High load with low cpu and mem usage... here the log

Hi and thanks in advance! I'have read lots of stuff about high loads. But in my case there is no high CPU or MEMORY usage and still the load reach high values. My server is: CENTOS 5.11 x86_64 standard " server WHM 11.50.0 (build 23) Here an example from this morning, with Load average at 218! The log:



USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root         1  0.0  0.0  10360   584 ?        Ss   Jul10   0:09 init [3]                                  
root         2  0.0  0.0      0     0 ?        S<   Jul10   0:00 [migration/0]
root         3  0.0  0.0      0     0 ?        SN   Jul10   0:00 [ksoftirqd/0]
root         4  0.0  0.0      0     0 ?        S<   Jul10   0:00 [watchdog/0]
root         5  0.0  0.0      0     0 ?        S<   Jul10   0:00 [migration/1]
root         6  0.0  0.0      0     0 ?        SN   Jul10   0:01 [ksoftirqd/1]
root         7  0.0  0.0      0     0 ?        S<   Jul10   0:00 [watchdog/1]
root         8  0.0  0.0      0     0 ?        S<   Jul10   0:00 [events/0]
root         9  0.0  0.0      0     0 ?        S<   Jul10   0:00 [events/1]
root        10  0.0  0.0      0     0 ?        S<   Jul10   0:00 [khelper]
root        35  0.0  0.0      0     0 ?        S<   Jul10   0:00 [kthread]
root        40  0.0  0.0      0     0 ?        S<   Jul10   0:01  \_ [kblockd/0]
root        41  0.0  0.0      0     0 ?        S<   Jul10   0:12  \_ [kblockd/1]
root        42  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kacpid]
root       125  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [cqueue/0]
root       126  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [cqueue/1]
root       129  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [khubd]
root       131  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kseriod]
root       204  0.0  0.0      0     0 ?        S    Jul10   0:00  \_ [khungtaskd]
root       207  0.0  0.0      0     0 ?        S<   Jul10   6:16  \_ [kswapd0]
root       208  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [aio/0]
root       209  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [aio/1]
root       361  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kpsmoused]
root       401  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [mpt_poll_0]
root       402  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [mpt/0]
root       403  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [scsi_eh_0]
root       410  0.0  0.0      0     0 ?        S<   Jul10   0:34  \_ [ata/0]
root       411  0.0  0.0      0     0 ?        S<   Jul10   1:41  \_ [ata/1]
root       412  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [ata_aux]
root       419  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kstriped]
root       432  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [ksnapd]
root       447  0.0  0.0      0     0 ?        S<   Jul10   8:19  \_ [kjournald]
root       472  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kauditd]
root      1113  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kedac]
root      1118  0.0  0.0      0     0 ?        S<   Jul10   4:41  \_ [scsi_eh_1]
root      1138  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [scsi_eh_2]
root      1653  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kmpathd/0]
root      1654  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kmpathd/1]
root      1655  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kmpath_handlerd]
root      1713  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kjournald]
root      1958  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [kjournald]
root      1980  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [iscsi_eh]
root      2037  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [ib_addr]
root      2047  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [ib_mcast]
root      2048  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [ib_inform]
root      2050  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [local_sa]
