Re: [Bacula-users] Fragmentation of restored file

justAck wrote: > Hi, > I still have to learn bacula internals, but urgently need answer for > question regarding fragmentation of restored file(s). > > Perhaps someone did backup of heavily fragmented file (size: ~100G) and then > restored it to clean XFS volume on idle box. > What is more likely:

Re: [Bacula-users] Fragmentation of restored file

Hi again, 13.10.2009 20:35, Arno Lehmann wrote: > Hello, > > 13.10.2009 14:27, justAck wrote: >> Arno, >> >> >> Arno Lehmann wrote: ... >> Maybe some cache is involved, need to test deeper, just wanted feedback >> about possible scenarios. > > See above - I'd try vmstat 1 during a restore and su

Re: [Bacula-users] Fragmentation of restored file

Hello, 13.10.2009 14:27, justAck wrote: > Arno, > > > Arno Lehmann wrote: >> ... >>> a) result file will be most likely not fragmented on disk at all >> This is most likely in the situation you outline. >> ... >> >> The most common reasons for slow restores, in my experience, are >> ... >> > >

Re: [Bacula-users] Fragmentation of restored file

Arno, Arno Lehmann wrote: > > ... >> a) result file will be most likely not fragmented on disk at all > > This is most likely in the situation you outline. > ... > > The most common reasons for slow restores, in my experience, are > ... > Thanks for quick and useful help. I meant file acces

Re: [Bacula-users] Fragmentation of restored file

justAck wrote: > The problem is that copying of restored file is ~20% slower than expected > (than other files), I doubt if bacula may be a reason of this slowdown (e.g. > result of restore is very fragmented). Fragmentation is not a performance problem on Unix-like filesystems. "Sparseness" is (

Re: [Bacula-users] Fragmentation of restored file

Hi, 13.10.2009 10:08, justAck wrote: > Hi, > I still have to learn bacula internals, but urgently need answer for > question regarding fragmentation of restored file(s). > > Perhaps someone did backup of heavily fragmented file (size: ~100G) and then > restored it to clean XFS volume on idle box.

[Bacula-users] Fragmentation of restored file

Hi, I still have to learn bacula internals, but urgently need answer for question regarding fragmentation of restored file(s). Perhaps someone did backup of heavily fragmented file (size: ~100G) and then restored it to clean XFS volume on idle box. What is more likely: a) result file will be most