December 2023
Intermediate to advanced
592 pages
15h 57m
English
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15 Performance and troubleshooting
This chapter covers
- Understanding the reasons for slow searches and indexing queries
- Tuning and improving the performance of slow queries and indexing
- Troubleshooting unstable clusters
Once the Elasticsearch cluster is ready for production, umpteen things can go wrong, from users complaining about slow searches to unstable nodes, network problems, over-sharding troubles, memory problems, and more. Maintaining the cluster’s health in a GREEN (healthy) state is paramount. Constantly keeping an eye on the cluster’s health and performance is one of the primary jobs of an administrator.
Troubleshooting an unstable cluster requires a good understanding of the inner workings of Elasticsearch, networking concepts, ...
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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.
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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.