Divide your depots - Perforce

Perfsplit• Perfsplit• Only tool available• Easy to use• Point and shoot• Supported by Perforce*3

Perfsplit problems• Needs p4 snap• Increases file structure size• Involves downtime• Duplicate depot name• Copies files4

Work-Around (overview)• Lock RW access• Harvest lazy integration records• Use a replica• Bypass archive copy phase• Rename depot5

Work-Around – harvest records• Integration history• Include lbr file in split map• Example –• @pv@ 1 @db.rev@ @//depot/path/to/a/file.ext@ 1 65539 0 230490998495368 971118380 2D09407262535D83FF9155694E37E0341916928 0 0 @//depot/path/to/a/file.ext@ @1.1@ 65539• zgrep \@db.rev\@ /path/to/checkpoints.gz | grep //depot/path/to/split/ |awk '{print $15}' | grep -v path/to/split >> splitmap.lis6

Work-Around – bypass cp• Bypass archive copy phase• Nodoc option: “-a” flag7

Work Around – rename depot• Checkpoint new instance• Rename db.rev entries• Replay• Create new depot name on new instance8

Completion• Use modified process with Perfsplit to addressovergrown depot• Minimize downtime• Perfsplit = more desirable tool (large install)9