member of the REST client, and then gets the ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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