December 2017
Intermediate to advanced
434 pages
10h 29m
English
Content preview from Learning Elastic Stack 6.0
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Automatically deleting older documents
No cluster has infinite capacity to retain data forever. With the volume growing over a period of time, you may decide to only store necessary data in Elasticsearch. Typically, you may want to retain data for the past few weeks, months, or years in Elasticsearch, depending on your use case.
Prior to Elasticsearch 2.x, this was achieved using TTL (Time to Live) set on individual documents. Each document could be configured to remain in the index for a configurable amount of time. But, the TTL feature was deprecated with the 2.x version because of its overheads in maintaining time-to-live on a per-document basis.
We have seen some problems that one might face while dealing with time series data. Now, let's ...
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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.