-----Original Message----- From: Pentapati, Sunil [mailto:spentapati at rsasecurity.com] Sent: Monday, May 17, 2004 1:49 PM To: Robert MacMunn; Davidson, Giles; Rene R. Medellin; Paula Ward; perforce-user at perforce.com Subject: RE: [p4] Perforce Evaluation

I disagree with the fact that sync is a bottleneck with perforce builds compared to ClearCase. For clearcase TAS is a very big bottleneck. The build times increased 5 fold especially with the cobination below. There are several whitepapers discussing this and numerous RFE's submitted to Rational.

-Dynamic Views, TAS, Ant/Java build environment on a Windows box.

One of the problems identified is over-the-wire CIFS/SMB calls of type QUERY_FILE_INFORMATION.(220,000 calls observed in the build environment which was reviewed in tandom with rational)

To overcome these issues many companies had to go the NFS route and the build times dropped significantly, but which inturn has its own security problems combined with Windows.

-Sunil -----Original Message----- From: perforce-user-admin at perforce.com [mailto:perforce-user-admin at perforce.com]On Behalf Of Robert MacMunn Sent: Monday, May 17, 2004 1:19 PM To: Davidson, Giles; Rene R. Medellin; Paula Ward; perforce-user at perforce.com Subject: RE: [p4] Perforce Evaluation With Clearcase there is no user admin. I agree that the developers complain less. The release engineers complain more because Perforce adds to the build times because of the sync.

-----Original Message----- From: Davidson, Giles [mailto:gdavidson at informatica.com] Sent: Monday, May 17, 2004 1:14 PM To: Robert MacMunn; Rene R. Medellin; Paula Ward; perforce-user at perforce.com Subject: RE: [p4] Perforce Evaluation

I'm not sure that I agree - I support around 50 users and after the initial load of the code from the previous system and preparing the users I have spent hardly any time on support for Perforce (probably a less than 5% of my time). User admin is a trivial problem (here at least).

Most importantly the developers like it so they don't try to work against it or around it or moan about it.

Giles. -----Original Message----- From: Robert MacMunn [mailto:RobertMacMunn at crd.com] Sent: 17 May 2004 17:10 To: Rene R. Medellin; Paula Ward; perforce-user at perforce.com Subject: RE: [p4] Perforce Evaluation We are looking to move to Perforce from Clearcase.

Replying to what you said :

" ClearCase's learning curve isn't so much "long" as it is "steep". You will definitely need a dedicated ClearCase "Administrator" (i.e. to make sure the various services are up, make sure hardware is optimised, etc...)"

I find the same with Perforce. You need to administrate users which you don't have to do with Clearcase. You also need to handle setting up branches in Perforce and help developers. And I find it a pain dealing with optimizing the Linux OS. I also found when I first started with Perforce that the doc didn't have many examples.