p4 graph purge-refhist (graph)
Delete refhist records for a repo.
Syntax
p4 graph purge-refhist -n repo [-B date] [-y]
Description
The command deletes reference history records for a repo. These are for references that are already removed from the ref table.
Options
| -n | The repo name, with the .gitsuffix. For example,//graphdepot1/repoA.git | 
| -B | Limits the deletion of reference history to records prior to the specified date, preserving more recent records. | 
| -y | By default, the command displays a preview of the results. To execute the operation, include the  | 
Usage notes
| Can File Arguments Use Revision Specifier? | Can File Arguments Use Revision Range? | Minimal Access Level Required | 
|---|---|---|
| N/A | N/A | Either repo  | 
Example
See Delete a repo and free the used storage in the Work with Git in P4 Server Administration Documentation.
Related commands
| To delete records of orphaned objects from the object table. | p4 graph gc (graph) | 
| To recompute object refcounts in the object table. | p4 graph recompute-refcnts (graph) |