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</o:shapelayout></xml><![endif]--></head><body lang=DE-AT link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Memory usage:<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-AT'><img width=1022 height=152 style='width:10.6458in;height:1.5833in' id="_x0000_i1027" src="cid:image001.jpg@01D3B6E8.21419390"></span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=DE style='mso-fareast-language:DE-AT'>Von:</span></b><span lang=DE style='mso-fareast-language:DE-AT'> Spce-user [mailto:spce-user-bounces@lists.sipwise.com] <b>Im Auftrag von </b>Hohl Matthias<br><b>Gesendet:</b> Donnerstag, 8. März 2018 13:57<br><b>An:</b> spce-user@lists.sipwise.com<br><b>Betreff:</b> [Spce-user] Memory Utilization very high since yesterday mr5.5.2<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='background:white'><span lang=EN style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'>We have noticed that storage usage has increased massively since yesterday 18:30. The RAM was populated with 3 additional GB of RAM within 15 minutes and there's no reason to see why this happened. Also, the RAM has not degraded since then.<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'>The system runs since the last update to 5.5.2 for 50 days without problems and always with the same utilization / use of the services.<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'>We looked at the logs but cannot detect any irregularities. In the Grafana we saw that at that time the CPU utilization went up to 100%. What we still recognized was that the database SELECT queries have massively increased. Usually we have between 30-50 queries but from 18:30 to 18:45 there were nearly 2,000 queries.<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'>We then looked at the syslog, but it is empty and contains no data. We also looked at the slow-queries, but again, nothing remarkable was noticed at this time. We also tried to clear the RAM, but this has not brought any improvement.<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'><o:p> </o:p></span></p><pre style='background:white'><span lang=EN style='font-family:"inherit",serif;color:#212121'>Normally, the RAM utilization should normalize again when the queries are finished, right?</span><span lang=EN-US style='font-family:"inherit",serif;color:#212121'><o:p></o:p></span></pre><p class=MsoNormal style='background:white'><span lang=EN style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'>Where else can we look to investigate the cause of this massive increase in SELECT queries?<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'>It would be really great if you could help us.</span><span lang=EN-US style='font-size:10.0pt;font-family:"inherit",serif;color:#212121;mso-fareast-language:DE-AT'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-AT'><img width=804 height=416 style='width:8.375in;height:4.3333in' id="Grafik_x0020_1" src="cid:image004.jpg@01D3B6E8.213F2290"></span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-AT'><img width=801 height=393 style='width:8.3437in;heigh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