---------- Forwarded message ---------- From: John Drescher <[EMAIL PROTECTED]> Date: Aug 23, 2007 5:30 PM Subject: Re: [Bacula-users] Spooling and cincurrent jobs To: Ivan Adzhubey <[EMAIL PROTECTED]>
On 8/23/07, Ivan Adzhubey <[EMAIL PROTECTED]> wrote: > Hi John, > > On Thursday 23 August 2007 03:30:53 pm John Drescher wrote: > > > "When data spooling is enabled, Bacula automatically turns on attribute > > > spooling." > > > > That was just added last week as this is what happens in bacula 2.X and > > above. > > No, the same text is already present in bacula.pdf for version 1.38.11 (rpm > packager: D. Scott Barninger). In fact, none of the tips has changed since > 1.38. > Well at least there was a discussion about improving the wording of that part last week. > I can't see how concurrent tape writes can possibly improve speed when data > spooling to disk is enabled. Since all data are completely spooled to disk > first, prior to engaging tape drives, despooling will be limited either by > disk subsystem speed or tape drive speed (whichever comes the lowest). In > either case the number of jobs despooled concurrently would not play any role > in determining total rate of data transfer. You may be correct. However, I am no expert on the spooling code so I will have to pass on that one. John -- John M. Drescher ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users