> Swap: 5116692k total, 2538712k used, 2577980k free, 41932k > cached
You're swapping. 1. Add more RAM 2. Limit your simultaneous backups to 3 or 4. (I regularly back up 97GB of email, 2397691 of files, in ~970 mins). This is on a dual intel xeon w/ 3GB of RAM with no more than 4 simul. backups.) Cheers, Stephen -- Stephen Joyce Systems Administrator P A N I C Physics & Astronomy Department Physics & Astronomy University of North Carolina at Chapel Hill Network Infrastructure voice: (919) 962-7214 and Computing fax: (919) 962-0480 http://www.panic.unc.edu The trouble with doing something right the first time is that nobody appreciates how difficult it was. On Mon, 17 Mar 2008, Bruno Faria wrote: > Hello to everyone, > > Lately for some reason, BackupPC has been running very slow on a server that > we have configured to do backups. Just so that you guys can have an idea of > how slow it really is going, it took BackupPC 10265.2 minutes to backup > 1656103 files totaling to only 24 gigabytes worth of files. Obviously, I > can't really wait a week for a 24 gigbyte backup to be done. Now here's what > makes me think that this problem with BackupPC could be due to server > hardware: I first started started doing backups for one pc at a time, and it > took BackupPC 468.8 minutes to backup 2626069 files or 32 gigabyte worth of > files for that same computer. But now I have about 45 computers added to > BackupPC and sometimes BackupPC is backing up 30 of them or more at the same > time, and that's when the server really goes slow. > > Here's the top command when the BackupPC server is going slow: > top - 19:06:36 up 15 days, 6:11, 3 users, load average: 28.76, 39.03, > 32.14 > Tasks: 156 total, 1 running, 155 sleeping, 0 stopped, 0 zombie > Cpu(s): 3.7% us, 2.2% sy, 0.0% ni, 7.7% id, 86.0% wa, 0.4% hi, 0.0% si > Mem: 1033496k total, 1019896k used, 13600k free, 141720k buffers > Swap: 5116692k total, 2538712k used, 2577980k free, 41932k cached > > Here's the hardware and BackupPC specs: BackupPC is running on server that > has 5 terabytes of disk space, 1 gb of RAM, and a 5 gb swap, with intell > xeon processor. I was using rsync as my backup method, but I switched to tar > to see if that would improve performance. BackupPC is backing up about 45 > servers (all linux). > > So in conclusion, how can I make BackupPC run faster? What's the fastest > backup method, what can I modify on config.pl to make it run faster, etc? Is > not enough RAM what's causing backuppc to run slow? Is there anything on my > hardware that would make it run faster? > > Thank you, and I hope that you guys can help me with speeding up BackupPC! > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ BackupPC-users mailing list [email protected] List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
