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This performance investigations were reported by George Mills on nbusers: I did some timing with straight command line vss. I checked out about 20 small .java files. Using command line it took about 17 seconds (similar for Source Safe Explorer). Using netbeans it took 2 min 45 seconds or so (and missed updating the status on several nodes). I think NetBeans is doing a diff on each file which is where the cost is. VSS trusts the date of the file if the file is locked. If the file is locked and the date matches VSS does not transfer the file and just unlocks it. It seems, that the problem is in the refresh command, that is executed automatically after the checkout. There can be two optimalizations: 1) checkout can set all checked out files as [Current]. The subsequent refresh would not be necessary then, or at least does not have to do the diff. 2) The refresh of files should compare the file date stamps. If they match, it does not have to do the diff.
Is this performance issue addressed in Sierra?
No, it's not. The issue is still "NEW" => it's not solved yet.
Scheduling for promotion D. We have to do some optimizations in this area into the next release.
A more efficient recursive refresh is implemented in trunk. In most cases the status data can be retrieved from two recursive commands, which should improve the performance considerably. /cvs/vcsgeneric/profiles/vss/src/org/netbeans/modules/vcs/profiles/vss/config/vss.xml,v <-- vss.xml new revision: 1.26; previous revision: 1.25 /cvs/vcsgeneric/profiles/vss/src/org/netbeans/modules/vcs/profiles/vss/config/vssLoc_XX.xml,v <-- vssLoc_XX.xml new revision: 1.20; previous revision: 1.19 /cvs/vcsgeneric/profiles/vss/src/org/netbeans/modules/vcs/profiles/vss/list/Bundle.properties,v <-- Bundle.properties new revision: 1.2; previous revision: 1.1 /cvs/vcsgeneric/profiles/vss/src/org/netbeans/modules/vcs/profiles/vss/list/VssListCommand.java,v <-- VssListCommand.java new revision: 1.7; previous revision: 1.6 /cvs/vcsgeneric/profiles/vss/src/org/netbeans/modules/vcs/profiles/vss/list/VssListFileCommand.java,v <-- VssListFileCommand.java new revision: 1.9; previous revision: 1.8 RCS file: /cvs/vcsgeneric/profiles/vss/src/org/netbeans/modules/vcs/profiles/vss/list/VssListRecursive.java,v <-- VssListRecursive.java initial revision: 1.1 Removing list/VssListCommandLocalized.java; /cvs/vcsgeneric/profiles/vss/src/org/netbeans/modules/vcs/profiles/vss/list/VssListCommandLocalized.java,v <-- VssListCommandLocalized.java new revision: delete; previous revision: 1.6