August 2019
Intermediate to advanced
560 pages
13h 41m
English
Content preview from Advanced Elasticsearch 7.0
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Performing daily update data
This diagram shows us the task of updating the data for the registered symbols:
The step-by-step instructions are as follows:
- Call the getBaseData() method from the IEXService Spring Bean to extract the up-to-date data of the given symbol.
- Call the getLatestHistoryData() method from the EsDataService Spring Bean to get the latest data from the cf_etf_history_data index.
- If the data in Elasticsearch needs to be updated, then call the anomalyDetection() method from the EsHadoopSparkService Spring Bean to predict the class label. Finally, we update the data into Elasticsearch.
We can update data for a given symbol; ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.