SAP Knowledge Base Article - Preview

2308401 - CPU usage continues to peek or stays at 100% - SAP ASE on HP Itanium

Symptom

  •  On HP Itanium, CPU usage continues to peek or stays at 100% as follows:
Cpu states:
CPU   LOAD   USER   NICE    SYS   IDLE  BLOCK  SWAIT   INTR   SSYS
 0    1.02  76.9%   0.0%  23.1%   0.0%   0.0%   0.0%   0.0%   0.0%
 1    0.50   0.2%   0.0%   0.2%  99.6%   0.0%   0.0%   0.0%   0.0%
---   ----  -----  -----  -----  -----  -----  -----  -----  -----
avg   0.76  38.4%   0.0%  11.7%  49.9%   0.0%   0.0%   0.0%   0.0%
System Page Size: 4Kbytes
Memory: 554124K (344936K) real, 1839928K (662484K) virtual, 3128888K free  Page# 1/10
CPU TTY    PID USERNAME PRI NI   SIZE    RES STATE    TIME %WCPU  %CPU COMMAND
 1 pts/1  4648 test10   152 20   318M 14728K run      2:30 100.44 100.26 dataserver
 0   ?      67 root     152 20  2592K  2304K run    473:13  0.54  0.54 vxfsd
 1   ?    1500 root     152 20   190M 10632K run     23:12  0.24  0.24 cimprovagt
  • The pstack OS command prints a stack trace like below. The dbcc stacktrace command may also be able to print a similar stack trace.
 0: c000000000418050 : _sigsetstatemask() + 0x30
 1: c000000000425eb0 : setjmp() + 0x210
 2: 4000000005d0a8a0 : ktMuxThreadScheduleOut() + 0x80
 3: 4000000002455fc0 : kpsuspend() + 0x2a0
 4: 400000000245b740 : upyield() + 0x2c0
 5: 4000000001669260 : $cold_ksfreesocket() + 0x3f0
 6: 4000000002077fa0 : soc_nclose() + 0x2c0
 7: 4000000001ffd1f0 : drop_connection() + 0x110
 8: 400000000207b590 : kill_proc() + 0x5f0
 9: 4000000002050330 : terminate_process() + 0xbb0
10: 4000000001b40b70 : quitfn() + 0x130
11: 4000000002dc2f50 : site_quit() + 0x170
12: 4000000002dc2310 : site_hdlr() + 0x670
13: 4000000002bd9690 : kpstartproc() + 0xf0
14: 4000000002455c40 : stack_switch() + 0x80
15: c000000000425eb0 : setjmp() + 0x210


Read more...

Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7
  • SAP Adaptive Server Enterprise (ASE) 16.0
  • HP Itanium

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

CR798089, CR#798089, 798089, sp_serveroption, remote_ASE, timeout, cis, rpc, handling, kernel, mode , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.