root      2053  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [iw_cm_wq]
root      2057  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [ib_cm/0]
root      2058  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [ib_cm/1]
root      2062  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [rdma_cm]
root      2775  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [rpciod/0]
root      2776  0.0  0.0      0     0 ?        S<   Jul10   0:00  \_ [rpciod/1]
root     21438  0.0  0.0      0     0 ?        S    02:13   0:04  \_ [pdflush]
root     28119  0.0  0.0      0     0 ?        S    10:41   0:00  \_ [pdflush]
root       505  0.0  0.0  12708   372 ?        S
nobody   30678  0.0  0.4  92988 12452 ?        S    10:51   0:00  \_ /usr/local/apache/bin/httpd -DSSL
nobody   30827  0.0  0.4  92856 12396 ?        S    10:53   0:00  \_ /usr/local/apache/bin/httpd -DSSL
nobody   30906  0.0  0.4  92984 12428 ?        S    10:54   0:00  \_ /usr/local/apache/bin/httpd -DSSL
nobody   30912  0.0  0.4  92984 12504 ?        S    10:54   0:00  \_ /usr/local/apache/bin/httpd -DSSL
1092     31126 11.3  1.1 175228 35592 ?        S    10:55   0:00  |   \_ /usr/bin/php /home/wds2015/public_html/blog/wp-comments-post.php
nobody   31006  0.0  0.3  92860 12360 ?        S    10:54   0:00  \_ /usr/local/apache/bin/httpd -DSSL
1035     31145 32.0  1.1 173012 34052 ?        D    10:55   0:00  |   \_ /usr/bin/php /home/ilikeitaly/public_html/xmlrpc.php
nobody   31019  0.0  0.3  92860 12360 ?        S    10:54   0:00  \_ /usr/local/apache/bin/httpd -DSSL
nobody   31104  0.0  0.3  92860 12348 ?        S    10:55   0:00  \_ /usr/local/apache/bin/httpd -DSSL
nobody   31118  0.0  0.3  92860 12344 ?        S    10:55   0:00  \_ /usr/local/apache/bin/httpd -DSSL
1092     31138 18.5  1.1 173244 34596 ?        S    10:55   0:00  |   \_ /usr/bin/php /home/wds2015/public_html/blog/index.php
nobody   31119  0.0  0.3  92860 12180 ?        S    10:55   0:00  \_ /usr/local/apache/bin/httpd -DSSL
root      4917  0.0  0.0  64808   664 ?        Ss   Jul10   0:00 /usr/sbin/sshd
root     13245  0.0  0.1  94376  3416 ?        Ss   09:44   0:00  \_ sshd: root@notty
root     13248  0.0  0.0  56192  2140 ?        Ss   09:44   0:00  |   \_ /usr/libexec/openssh/sftp-server
root     16458  0.0  0.1  95296  3388 ?        Ss   09:56   0:00  \_ sshd: root@notty
root     16465  0.0  0.0  56060  2048 ?        Ss   09:56   0:00  |   \_ /usr/libexec/openssh/sftp-server
root     18194  0.0  0.1  94376  3424 ?        Ss   10:04   0:00  \_ sshd: root@notty
root     18197  0.0  0.0  56184  2104 ?        Ss   10:04   0:00  |   \_ /usr/libexec/openssh/sftp-server
root     23973  0.0  0.1  94376  3396 ?        Ss   10:25   0:00  \_ sshd: root@pts/0
root     24538  0.0  0.0  66096  1620 ?        Ss+  10:27   0:00      \_ -bash
root      4931  0.0  0.0 134096  1080 ?        Ss   Jul10   0:00 cupsd
root      4946  0.0  0.0  66096  1320 ?        S    Jul10   0:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/server.myserver.com.pid
mysql     8594  4.2 34.7 1141004 1073988 ?     SLl  Jul15  58:57  \_ /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/log/mysqld.log --open-files-limit=32536 --pid-file=/var/lib/mysql/server.myserver.com.pid
root      5928  0.0  0.0   6464   260 ?        Ss   Jul10   0:00 gpm -m /dev/input/mice -t exps2
root      5941  0.0  0.0  93400  1184 ?        Ss   Jul10   0:04 pure-ftpd (SERVER)                                                                                                                                                                                                                                                        
root     30914  0.0  0.0  93404   512 ?        S    10:54   0:00  \_ pure-ftpd (IDLE)                                                                                                                                                                                                                                                          
