backu...@kosowsky.org wrote at about 00:29:11 -0500 on Sunday, January 23, 2022: > backu...@kosowsky.org wrote at about 21:53:48 -0500 on Saturday, January 22, > 2022: > > Kenneth Porter wrote at about 18:27:52 -0800 on Saturday, January 22, > 2022: > > > --On Saturday, January 22, 2022 8:55 PM -0500 backu...@kosowsky.org > wrote: > > > > > > > It gets "stuck" at varying places... as IO slows to a complete halt > > > > (based on iftop) until rsync timesout. > > > > Similarly, 'strace' stalls. > > > > > > > > This happens even if I run rsync_bpc from the command line directly, > > > > but it does *not* happen when I use native rsync with the comparable > > > > options. > > > > > > > > Any ideas on how to debug this further? > > > > > > Once it stalls but before the timeout, run ps and lsof to see what > files > > > are open by the rsync_bpc. Maybe run from gdb and force a break at > that > > > point to get a stack dump. > > > > > > > lsof doesn't show any open backup files on the BackupPC server. > > > > The Android host shows that > > '/data/app-lib/com.adobe.reader-10/libAdobeReader.so' is open. > > Not sure why this would cause a problem as it is only 6.6MB. On the > > other hand, it is the largest file that is transferred as the first 25 > > or so files are all < 0.5MB. > > > > I can try to exclude it and see if/where it gets stuck when that file > > is excluded. > > > > Indeed, whenever I exclude a file larger than ~0.5MB, it gets stuck on > the next file larger than ~0.5MB > > Doesn't quite make sense since native rsync works so it would seem to > be something with rsync-bpc...
It's actually not the size of any individual file as I am able to backup large files individually or in small groups. Rather the problem only occurs when there are "many" files with a "large" total size -- though I have not been able to pin down the issue yet. _______________________________________________ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: https://github.com/backuppc/backuppc/wiki Project: https://backuppc.github.io/backuppc/
