in vpxd.cfg:
<log>
<level>verbose</level>
</log>
<trace>
<db>
<verbose>true</verbose>
</db>
</trace>
<maxFileSize>5242880</maxFileSize>
<maxFileNum>100</maxFileNum>
—
If you want to use more verbose logging, use trivia instead of verbose, but it’s a lot of text!