W-CWA-34
Message
Skipping points due to timeshift. Since the Exasol database stores the logs with dates in the DBTIMEZONE there are ambiguous logs during the timeshift.
Mitigation
The only thing you can do is to change your DBTIMEZONE to UTC.
Source
src/main/java/com/exasol/cloudwatch/exasolmetrics/ExasolBackupDurationReader.java:48