Thanks for Radosław Korzeniewski and Luc Van der Veken
I measure the time of Building directory tree on my previous case and it
took only 12seconds.
also check free command when running.
total used free sharedbuffers cached
Mem: 1020300 932360 87940
Many thanks for Heitor Faria(Mr./Ms.) and Randoslaw
Koreniewski(Mr./Ms)
Mysql DB was MyISAM therefore changed to InnoDB.
and also inserted few lines as suggested on http://bacula.us/tuning/
as follows
sort_buffer_size = 2MB
innodb_buffer_pool_size = 128MB
innodb_flush_log_at_trx_comm
I am bigginer of bacula, and I had tried restore on following condition.
|+---+---+--+---+-++
| JobId | Level | JobFiles | JobBytes | StartTime | VolumeName|
+---+---+--+---+-