Root cause identified: if ec2-api-metadata and nova-api are using the same memcached server, then the metadata entries will get mixed up, since the same cache entry keys are used by both.
Proposed solution: change key prefix of ec2-api entries to avoid overlap.
Root cause identified: if ec2-api-metadata and nova-api are using the same memcached server, then the metadata entries will get mixed up, since the same cache entry keys are used by both.
Proposed solution: change key prefix of ec2-api entries to avoid overlap.