On Mon, Oct 4, 2010 at 1:37 PM, Tim Gustafson <t...@soe.ucsc.edu> wrote: > We have recently installed Bacula onto a FreeBSD server and several Linux, > SunOS and FreeBSD clients. The Bacula director and storage daemon run on a > box with about 6 terabytes of RAID6 storage (SATA 300 drives, 1TB each, > Adaptec RAID controller with 512MB cache). The box has 16GB of RAM and is > not really doing much else right now. We're using mySQL for our database > back-end, and we have MD5 hashing of files turned off ("Accurate = mcs" and > "Verify = mcs" are set in bacula-dir.conf). > > However, we're getting pretty pitiful throughput numbers. When I scp a file > from my workstation to the Bacula server, I get something like 40MB/s > (320Mb/s). When Bacula runs, we're lucky to get 20MB/s (160Mb/s), and we > often get numbers closer to 10MB/s (80Mb/s). > > I Googled "tuning bacula" and came up with primarily stuff related to tuning > Postgres as it relates to Bacula, but nothing about tuning the file daemon or > the storage daemon. Can anyone point me to some leads as far as what I can > do to bump up the throughput? We have a data set that is several terabytes > large to back up, and it will never complete in a reasonable amount of time > at 10MB/s. I need to achieve something closer to 40MB/s to make this a > workable option. >
I would start by turning off software compression and do performance tests with full backups. A second thing to try is to enable attribute spooling so the database does not slow down the backup. This can be useful if you have millions of files. John ------------------------------------------------------------------------------ Virtualization is moving to the mainstream and overtaking non-virtualized environment for deploying applications. Does it make network security easier or more difficult to achieve? Read this whitepaper to separate the two and get a better understanding. http://p.sf.net/sfu/hp-phase2-d2d _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users