logging fluentd logstash architecture
Logs are a critical part of any system, they give you insight into what a system is doing as well what happened. Virtually every process running on a system generates logs in some form or another. Usually, these logs are written to files on local disks. When your system grows to multiple hosts, managing the logs and accessing them can get complicated. Searching for a particular error across hundreds of log files on hundreds of servers is difficult without good tools. A common approach to this problem is to setup a centralized logging solution so that multiple logs can be aggregated in a central location.
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