[Serusers] Weird problem when, restarting ser.

[Atle Samuelsen]

Thanks Andrei :-)


- Atle 


* Andrei Pelinescu-Onciul <pelinescu-onciul at fokus.fraunhofer.de> [040624 14:14]:
> On Jun 24, 2004 at 12:54, Andreas Granig <a.granig at inode.at> wrote:
> > Andrei Pelinescu-Onciul wrote:
> > >On Jun 21, 2004 at 19:47, Atle Samuelsen <clona at cyberhouse.no> wrote:
> > >
> > >>Some more update.. got the same problem today.. and when it happend, ser
> > >>blocked. and I got ALOT of these error messages. Anybody know why ?
> > >
> > >
> > >Ser runs out of "local" memory. The localtions are first loaded in local
> > >(per process memory) and copied and inserted in the usrloc shared memory
> > >list. (probably you have a lot of entries)
> > >
> > >By default ser uses maximum 1Mb of local memory/process. Try to
> > >increases it to a bigger value. 
> > >Change PKG_MEM_POOL_SIZE in config.h and recompile.
> > 
> > D'oh, same problem again here now (Ser 0.8.12)!
> > 
> > It started with log entries like this:
> > 
> [...]
> > 
> > After deleting 100 entries from location it came up again. Hope that the 
> > increase of PKG_MEM_POOL_SIZE to 2MB helps.
> 
> You'll be ok until you reach twice the location table size you have
> right now.
> > 
> > So it seems that after about 6300 entries or so in location Ser stops 
> > working with the default configuration!? I'd be interested in how many 
> > users do other Ser-Servers out there serve? Are there similiar problems?
> 
> Yes there are and you are right they usually start at ~6000 entries.
> 
> We will either increase the default temp. memory size or we will switch
> to shared memory for loading the locations tables on startup. The ideea
>  behind the local memory is to have some kind of private per process,
>  very fast to allocate memory space, used mainly for temporary stuff.
>  However in the usrloc case since the tables are loaded on startup we
>  don't care so much about the performance and we could switch to shared
>  memory (which is by default 32Mb and can be changed with the command
>  line switch -m).
> 
> 
> Andrei
>