What Is Log Rotation?
Log rotation is a system administration practice where log files are periodically renamed, compressed, and archived according to a defined schedule. When a log file reaches a certain size or age, the system creates a new empty log file and archives the old one. Eventually, the oldest archives are deleted to reclaim disk space.
Why Log Rotation Matters
Without log rotation, server logs can grow to tens or hundreds of gigabytes, filling up disk partitions and potentially crashing your server. For SEO professionals, log rotation also affects how much historical data is available for analysis. If logs rotate too aggressively, you may lose valuable crawl data before you can analyze it. If they rotate too slowly, your server may run out of space.
How Log Rotation Works
On Linux systems, logrotate is the standard tool. It is configured via /etc/logrotate.d/ and can rotate logs daily, weekly, or based on file size. Common settings include keeping 30-90 days of compressed archives. For SEO log analysis, ensure your rotation policy retains at least 90 days of data so you can track crawl patterns over time. Tools like LogBeast can import and store log data independently of server rotation.
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