root     30915  0.0  0.0  93404   324 ?        S    10:54   0:00  |   \_ pure-ftpd (PRIV)                                                                                                                                                                                                                                                          
root     30981  0.0  0.0  93404   512 ?        S    10:54   0:00  \_ pure-ftpd (IDLE)                                                                                                                                                                                                                                                          
root     30982  0.0  0.0  93404   324 ?        S    10:54   0:00  |   \_ pure-ftpd (PRIV)                                                                                                                                                                                                                                                          
root     30985  0.0  0.0  93404   512 ?        S    10:54   0:00  \_ pure-ftpd (IDLE)                                                                                                                                                                                                                                                          
root     30986  0.0  0.0  93404   324 ?        S    10:54   0:00      \_ pure-ftpd (PRIV)                                                                                                                                                                                                                                                          
root      5943  0.0  0.0  91036  1040 ?        S    Jul10   0:01 /usr/sbin/pure-authd -s /var/run/ftpd.sock -r /usr/local/cpanel/bin/pureauth
root      5956  0.0  0.0  74832   992 ?        Ss   Jul10   0:00 crond
32008    31032  0.0  0.0 104120  1464 ?        S    10:55   0:00  \_ crond
32008    31036  0.0  0.0   8716   952 ?        Ss   10:55   0:00  |   \_ /bin/sh /usr/local/cpanel/3rdparty/perl/514/bin/munin-cron
32008    31037  1.5  0.4 107324 14440 ?        S    10:55   0:00  |       \_ /usr/local/cpanel/3rdparty/perl/514/bin/perl /usr/local/cpanel/3rdparty/share/munin/munin-update
32008    31076  0.0  0.4 107456 13044 ?        S    10:55   0:00  |           \_ /usr/local/cpanel/3rdparty/share/munin/munin-update [Munin::Master::UpdateWorker]
interm   31033  0.0  0.0 104124  1484 ?        S    10:55   0:00  \_ crond
root     31039  0.0  0.0   5908   724 ?        Ss   10:55   0:00      \_ jailshell (interm) [31078] hell -c /home/interm/chkloadaverages
interm   31078  0.1  0.0   8724  1112 ?        S    10:55   0:00      |   \_ /bin/sh /home/interm/chkloadaverages
interm   31151  0.0  0.0  10600  1028 ?        R    10:55   0:00      |       \_ ps auxwwwf
interm   31152  0.0  0.0   3892   544 ?        S    10:55   0:00      |       \_ mail -s server.myserver.com [L: 10] [P: 218] [Swap Use: 07% ] [pps in:   pps out: ] attilioscullari@gmail.com
mailnull 31089  0.0  0.0  69876  2660 ?        S    10:55   0:00      \_ /usr/sbin/sendmail -FCronDaemon -i -odi -oem -oi -t
xfs       5991  0.0  0.0  20268   600 ?        Ss   Jul10   0:00 xfs -droppriv -daemon
root      6016  0.0  0.0  18744   420 ?        Ss   Jul10   0:00 /usr/sbin/atd
root      6086  0.0  0.1 100556  3592 ?        Ss   Jul10   0:02 /usr/local/cpanel/3rdparty/perl/514/sbin/munin-node
root     31077  0.0  0.1 100556  3796 ?        S    10:55   0:00  \_ /usr/local/cpanel/3rdparty/perl/514/sbin/munin-node [::ffff:127.0.0.1]
nobody   31136  0.0  0.0  20676  1964 ?        Ds   10:55   0:00      \_ /usr/bin/perl /etc/munin/plugins/apache_accesses config
root      6690  0.0  0.2 140244  7040 ?        S    Jul10   0:20 cpsrvd (SSL) - waiting for connections
root     29327  0.0  0.4 140868 12656 ?        S    10:46   0:00  \_ whostmgrd - serving 82.107.157.33
root     30910  0.0  0.2 140244  6316 ?        D    10:54   0:00  \_ cpsrvd (SSL) - check_sessions
