Data Consistency, Recovery, and Migration 4-23
Blobspace Logging
Figure4-2
OnLine logs
blobspace
operations in three
steps.
OnLine
shared
memory OnLine disk
Blobspace
Privateportion
of virtual
address space
Pipe
1
3
2
Application process
Temporary blob buffer
Temporary blob buffer
OnLine disk
OnLine logical log backup
Database server process