One of the great things about Logstash is that it is made up of easy to fit together components: Logstash itself, Elasticsearch and the various other pluggable elements of your Logstash configuration. One of the significant fringe benefits of this approach is the ease with which you can scale Logstash and those components.
We're going to scale each of the pieces we introduced and installed in Chapter 3. Those being:
- Elasticsearch - Which is handling search and storage. We're going to add nodes to our Elasticsearch cluster to provide more capacity and redundancy.
- Logstash - Which is consuming and indexing the events. We're going to install an additional indexer instance that provides some redundancy for Logstash. The indexer ...
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