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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:#1F497D'>H</span><span style='font-family:"Arial","sans-serif";color:black'>i,</span><span style='color:#1F497D'><o:p></o:p></span></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'>We are observing high CPU utilization by systemd process. </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'>100% CPU utilize by systemd process when no user is being logged in to the server but CPU utilization became 0% while any user logged in to the server. What cloud be possible reason behind this issue and solution?</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><strong><span style='font-family:"Arial","sans-serif";color:black'>Log collected via login to the server via ssh or console: (0% CPU utilization)</span></strong><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span style='font-family:"Arial","sans-serif";color:black'>top -b -n 1 | grep systemd | grep 612<br> 612 root <span class=gmail-m6097992000772552589object>20 0 3386692 2</span>.051g 4932 T <strong><span style='font-family:"Arial","sans-serif";background:yellow'>0.0</span></strong><span class=gmail-m6097992000772552589object> 6.5 22029</span>:26 systemd</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><strong><span style='font-family:"Arial","sans-serif";color:black'>Log collected without login to the server : (100% CPU utilization)</span></strong><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'># ssh <a href="mailto:user@192.168.18.11" target="_blank">user@192.168.18.11</a> top -b -n 1 | grep systemd | grep 612<br><a href="mailto:user@192.168.18.11's" target="_blank">user@192.168.18.11's</a> password:<br> 612 root <span class=gmail-m6097992000772552589object>20 0 3386692 2</span>.051g 4932 S <strong><span style='font-family:"Arial","sans-serif";background:yellow'>789.2</span></strong><span class=gmail-m6097992000772552589object> 6.5 22031</span>:31 systemd</span><o:p></o:p></p></div></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><strong><span style='font-family:"Arial","sans-serif";color:black'>Please find the server information:</span></strong><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span style='font-family:"Arial","sans-serif";color:black'>lsb_release -a<br>No LSB modules are available.<br>Distributor ID: Debian<br>Description: Debian GNU/Linux 8.11 (jessie)<br>Release: 8.11<br>Codename: jessie</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><strong><span style='font-family:"Arial","sans-serif";color:black'>uname -r</span></strong><span style='font-family:"Arial","sans-serif";color:black'><br>3.16.0-6-amd64</span><o:p></o:p></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:black'>Thanks & B’Rgds,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>Rony</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div></div></div></body></html>