Storing counts as processing under the GDPR; the definition is in article 4. It's not hard to find. > ‘processing’ means any operation or set of operations wh

Storing counts as processing under the GDPR; the definition is in article 4. It's not hard to find. > ‘processing’ means any operation or set of operations which is performed on personal data or on sets of personal data, whether or not by automated means, such as collection, recording, organisation, structuring, storage, adaptation or alteration, retrieval, consultation, use, disclosure by transmission, dissemination or otherwise making available, alignment or combination, restriction, erasure or destruction; https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32016R0679#d1e1489-1-1 https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CEL... One can use the “legitimate interest” basis (recital 49 may be relevant here) or “compliance with a legal obligation” for logging.