| Name | Description | Type | Package | Framework |
| DiskBackedMessageStore | Message store which separates data by partitions, and submits them to underlying message store. | Class | org.apache.giraph.comm.messages.out_of_core | Giraph |
| DiskBackedMessageStoreFactory | Message store factory which persist the messages on the disk. | Class | org.apache.giraph.comm.messages.out_of_core | Giraph |
| PartitionDiskBackedMessageStore | Message storage with in-memory map of messages and with support for flushing all the messages to the disk. | Class | org.apache.giraph.comm.messages.out_of_core | Giraph |
| SequentialFileMessageStore | Used for writing and reading collection of messages to the disk. | Class | org.apache.giraph.comm.messages.out_of_core | Giraph |