Applicable to:
- Plesk Onyx for Linux
Symptoms
-
High CPU load on a server with a great number of domains (a few hundreds) and DNSSEC extension installed.
-
There are a log of the processes like below during Plesk Daily Maintenance task:
CONFIG_TEXT: /usr/local/psa/admin/bin/event_handler -i -u psaadm /usr/local/psa/admin/bin/php -- -f /usr/local/psa/admin/plib/scripts/interface_async_executor.php -- EventListener /usr/local/psa/admin/plib/modules/dnssec/library/EventListener.php handleEvent admin
Cause
This is a DNSSEC extension bug with ID #EXTDNSSEC-57 which will be fixed in future extension updates.
Resolution
As a temporary workaround apply the following hotfix:
-
Connect to the server via SSH
-
Backup the file
/usr/local/psa/admin/plib/modules/dnssec/library/EventListener.php
:# mv /usr/local/psa/admin/plib/modules/dnssec/library/EventListener.php{,.orig}
-
Download the archive with the patched file, unpack it and replace the backed up file with the patched file:
# wget https://plesk.zendesk.com/hc/article_attachments/360044593553/EventListener.tar.gz
# tar -zxvf ./EventListener.tar.gz
# mv ./EventListener.php /usr/local/psa/admin/plib/modules/dnssec/library/
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