EC2 Process Signal / OOM Killer Diagnostic Troubleshooter
Use the interactive troubleshooter below to identify your EC2 process signal or OOM killer symptom, review the raw evidence, understand the root cause, and apply the recommended fix.
🚨 Step 1: What specific error symptom are you experiencing?
Please click the most accurate description:
Quick Reference Table
| # | Scenario | Key Error Signal | Root Cause | The Fix |
|---|---|---|---|---|
| 1 | Killed process — OOM killer terminating httpd and php-cgi | [115879.769795] Out of memory: kill process 20273 (httpd) score 1285879 / Killed process 1917 (php-cgi) | The instance exhausted its available memory, prompting the Linux kernel to invoke the OOM killer to terminate the HTTPD and PHP-CGI processes. | N/A |