<div dir="ltr">Hi,<div><br></div><div>This seems to be unrelated to openstack, perhaps try on some debian or systemd issue tracker (see: <a href="https://github.com/systemd/systemd/issues">https://github.com/systemd/systemd/issues</a>, <a href="https://www.debian.org/Bugs/">https://www.debian.org/Bugs/</a>)</div><div><br></div><div>Regards</div><div>Lajos</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Md. Farhad Hasan Khan <<a href="mailto:rony.khan@brilliant.com.bd">rony.khan@brilliant.com.bd</a>> ezt írta (időpont: 2019. dec. 7., Szo, 7:00):<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-US"><div class="gmail-m_6097992000772552589WordSection1"><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black">Hi,<u></u><u></u></span></p><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black">We are observing high CPU utilization by systemd process. <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><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?<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><strong><span style="font-family:Arial,sans-serif;color:black">Log collected via login to the server via</span></strong><strong><span style="font-family:Arial,sans-serif;color:black"> ssh or console</span></strong><strong><span style="font-family:Arial,sans-serif;color:black">: (0% CPU utilization)</span></strong><span style="font-family:Arial,sans-serif;color:black"> <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black">top -b -n 1 | grep systemd | grep 612<br>  612 root      <span class="gmail-m_6097992000772552589object">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-m_6097992000772552589object">  6.5  22029</span>:26 systemd<br><br><u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><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"> <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><div><p class="MsoNormal"><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-m_6097992000772552589object">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-m_6097992000772552589object">  6.5  22031</span>:31 systemd<u></u><u></u></span></p></div></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><strong><span style="font-family:Arial,sans-serif;color:black">Please find the server information:</span></strong><span style="font-family:Arial,sans-serif;color:black"><u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><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<br><br><u></u><u></u></span></p></div><div><p class="MsoNormal"><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<br><br><u></u><u></u></span></p></div><div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:black">Thanks & B’Rgds,<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:black">Rony<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p></div></div></div></div></blockquote></div>