Re: Garbage entries with intense use

[Howard Chu <hyc@symas.com>]

Note that most tar programs don't understand how to deal with sparse 
files. GNU tar does, but since you've given practically no information 
about the software you're using, there's nothing we can say with certainty.

Rafa wrote:

> The environment was set up by other person, so I can't say much.
> We noticed the problem making backups with tar, and recently I have 
> seen this again. Althoung I deleted some big branches, my tar was some 
> mb bigger than the one I made a week before. And the .tgz file 
> included all the .dbb files in the folder.
>
> Howard Chu wrote:
>
> > Rafa wrote:
> >
> > > I have noticed that when I do massive updates on my OpenLdap my db 
> > > size increases astonishingly, so I have to take an ldif and create 
> > > from scratch periodically. Obvioulsy a garbage-entries problem, but 
> > > seems to be very frequent. I supose it is a db problem, not an ldap 
> > > problem (in that case, it would have been fixed yet ;)). I don't 
> > > know exactly wich db uses my server, but it uses .dbb extensions in 
> > > its files.
> > > Do you know where is the problem exactly? If the cause is in the db 
> > > engine, can you recommend me a better one?
> >
> >
> >
> > You didn't mention the version numbers of anything you're currently 
> > using. The best available DB engine at the moment is Berkeley DB 
> > 4.2.52(+2 patches). Note that database files tend to be sparse, and 
> > generally don't actually use as much disk space as the size in their 
> > directory listing would indicate, so you may be reacting to something 
> > that isn't a real problem.

--
 -- Howard Chu
 Chief Architect, Symas Corp.       Director, Highland Sun
 http://www.symas.com               http://highlandsun.com/hyc
 Symas: Premier OpenSource Development and Support