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Document PHP-FPM max_children warning #1180

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13 changes: 13 additions & 0 deletions docs/dashboard/logs.md
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Expand Up @@ -16,6 +16,19 @@ The date range can be specified for all logs types. Some log types will also sup

![Screenshot of a logs filter being applied](../assets/logs-with-filter.png)

## Common PHP-FPM warnings

You may occasionally see PHP-FPM warnings similar to the following in the PHP error logs:

```text
server reached pm.max_children setting, consider raising it
```

This warning is expected on Altis Cloud and does not indicate that your application needs a PHP-FPM configuration change.
Altis Cloud manages request capacity by automatically scaling web containers horizontally, rather than by increasing the number of
PHP-FPM workers within a single container. In most cases, this log entry can be ignored unless it correlates with user-visible
performance issues or other application errors.

## Log Delivery

Log delivery to CloudWatch can be switched off, however this is not recommended as logs will not be available in the Altis
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