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Logs are one of those things that a lot of people take for granted. Every software, device and application generates its own logs, and they are often overlooked until something happens and someone needs to dig into the logs to try to discover a root cause of the issue. Companies that treat logs in this way are missing out on an opportunity to improve their business.
Logs have an interesting property that makes them quite valuable: they are the only common thread across a company's entire technology stack. It doesn't matter if it's network devices, security devices, operating systems or applications—all generate logs. Because of that, and with the proper tools, it's possible to look end-to-end in the infrastructure and the application stack using logs. The result is the ability to see what is happening from node to node, and from process to process.
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