Pid 13117:tid 139844062948992] AH03490: scoreboard is full, not at MaxRequestWorkers.Increase ServerLimit

Keywords: Moodle - Google Cloud Platform - Technical issue - Other
Description:
[mpm_event:error] [pid 13117:tid 139844062948992] AH03490: scoreboard is full, not at MaxRequestWorkers.Increase ServerLimit.

actual configuration:
ServerLimit 8
StartServers 3
MinSpareThreads 192
MaxSpareThreads 384
ThreadsPerChild 64
MaxRequestWorkers 512
MaxConnectionsPerChild 5000

ID a4469d38-20d5-7fc5-ff5f-1bad13b8e28d

Hi @jose_javier98,

It seems your instance is receiving more requests than the expected ones

-----------------------------------
Check performance issues: Count number of requests for the 10 most active IP addresses in the last 100.000 requests
-----------------------------------
Running: tail -n 100000 access_log | awk '{print $1}' | sort | uniq -c | sort -nr | head -n 10 | awk '{print $1}'
In: /opt/bitnami/apache2/logs/

Output:

3791
3588
2909                                                                                                                                                                                                                                                          2608
2596                                                                                                                                                                                                                                                          2403
2380
2314
2233
1802

Can you take a look at our guide where we explain how to check if a bot or an attacker is requesting your site with malicious intentions?

https://docs.bitnami.com/google/apps/moodle/troubleshooting/deny-connections-bots-apache/

Happy to help!


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