Hi,

I was looking at the output of htop today and noticed that the bacula-fd
process, although entirely idle was the highest memory process on the
server.

The output was:

  PID USER     PRI  NI  VIRT   RES   SHR S CPU% MEM%   TIME+  Command
 3949 root      20   0  219M 63296   936 S  0.0  1.5  0:01.61 
/usr/sbin/bacula-fd -c /etc/bacula/bacula-fd.conf
 3952 root      20   0  219M 63296   936 S  0.0  1.5  0:00.81 
/usr/sbin/bacula-fd -c /etc/bacula/bacula-fd.conf

I stopped the file daemon, started it again and its memory usage fell quite
dramatically.  Initially it looked like this:

  PID USER     PRI  NI  VIRT   RES   SHR S CPU% MEM%   TIME+  Command
12768 root      20   0 66512  1616   632 S  0.0  0.0  0:00.00 
/usr/sbin/bacula-fd -c /etc/bacula/bacula-fd.conf
12769 root      20   0 66512  1616   632 S  0.0  0.0  0:00.00 
/usr/sbin/bacula-fd -c /etc/bacula/bacula-fd.conf

Some minutes later:

  PID USER     PRI  NI  VIRT   RES   SHR S CPU% MEM%   TIME+  Command
12768 root      20   0 74708  1856   860 S  0.0  0.0  0:00.01 
/usr/sbin/bacula-fd -c /etc/bacula/bacula-fd.conf                               
       
12769 root      20   0 74708  1856   860 S  0.0  0.0  0:00.00 
/usr/sbin/bacula-fd -c /etc/bacula/bacula-fd.conf

where it seems pretty stable.

The server (and therefore bacula-fd process) had been up a couple of weeks and
has daily incrementals, weekly differentials and monthly full backups scheduled
with the accurate option on and compression and encryption off.  A full backup
is just shy of 500GB.  The FD listens on both IPv4 and IPv6 and the backups
generally happen over IPv6.

Any thoughts?

Gavin



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