Open source tools like Elastic are often perceived as free but carry significant hidden costs. Even mid‑sized deployments demand substantial capital investment in compute and storage infrastructure, along with extensive operational effort to manage both the environment and the Elastic stack. Organizations considering a build‑it‑yourself approach must understand that proper sizing is essential, as search performance can degrade when infrastructure is not optimized. These factors make centralized log management solutions important to evaluate carefully when comparing Elastic, Splunk, and Devo.

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