508 Service Temporary Unavailable Error

The customer is most likely restricted due to high usage. You can diagnose the problem by running:

lveinfo --period=1d --by-fault=mep --display-username

If a user is limited to max entry processes, you will see how many times his site was limited (served 508) within past day (--period=1d). You can also monitor current usage via:

lvetop

Solution:

In most cases, you don't want to do anything, as this customer might overload the system by exhausting all Apache connections or some other resources of the system. Yet, in some cases you might want to increase the limit by doing:

lvectl set USER_ID --maxEntryProcs=NEW_LIMIT --save

The default limit is 20 concurrent connections (max entry processes).

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