[Serusers] new_t: out of mem

Klaus Darilion klaus.mailinglists at pernau.at
Wed Aug 19 09:16:52 CEST 2009 

Fragmentation is a known problem of the memory manager.

Maybe you can find some hints here:
http://www.kamailio.org/dokuwiki/doku.php/troubleshooting:memory



Roger Tan schrieb:
> hi.
>  
> I tested my ser server which version is 0.9.7+cvs20080424 used sipps 
> sending 1000
> invite per sec.  after about 10 sec, there was an out of mem error.
> 
> Aug 18 09:40:12 ubuntu /sbin/ser[20805]: ERROR: new_t: out of mem:
> Aug 18 09:40:12 ubuntu /sbin/ser[20805]: ERROR: t_newtran: new_t failed
> Aug 18 09:40:12 ubuntu /sbin/ser[20805]: ERROR: sl_reply_error used: I'm 
> terribly sorry,
> server error occurred (1/SL)
> Aug 18 09:40:12 ubuntu /sbin/ser[20805]: ERROR: sip_msg_cloner: cannot 
> allocate memory
> and my memlog is:
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: -----------------------------
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: Memory status (shm):
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: qm_status (0xb5acf000):
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:  heap size= 33554432
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:  used= 1914592, 
> used+overhead=2224736,
> free=31329696
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:  max used (+overhead)= 33534720
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: dumping all alloc'ed. fragments:
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:       0. N  address=0xb5ad41a8 
> frag=0xb5ad41a0
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:       1. N  address=0xb5ad41c8 
> frag=0xb5ad41c0
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:       2. N  address=0xb5ad41e8 
> frag=0xb5ad41e0
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:       3. N  address=0xb5ad4208 
> frag=0xb5ad4200
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:       4. N  address=0xb5ad4228 
> frag=0xb5ad4220
> size=4096 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:       5. N  address=0xb5ad5238 
> frag=0xb5ad5230
> size=4096 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:       6. N  address=0xb5ad6248 
> frag=0xb5ad6240
> size=2800 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:       7. N  address=0xb5ad6d48 
> frag=0xb5ad6d40
> size=1680 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:       8. N  address=0xb5ad73e8 
> frag=0xb5ad73e0
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:       9. N  address=0xb5ad7408 
> frag=0xb5ad7400
> size=1572864 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      10. N  address=0xb5c57418 
> frag=0xb5c57410
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      11. N  address=0xb5c57438 
> frag=0xb5c57430
> size=320 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      12. N  address=0xb5c57588 
> frag=0xb5c57580
> size=48 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      13. N  address=0xb5c575c8 
> frag=0xb5c575c0
> size=80 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      14. N  address=0xb5c57628 
> frag=0xb5c57620
> size=80 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      15. N  address=0xb5c57688 
> frag=0xb5c57680
> size=80 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      16. N  address=0xb5c576e8 
> frag=0xb5c576e0
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      17. N  address=0xb5c57708 
> frag=0xb5c57700
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      18. N  address=0xb5c57728 
> frag=0xb5c57720
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      19. N  address=0xb5c57748 
> frag=0xb5c57740
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      20. N  address=0xb5c57768 
> frag=0xb5c57760
> size=32 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      21. N  address=0xb5c57798 
> frag=0xb5c57790
> size=131072 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      22. N  address=0xb5c777a8 
> frag=0xb5c777a0
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      23. N  address=0xb5c777c8 
> frag=0xb5c777c0
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      24. N  address=0xb5c777e8 
> frag=0xb5c777e0
> size=32 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      25. N  address=0xb5c77818 
> frag=0xb5c77810
> size=131072 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      60. N  address=0xb5ca7948 
> frag=0xb5ca7940
> size=48 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      61. N  address=0xb5ca7988 
> frag=0xb5ca7980
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      62. N  address=0xb5ca79a8 
> frag=0xb5ca79a0
> size=80 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      63. N  address=0xb5ca7a08 
> frag=0xb5ca7a00
> size=48 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      64. N  address=0xb5ca7a48 
> frag=0xb5ca7a40
> size=32 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      65. N  address=0xb5ca7a78 
> frag=0xb5ca7a70
> size=16 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]:      66. N  address=0xb5ca7a98 
> frag=0xb5ca7a90
> size=65808 used=1
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: dumping free list stats :
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash=   1. fragments no.:  
> 1232, unused:     0
> ^I^I bucket size:        16 -        16 (first        16)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash=  38. fragments no.:    
> 54, unused:     0
> ^I^I bucket size:       608 -       608 (first       608)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash=  43. fragments no.:    
> 54, unused:     0
> ^I^I bucket size:       688 -       688 (first       688)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash=  44. fragments no.:  
> 3991, unused:     0
> ^I^I bucket size:       704 -       704 (first       704)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash=  57. fragments no.:   
> 114, unused:     0
> ^I^I bucket size:       912 -       912 (first       912)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash=  58. fragments no.:  
> 4004, unused:     0
> ^I^I bucket size:       928 -       928 (first       928)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash=  68. fragments no.:    
> 46, unused:     0
> ^I^I bucket size:      1088 -      1088 (first      1088)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash=  82. fragments no.:   
> 109, unused:     0
> ^I^I bucket size:      1312 -      1312 (first      1312)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 115. fragments no.:    
> 34, unused:     0
> ^I^I bucket size:      1840 -      1840 (first      1840)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 174. fragments no.:  
> 3795, unused:     0
> ^I^I bucket size:      2784 -      2784 (first      2784)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 186. fragments no.:   
> 790, unused:     0
> ^I^I bucket size:      2976 -      2976 (first      2976)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 187. fragments no.:  
> 3820, unused:     0
> ^I^I bucket size:      2992 -      2992 (first      2992)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 262. fragments no.:     
> 1, unused:     0
> ^I^I bucket size:      4192 -      4192 (first      4192)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 318. fragments no.:     
> 1, unused:     0
> ^I^I bucket size:      5088 -      5088 (first      5088)
> Aug 18 10:11:02 ubuntu /sbin/ser[20787]: -----------------------------
> I think it's not a memory leak but the so many small memory fragments, 
> and those
> fragments were not combinated.  How I solve this problem?
> Thanks.
> 
> 
> --
> MSN: miao__tan at hotmail.com <mailto:miao__tan at hotmail.com>
> Email: m.roger.t at gmail.com <mailto:m.roger.t at gmail.com>
> 
> 
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