Patent ID: 11893257
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. A computer program product comprising a computer readable storage medium having program instructions embodied therewith, wherein said program instructions being executable by a device to cause said device to perform a function comprising:
obtaining a plurality of transaction logs in blocks from a plurality of nodes of a data storage system, wherein said plurality of transaction logs include a first transaction log and a second transaction log;
for each of said plurality of transaction logs:
splitting said transaction log into log entries;
grouping said log entries into groups, said log entries in each of said groups being associated with a same data source; and
writing said log entries of said groups to empty blocks, wherein log entries from different groups do not share a same block;

identifying a same sequence of log entries from a written first transaction log and a written second transaction log; and
uploading one or more first blocks of said first transaction log that include said same sequence of log entries to an object-based storage, without uploading one or more second blocks of said second transaction log that include said same sequence of log entries to said object-based storage.