Patent ID: 11868256
Assignee: EMC IP HOLDING COMPANY LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 1:
2. The computer-implemented method of claim 1, further comprising:
receiving a read request to read first metadata from a first entry of a first metadata page;
determining whether the first metadata page is included in a cache;
responsive to determining the first metadata page is included in the cache, obtaining the first metadata from a cached copy of the first metadata page included in the cache and returning the first metadata;
responsive to determining the first metadata page is not included in the cache, determining whether the first metadata is included in the metadata log of metadata changes stored in a volatile memory; and
responsive to determining the first metadata is included in the metadata log of metadata changes stored in the volatile memory, obtaining the first metadata from the metadata log and returning the first metadata.