[Serusers] Memory errors

Jan Janak jan at iptel.org
Thu Nov 20 21:30:35 CET 2003


It looks like you have a lot of free memory. Did you print the
statistics at the same time when the server was complaining about
insufficient memory ?

Still pending questions from my previous email:
How quickly is the memory exhausted ? Immediately after you start the
server ? Can you reproduce it ?

  Jan.


On 20-11 13:26, Darren Nay wrote:
> Thanks for your followup Jan.
> 
> I did a SIGUSR1 and here were the results.  The first time it output the mem
> statistics.  Then I did another SIGUSR1 again and it output them and then
> the SER server died.. Here was the output
> 
> 
> First SIGUSR1
> ----------------
>  0(5066) Memory status (pkg):
>  0(5066) fm_status (8e8f0):
>  0(5066)  heap size= 1047440
>  0(5066) dumping free list:
>  0(5066) hash =   1 fragments no.:     4,
>                  bucket size:         8 -         8 (first         8)
>  0(5066) hash =   2 fragments no.:     1,
>                  bucket size:        16 -        16 (first        16)
>  0(5066) hash =   6 fragments no.:     1,
>                  bucket size:        48 -        48 (first        48)
>  0(5066) hash =  20 fragments no.:     1,
>                  bucket size:       160 -       160 (first       160)
>  0(5066) hash = 265 fragments no.:     1,
>                  bucket size:    524288 -   1048576 (first   1042112)
>  0(5066) TOTAL:      8 free fragments = 1042368 free bytes
>  0(5066) -----------------------------
>  0(5066) Memory status (shm):
>  0(5066) fm_status (ef000000):
>  0(5066)  heap size= 268434320
>  0(5066) dumping free list:
>  0(5066) hash = 273 fragments no.:     1,
>                  bucket size: 134217728 - 268435456 (first 266841440)
>  0(5066) TOTAL:      1 free fragments = 266841440 free bytes
>  0(5066) -----------------------------
>  0(5066) ERROR: udp_rcv_loop:recvfrom:[4] Interrupted system call
> 
> 
> Second SIGUSR1
> -------------------
>  2(5068) ERROR: fifo_server fgets failed: Error 0
>  2(5068) INFO: signal 15 received
>  2(5068) Memory status (pkg):
>  2(5068) fm_status (8e8f0):
>  2(5068)  heap size= 1047440
>  2(5068) dumping free list:
>  2(5068) hash =   1 fragments no.:     4,
>                  bucket size:         8 -         8 (first         8)
>  2(5068) hash =   2 fragments no.:     1,
>                  bucket size:        16 -        16 (first        16)
>  2(5068) hash =   4 fragments no.:     1,
>                  bucket size:        32 -        32 (first        32)
>  2(5068) hash =   6 fragments no.:     1,
>                  bucket size:        48 -        48 (first        48)
>  2(5068) hash =  20 fragments no.:     1,
>                  bucket size:       160 -       160 (first       160)
>  2(5068) hash = 265 fragments no.:     1,
>                  bucket size:    524288 -   1048576 (first   1042112)
>  2(5068) TOTAL:      9 free fragments = 1042400 free bytes
>  2(5068) -----------------------------
>  1(5067) INFO: signal 15 received
>  1(5067) Memory status (pkg):
>  1(5067) fm_status (8e8f0):
>  1(5067)  heap size= 1047440
>  1(5067) dumping free list:
>  1(5067) hash =   1 fragments no.:     4,
>                  bucket size:         8 -         8 (first         8)
>  1(5067) hash =   2 fragments no.:     1,
>                  bucket size:        16 -        16 (first        16)
>  1(5067) hash =   4 fragments no.:     1,
>                  bucket size:        32 -        32 (first        32)
>  1(5067) hash =   6 fragments no.:     1,
>                  bucket size:        48 -        48 (first        48)
>  1(5067) hash =  20 fragments no.:     1,
>                  bucket size:       160 -       160 (first       160)
>  1(5067) hash = 265 fragments no.:     1,
>                  bucket size:    524288 -   1048576 (first   1042112)
>  1(5067) User Signal 1
> TOTAL:      9 free fragments = 1042400 free bytes
>  1(5067) -----------------------------
> root:/usr/local/sbin #
> root:/usr/local/sbin #
> 
> 
> ----- Original Message -----
> From: "Jan Janak" <jan at iptel.org>
> To: "Darren Nay" <dnay at libertyisp.com>
> Cc: "Andrei Pelinescu-Onciul" <pelinescu-onciul at fokus.fraunhofer.de>;
> <serusers at lists.iptel.org>
> Sent: Thursday, November 20, 2003 1:06 PM
> Subject: Re: [Serusers] Memory errors
> 
> 
> > I think it is not shared memory, but private memory what is exhausted
> > because the logs you provided shows functions that do not use shared
> > memory.
> >
> > When this happen, can you send SIGUSR1 to the first ser process ? It
> > should print some memory statistics. Can you then send them to us ?
> >
> > To me it looks like a memory leak. How quickly is the memory exhausted ?
> > Immediately after you start the server or after some time ? Can you
> > reproduce it ?
> >
> >   Jan.
> >
> > On 20-11 12:54, Darren Nay wrote:
> > > Hmm.. That's peculiar. :)  We only have one user on the server right now
> and
> > > we are only trying with one single phone (one call at a time).
> > >
> > > Maybe we have a loop somewhere sucking up the memory? :(
> > >
> > > Oh, another note.  Prior to installing mysql and configuring SER to use
> > > mysql for authentication the SIP phone registered with SER without any
> > > problems.  After the mysql config it's getting this error.  Does
> > > implementing MySQL take extra memory?  If so, how much extra? and how
> will
> > > it affect the perfomance of the SER server?
> > >
> > > Thanks for your help!  That does help me, I will continue to play with
> it
> > > and see if I can figure it out as well.
> > >
> > > Thanks again!
> > > Darren Nay
> > >
> > > ----- Original Message -----
> > > From: "Andrei Pelinescu-Onciul" <pelinescu-onciul at fokus.fraunhofer.de>
> > > To: "Darren Nay" <dnay at libertyisp.com>
> > > Cc: <serusers at lists.iptel.org>
> > > Sent: Thursday, November 20, 2003 12:42 PM
> > > Subject: Re: [Serusers] Memory errors
> > >
> > >
> > > > This happens when ser runs out of shared memory :-) Are you making
> lots
> > > > of calls simultaneoulsy? Do you have a lot of users?
> > > >
> > > > By default ser will use only 32Mb of shared memory which should be
> > > > enough for most test/small scenarios. To  make it use more start it
> with
> > > > -m size_in_M  (e.g ser -m 256 -f ser.cfg ...).
> > > >
> > > > Andrei
> > > >
> > >
> > >
> > > _______________________________________________
> > > Serusers mailing list
> > > serusers at lists.iptel.org
> > > http://lists.iptel.org/mailman/listinfo/serusers
> >
> 
> 




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