Concept写时复制 / CoW
copy-on-write
Copy-on-write is a resource management optimization strategy in which multiple callers share a single copy of data until one caller attempts to write, at which point a new copy is created.
Timeline (last 90 days)
Oct 1
The storage layer of branch-based restores typically employs copy-on-write or similar mechanisms, establishing a new branch pointing to a specific point-in-time snapshot rather than physically copying all data when restoring a historical state.
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