Hello Tom, Thanks for the feedback. I am pleased that you got such a nice improvement in performance. From the numbers you cite, it doesn't seem likely you will need any of the other ideas for possible performance improvements :-)
Best regards, Kern On 04/21/2017 10:02 AM, Tom Yates wrote: > On Thu, 13 Apr 2017, Tom Yates wrote: > >> On Wed, 12 Apr 2017, Martin Simmons wrote: >> >>> Does that file tree have a lot of hard links (I think the add command only >>> makes those queries for hard links)? If so, then using Bacula 7 might help >>> (see "restore optimizespeed" in >>> http://www.bacula.org/downloads/Bacula-7.4.0/ReleaseNotes). >> That might well be it. "find . -type f -links +1" says that, of the ten >> million or so files in that tree, around a million have more than one >> hard link (some have several hundred, don't ask me why). >> >> If the client will permit it, I'll investigate "restore optimizespeed" and >> report back. Thank you! > So it turns out that going to 7.4.7 was enough. The FD clients all stayed > on CentOS 6's 5.0.0, and seem to be fine (though testing continues). > "optimizespeed=true" seems to be the default in 7.x; in the first test the > upgrade cut the time for the "add home" phase from twenty-some HOURS to > about eight SECONDS. We have made no further changes, though we > gratefully note Kern's list of other improvements we could make if things > start to drag again. > > Thanks to all, but especially Martin and Kern, for help with this. > Bacula's back on the menu! > > > Tom Yates > Cambridge, UK. > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Bacula-users mailing list > Bacula-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bacula-users > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users