[cvsnt] Can cvsnt go faster?

Vanier, Alexandre avanier at jamdat.ca
Wed Nov 16 21:54:41 GMT 2005


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When I bought a new server last winter, I went with 4 HD sata on a raid
1+0 hardware card.  Network card is a 1Gbps connected on a HP switch.
All the workstations of the programmers are connected on a 100Mbps.  All
our cvsnt operation speeded up by 30% compared to our previous (older)
server.  SCSI HD are nice, but I would recommend either a Raid 1+0 or
Raid 5 dedicated card with it.  Don't use Raid 0.. It's at your own
risk! :)

I don't know any software solution for speeding up CVSNT tough.
Hardware is the major issue for CVS performance.

Alex Vanier



-----Original Message-----
From: cvsnt-bounces at cvsnt.org [mailto:cvsnt-bounces at cvsnt.org] On Behalf
Of Dan
Sent: 16 novembre 2005 15:46
To: cvsnt at cvsnt.org cvsnt downloads at march-hare.com @CVSNT on Twitter CVSNT on Facebook
Subject: [cvsnt] Can cvsnt go faster?

Hi, As our repository grows, it's getting slower. The main complaint is
doing an update takes about 4-5 minutes, even when there are no files
updated.

The project is about 15,100 files, 818 megs on the server.

The server info is:
cvsnt version  2.5.03
redhat 9
Pentium 2.8ghz
harddrives 2 Ultra160 SCSI 15K rpm, software raid mirrored.
1 gig of ram


The client machines are WinXP, accessing useing TortoiseCVS with sserver
over 100mbit ethernet. There is very little cpu or hard drive activity
on the clients.

On the server while an update is running it's only useing 2-5% cpu The
Load gets up to about 2.2. The load is normally 0.15 when there is no
cvs activity.

iostat -k 5 shows this pretty consistently for harddrive usage:
Device:            tps    kB_read/s    kB_wrtn/s
dev8-0          158.00        40.00      2538.40
dev8-1          158.00        47.20      2538.40

There's a few other tasks on the machine, but are idle most of the time
and useing very little resources.

If it's any help when we switched from cvs to cvsnt about a year ago we
noticed an immediate drop in speed, that has slowly been getting worse.


I'm wondering why it's writting so much just doing an update, seems like

that'd mostly be reads.

Any ideas on ways to speed cvsnt up a little bit (or a lot)?

Thanks!
Dan
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