Status: IN
DAX has two separate caches — item cache (`GetItem`/`BatchGetItem`) and query cache (`Query`/`Scan`) — both with a default TTL of 5 minutes, configured via parameter group settings `record-ttl-millis` and `query-ttl-millis` in milliseconds.
Source: entries/2026/03/11/amazondynamodb-latest-developerguide-DAXcluster-managementhtml.md