Re: restricting slapd memory consumption

[Ralf Narozny <rnarozny@web.de>]

Quanah Gibson-Mount schrieb:
> --On April 14, 2008 5:04:24 PM +0200 Ralf Narozny <rnarozny@web.de> 
> wrote:
>
> > > Roughly ... assuming that you are using a decent memory allocator, and
> > > that you have applied the memory leak patches for Berkeley DB (I don't
> > > see that you provide your Berkeley DB version). The glibc memory
> > > allocator is probably going to do quite badly in this specific
> > > scenario (bulk add over the wire), using one of the better allocators
> > > (e.g. hoard, tcalloc), would probably reduce this value considerably.
> > > Howard has published extensive benchmarks on this ...
> >
> > It is hard to know what info to provide for you to be able to help:
> >
> > BDB 4.4.20 with no patches.
> > Linux Kernel 2.6.21.5 SMP
> > glibc-2.7-1
> > libc6 2.7-6
> >
> > I'm not the one compiling the packet so I mainly have no idea of how to
> > change anything like that.
>
> One problem is that glibc is a terrible memory allocator.  You really 
> should use an alternative like tcmalloc or hoard.

Any advise on the BDB version? Is the newer one better (performing and 
still free)?
> --Quanah
>
> --
>
> Quanah Gibson-Mount
> Principal Software Engineer
> Zimbra, Inc
> --------------------
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