UsnLogAllocationDelta

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The UsnLogAllocationDelta entry is the size allocated for the next entry to the USN journal.

Summary
Type: REG_DWORD
Units: Bytes
Default: 1048576 (1 MB)
Range: 1 - 4294967295 (0xFFFFFFFF)

 

Remarks

If, during NTFS file system checkpoints, the journal has grown to its maximum allocation, the number of bytes specified by the value of the UsnLogAllocationDelta entry is removed from the front of the file to make room for more entries.

Catalog, Property, and Scope Registry Entries

Main Registry Entries