This functionality has been discussed on the -devel list recently there are plans to implement it. Unfortunately, there is no specific timetable on the subject as of yet. In short, "It's coming...eventually." :-)
Thanks, Chris > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf > Of Alexander Kuehn > Sent: Tuesday, 30 August, 2005 08:03 > To: bacula-users@lists.sourceforge.net > Subject: [Bacula-users] parallel spooling/despooling > > Hi, > > I have a [EMAIL PROTECTED] FreeBSD machine with a DDS3 Streamer > attached to it. The streamer does about 1MB/s, when I use > Bacula I can monitor the machine and streamer usage using > "systat -vm", when I do that I see that nothing is running at > full steam, the streamer does about 0.8 MB/s, the CPU is at > 80% usage, the harddisk is 5-20% usage. Of course this varies > over time, but these values are pretty typical. I was > wondering if I could optimize the usage to minimize the > backup times. I was very happy to see that Bacula supports > spooling at first, but I was kinda set back when I saw that > spooling and despooling is done sequentially not in parallel. > I had already set up a mfs based /tmp (128MB) to have Bacula > spool to RAM (which the machine has plenty of), and CPU usage > was indeed 100% as I had expected. Of course the CPU was > basically unutilized when it came to unspooling the file. > I wonder if it would be difficult to modify Bacula to use two > spool files instead of one, so that: > fd starts collecting files and creating the normal spool file, > as soon as it is ready and signals sd to unspool the file, it > does not wait until sd has finished but continues to collect > files but stores them in a second file, right next to the > normal spool file, > as soon as sd has finished unspooling and fd spooling to the > second file, the second file is renamed to the normal spool > file and fd starts to collect for a new second file... > I think this way the backup time could be significantly > reduced in cases such as this one. > Kind regards, > Alex. > > > ------------------------------------------------------- > SF.Net email is Sponsored by the Better Software Conference & EXPO > September 19-22, 2005 * San Francisco, CA * Development > Lifecycle Practices > Agile & Plan-Driven Development * Managing Projects & Teams * > Testing & QA > Security * Process Improvement & Measurement * > http://www.sqe.com/bsce5sf > _______________________________________________ > Bacula-users mailing list > Bacula-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bacula-users ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
