February 2017
Intermediate to advanced
526 pages
10h 8m
English
Content preview from Mastering Elastic StackBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Searching and indexing performance
So far we have uncovered some of the best practices in terms of resources. As memory, CPU, I/O, disks, and network play a big part in choosing the preferred set of system configurations; we can tweak a few settings to improve resources usage for searching and indexing in Elasticsearch and Lucene.
Filter cache
By default, the filters used in Elasticsearch for querying are cached, which means when the query uses filter, Elasticsearch finds the documents related to the filter and stores the filter used as cache. After caching, if any query with the same filters are used it will provide quicker results as filters have been cached to memory. As internally it uses memory, it is wise to set a property to limit the usage ...
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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.