Thanks <div class="gmail_quote">2011/7/20 Yueh-Hung Liu <<a href="mailto:yuehung.liu@gmail.com">yuehung.liu@gmail.com</a>> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> maybe you can check out the cron table to see what are running periodically. but i think the load is no problem, unless the value remains very high for a long time. 2011/7/20 Javier González <<a href="mailto:jagonzalaz@gmail.com">jagonzalaz@gmail.com</a>>: <div><div></div><div class="h5">> Thank you Yueh-Hung Liu, > Is it possible to discover what´s the problem with the Load, which processes > take all the CPU time periodically ??? > Could i do something to improve the CPU usage ? > > 2011/7/19 Yueh-Hung Liu <<a href="mailto:yuehung.liu@gmail.com">yuehung.liu@gmail.com</a>> >> >> load is not the same as cpu usage, load is the number of queued >> processes in a period. >> maybe there are processes waiting for some events, such as I/O. >> >> >> 2011/7/19 Javier González <<a href="mailto:jagonzalaz@gmail.com">jagonzalaz@gmail.com</a>>: >> > Hello, >> > I have seen a lot peaks on the CPU LOAD of my nagios machine (See >> > pnp4nagios >> > graphs on pdf document attached). >> > I don´t know which process/processes are the ones that use too much CPU >> > on >> > that periods because the PC is only used for Nagios (And plugins used >> > with >> > it) and all the plugins defined have a check_period of 1 minute and >> > there is >> > a lot of periods where the load is near to 0 (so what happens every 2 >> > hours >> > more or less that use so much CPU???) >> > I have tried to find the process that causes this behavior with the >> > "top" >> > command but %Cpu idle is always (also on the peaks of the CPU LOAD) more >> > han >> > 70% and no process uses more than 4% of CPU (See three examples of TOP >> > command where %CPU idle is always high but Load vary a lot on each case) >> > ****************************************************************** >> > top - 11:52:27 up 9:51, 1 user, load average: 0.09, 0.56, 0.62 >> > Tasks: 102 total, 1 running, 101 sleeping, 0 stopped, 0 zombie >> > Cpu(s): 7.9%us, 1.5%sy, 0.0%ni, 88.4%id, 1.0%wa, 0.3%hi, 0.8%si, >> > 0.0%st >> > Mem: 2050176k total, 675704k used, 1374472k free, 132628k buffers >> > Swap: 2096472k total, 0k used, 2096472k free, 333384k cached >> > top - 13:30:05 up 11:29, 2 users, load average: 1.53, 1.27, 0.83 >> > Tasks: 110 total, 3 running, 107 sleeping, 0 stopped, 0 zombie >> > Cpu(s): 9.2%us, 1.5%sy, 0.0%ni, 88.6%id, 0.0%wa, 0.0%hi, 0.7%si, >> > 0.0%st >> > Mem: 2050176k total, 708540k used, 1341636k free, 139020k buffers >> > Swap: 2096472k total, 0k used, 2096472k free, 334668k cached >> > top - 13:16:39 up 1 day, 11:15, 2 users, load average: 2.45, 2.03, >> > 1.96 >> > Tasks: 106 total, 1 running, 105 sleeping, 0 stopped, 0 zombie >> > Cpu(s): 7.8%us, 1.4%sy, 0.0%ni, 89.1%id, 1.0%wa, 0.2%hi, 0.5%si, >> > 0.0%st >> > Mem: 2050176k total, 845668k used, 1204508k free, 167244k buffers >> > Swap: 2096472k total, 0k used, 2096472k free, 351224k cached >> > >> > >> > >> > ******************************************************************** >> > >> > Is there some way to find wich process cause this high CPU LOAD ? (Which >> > proccess use sometimes a lot of the CPU time so queuing other >> > processes). >> > Why sometimes the CPU Load is near to 0 and other times Load_1_min is >> > near >> > to 4 (On the example 2,45 but there are higher values) if the processes >> > are >> > always the same ??? >> > Thank you very much >> > >> > ***************************************************************************** >> > Environment Description. >> > Intel Core 2 DUO E7500 / 2,93GHz >> > DDR2 2GB / 667MHz >> > Centos 5.5 >> > Nagios 3.2.3 >> > nagios-plugins-1.4.11 >> > net-snmp-5.6 >> > snmptt-1.3 >> > mklivestatus-1.1.8 >> > nagvis-1.5.6 >> > pnp4nagios-0.6.10 >> > >> > ------------------------------------------------------------------------------ >> > Magic Quadrant for Content-Aware Data Loss Prevention >> > Research study explores the data loss prevention market. Includes >> > in-depth >> > analysis on the changes within the DLP market, and the criteria used to >> > evaluate the strengths and weaknesses of these DLP solutions. >> > <a href="http://www.accelacomm.com/jaw/sfnl/114/51385063/" target="_blank">http://www.accelacomm.com/jaw/sfnl/114/51385063/</a> >> > _______________________________________________ >> > Nagios-users mailing list >> > <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> >> > <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> >> > ::: Please include Nagios version, plugin version (-v) and OS when >> > reporting >> > any issue. >> > ::: Messages without supporting info will risk being sent to /dev/null >> > >> >> >> ------------------------------------------------------------------------------ >> Magic Quadrant for Content-Aware Data Loss Prevention >> Research study explores the data loss prevention market. Includes in-depth >> analysis on the changes within the DLP market, and the criteria used to >> evaluate the strengths and weaknesses of these DLP solutions. >> <a href="http://www.accelacomm.com/jaw/sfnl/114/51385063/" target="_blank">http://www.accelacomm.com/jaw/sfnl/114/51385063/</a> >> _______________________________________________ >> Nagios-users mailing list >> <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> >> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> >> ::: Please include Nagios version, plugin version (-v) and OS when >> reporting any issue. >> ::: Messages without supporting info will risk being sent to /dev/null > > </div></div>> ------------------------------------------------------------------------------ > 10 Tips for Better Web Security > Learn 10 ways to better secure your business today. Topics covered include: > Web security, SSL, hacker attacks & Denial of Service (DoS), private keys, > security Microsoft Exchange, secure Instant Messaging, and much more. > <a href="http://www.accelacomm.com/jaw/sfnl/114/51426210/" target="_blank">http://www.accelacomm.com/jaw/sfnl/114/51426210/</a> <div class="im">> _______________________________________________ > Nagios-users mailing list > <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> > <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> > ::: Please include Nagios version, plugin version (-v) and OS when reporting > any issue. > ::: Messages without supporting info will risk being sent to /dev/null > ------------------------------------------------------------------------------ </div>10 Tips for Better Web Security Learn 10 ways to better secure your business today. Topics covered include: Web security, SSL, hacker attacks & Denial of Service (DoS), private keys, security Microsoft Exchange, secure Instant Messaging, and much more. <a href="http://www.accelacomm.com/jaw/sfnl/114/51426210/" target="_blank">http://www.accelacomm.com/jaw/sfnl/114/51426210/</a> <div><div></div><div class="h5">_______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </div></div></blockquote></div>