Prevent Disk Full Outages With Automated Log Management
Unmanaged log files grow silently until they fill your disk and crash your application. CronJobPro triggers your cleanup endpoints on schedule, keeping log directories lean and your services running smoothly.
Log Files Grow Until They Take Down Your Server
Application logs, access logs, and error logs accumulate relentlessly. Without automated rotation and cleanup, they consume all available disk space — causing application crashes, failed writes, and emergency firefighting.
- ✗A production server ran out of disk space at 3 AM because nobody cleaned up the access logs
- ✗Log rotation scripts on individual servers are inconsistent and frequently misconfigured
- ✗No alerts when disk usage crosses warning thresholds before it becomes critical
- ✗Old log files consume expensive storage when they should have been archived or deleted weeks ago
Scheduled Cleanup That Keeps Your Infrastructure Lean
CronJobPro triggers your log cleanup endpoint on a regular schedule. Your endpoint rotates current logs, compresses archives, and deletes files older than your retention policy — with verification and alerts.
Automatic Retries
If a cleanup job fails because a log file is locked or a disk operation times out, CronJobPro retries automatically before alerting.
Real-Time Monitoring
Track cleanup execution times and disk space metrics over time to spot growing log volumes before they become problems.
Multi-Channel Alerts
If log cleanup fails, your infrastructure team is alerted via Slack and email so they can intervene before disk space runs out.
How to Set It Up
- 1
Create a log cleanup HTTP endpoint
Build an endpoint that rotates active logs, compresses old files, and deletes logs beyond your retention period. Return disk usage stats in the response.
- 2
Schedule the cleanup job in CronJobPro
Set a daily or twice-daily schedule depending on your log volume. High-traffic applications may need cleanup every 6 hours.
- 3
Define your retention policy
Decide how long to keep logs — 7 days for application logs, 30 days for access logs, 90 days for security audit logs. Encode this in your cleanup endpoint.
- 4
Set up disk space alerts as a safety net
In addition to scheduled cleanup, create a monitoring job that checks disk usage every hour and alerts when it crosses 80%.
Recommended Schedules
| Expression | Schedule |
|---|---|
| 0 3 * * * | Daily log cleanup at 3 AM |
| 0 */6 * * * | Cleanup every 6 hours for high-volume apps |
| 0 4 * * 0 | Weekly deep cleanup and compression on Sundays |
Start Automating Now
Set up automated log rotation & cleanup in under 2 minutes. Free forever for up to 5 jobs.
Frequently Asked Questions
How often should I run log cleanup?
It depends on your log volume. Most applications do well with daily cleanup. High-traffic services generating gigabytes of logs per day may need cleanup every 6-12 hours.
Should I compress or delete old logs?
Compress logs within your retention window (they shrink 90%+) and delete anything beyond it. This balances storage costs with the ability to investigate historical issues.
How do I handle log files that are currently being written to?
Use log rotation: rename the current log file, create a new one, and optionally send a signal to the application to reopen its log file descriptor.
Can CronJobPro clean up logs on multiple servers?
Yes. Create a separate cron job for each server's cleanup endpoint. CronJobPro triggers each one independently and tracks results per server.
Related Use Cases
Scheduled Server Maintenance
Server maintenance is critical but repetitive. CronJobPro triggers your maintenance endpoints on schedule — clearing temp files, restarting services, checking disk health — so your infrastructure stays reliable without manual effort.
Automated Database Backups
Scheduled backups are only valuable if they actually complete successfully. CronJobPro triggers your backup endpoint on schedule, verifies the response, and alerts you immediately if anything goes wrong.
Scheduled CI/CD Pipeline Triggers
Some CI/CD workflows need to run on a schedule, not just on code pushes. CronJobPro triggers your build pipelines, staging deployments, and test suites at precisely the right time with full monitoring.