Facebook, Inc.

Dylan Nugent

Kannan Muthukkaruppan

Karthik Ranganathan

Jiakai Liu

Rahul Narayan Iyer

Ruifang Ge

Anshuman Singh

The disclosed techniques provide systems and methods for deletion of end-user messages, message threads, attachments, and/or other message information. More specifically, a key-value store residing in computer memory on the storage system is described. Each value in the key-value store is indexed by a key and structured to include multiple column portions associated with multiple column families. In one embodiment, a deletion column family having an associated retention policy for data stored therein is defined.

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Chicago, IL, United States of America

Dylan Nugent