Hello,
I have had performance issues with version 1.36 and 1.37.x too.
Setting the FD's "Maximum Network Buffer Size = 65536" (instead of
the default 32k) gave a dramatic speed improvement. Though I don't
know if the default has changed for 1.38.
It might be worth trying.
Greetings,
Uwe
Am 30.10.2005 um 23:39 schrieb Tracy R Reed:
Ok, so over the course of the last few days I think I have got just
about everything figured out. I have a full backup of all three of my
systems safely on DVD, I can restore, it does incrementals
automatically
every night, I am happy.
Except for one thing: The backups are VERY slow. Even the host
local to
the DVD burner is very slow so it cannot be the network even though I
have tested that and it is very fast. It seems to run somewhere
between
100k/s and 1M/s. I do not know why it varies. It seems like perhaps it
gets faster as the backup progresses, I'm not sure. At first I thought
maybe I was somehow running out of disk bandwidth or causing disk
contention since I am backing up from and spooling DVD images to the
same spindle. But I ran some disk benchmarks and watched iostat and
while the backup is running I can get 50MB/s disk throughput. Plus
it's
slow when streaming from other hosts and spooling locally. Also,
the cpu
time is 95% idle during the backup so it isn't cpu contention. So it
would seem that the delay must be coming from somewhere within bacula
itself. A full backup of my system should take just a couple of hours,
not 12!
I am running bacula from CVS as of three or four days ago on an AMD64
running FC4.
Any ideas? Thanks!
--
Tracy R Reed
http://copilotconsulting.com
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