August 2019
Intermediate to advanced
560 pages
13h 41m
English
Content preview from Advanced Elasticsearch 7.0
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Indices stats
It is useful to see statistics from the indices stats API, _stats. You can get an answer such as the number of search requests in terms of the specific index received, the total time to fetch documents in that index, or identify the hot indices inside your cluster. Let's take a look at cf_view. As shown in the response body of the following screenshot, the result reports two aggregations, which are primaries and total:
The primaries field reports aggregation in the scope of the primary shards, while the total field is the cumulative values in both shard types. Since we have only indexed two documents in cf_view, primaries.docs.count ...
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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.