Hi All,
I am having a problem with the Sophos UTM since it reaches 100% usage of cpu utilization.
I checked it on the logs and find out that postgres is eating cpu usage 100%
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you already have swap, but perhaps not enough
see the following link to increase swap space - can help a fair bit in the short term
https://www.sophos.com/de-de/support/knowledgebase/119721.aspx
Also keep the logs off your UTM and only a few days online - anymore than 10days and they drop the postgresql database which has a larger overhead.