Database Reference
In-Depth Information
Lock
type
identifier Description Acquired for
Read lock Processing to read metadata.
2
Write lock Processing to write data after it is read from relational
sources.
4
Commit
shared
During the processing, restore or synchronization com-
mands.
8
Commit ex-
clusive
Committing the processing, restore, or synchronization
transaction when existing files are replaced by new files.
16
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