root      6768  0.0  0.1  38216  3228 ?        S    Jul10   0:04 queueprocd - wait to process a task
root      6829  0.0  0.0 110668  1560 ?        S    Jul10   0:00 dnsadmin - server mode
root      6985  0.0  0.7 113404 21916 ?        S    Jul10   3:18 tailwatchd
root     30962  0.2  0.9 130984 27832 ?        S    10:54   0:00  \_ tailwatchd - chkservd - spamd check
root     31120  5.2  0.3  51160 12276 ?        S    10:55   0:00      \_ /usr/local/cpanel/scripts/restartsrv_spamd
root     31122  0.0  0.0  36760  1220 ?        S    10:55   0:00          \_ /usr/local/cpanel/3rdparty/perl/514/bin/spamc -u cpanel
root      7062  0.0  0.0 112460   928 ?        S    Jul10   0:00 cpdavd - accepting connections on 2077, 2078, 2079, and 2080
root      7151  0.0  0.0  29404  1240 ?        SN   Jul10   0:00 cpanellogd - sleeping for logs
avahi     7246  0.0  0.0  23292   944 ?        Ss   Jul10   0:00 avahi-daemon: running [server-2.local]
avahi     7247  0.0  0.0  23168   140 ?        Ss   Jul10   0:00  \_ avahi-daemon: chroot helper
root      7292  0.0  0.0   3804   420 tty1     Ss+  Jul10   0:00 /sbin/mingetty tty1
root      7293  0.0  0.0   3804   420 tty2     Ss+  Jul10   0:00 /sbin/mingetty tty2
root      7295  0.0  0.0   3804   420 tty3     Ss+  Jul10   0:00 /sbin/mingetty tty3
root      7297  0.0  0.0   3804   420 tty4     Ss+  Jul10   0:00 /sbin/mingetty tty4
root      7298  0.0  0.0   3804   420 tty5     Ss+  Jul10   0:00 /sbin/mingetty tty5
root      7299  0.0  0.0   3804   420 tty6     Ss+  Jul10   0:00 /sbin/mingetty tty6
root      8158  0.0  0.1 257036  3756 ?        SN   Jul10   0:01 /usr/bin/python -tt /usr/sbin/yum-updatesd
root      8174  0.0  0.0  12932  1004 ?        SN   Jul10   0:02 /usr/libexec/gam_server
root     12235  0.1 10.2 632712 315432 ?       Ssl  Jul14   3:52 /usr/local/cpanel/3rdparty/bin/clamd
mailnull 12243  0.0  0.0  69868  1056 ?        Ss   Jul14   0:07 /usr/sbin/exim -bd -q60m -oP /var/spool/exim/exim-daemon.pid
root      5038  0.0  0.0   3804   316 ?        S    Jul14   0:00 /usr/sbin/courierlogger -pid=/var/spool/authdaemon/pid -facility=mail -start /usr/libexec/courier-authlib/authdaemond
root      5039  0.0  0.0  16456   580 ?        S    Jul14   0:00  \_ /usr/libexec/courier-authlib/authdaemond
root      5045  0.0  0.0  16456   360 ?        S    Jul14   0:00      \_ /usr/libexec/courier-authlib/authdaemond
root     10560  0.0  0.3  50220 10888 ?        S    09:33   0:00      |   \_ /etc/authlib/authProg
root      5046  0.0  0.0  16456   360 ?        S    Jul14   0:00      \_ /usr/libexec/courier-authlib/authdaemond
root      9583  0.0  0.3  50220 10892 ?        S    09:30   0:00      |   \_ /etc/authlib/authProg
root      5047  0.0  0.0  16456   360 ?        S    Jul14   0:00      \_ /usr/libexec/courier-authlib/authdaemond
root      9749  0.0  0.3  50220 10888 ?        S    09:30   0:00      |   \_ /etc/authlib/authProg
root      5048  0.0  0.0  16456   392 ?        S    Jul14   0:00      \_ /usr/libexec/courier-authlib/authdaemond
root      9532  0.0  0.3  50220 10888 ?        S    09:30   0:00          \_ /etc/authlib/authProg
root      5053  0.0  0.0   3804   316 ?        S    Jul14   0:00 /usr/sbin/courierlogger -pid=/var/run/imapd.pid -start -name=imapd /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxprocs=50 -maxperip=30 -nodnslookup -noidentlookup 143 /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
root      5054  0.0  0.0   8000   540 ?        S    Jul14   0:00  \_ /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxprocs=50 -maxperip=30 -nodnslookup -noidentlookup 143 /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
root      5062  0.0  0.0   3804   316 ?        S    Jul14   0:00 /usr/sbin/courierlogger -pid=/var/run/imapd-ssl.pid -start -name=imapd-ssl /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxprocs=50 -maxperip=30 -nodnslookup -noidentlookup 993 /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
root      5063  0.0  0.0   8000   536 ?        S    Jul14   0:00  \_ /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxprocs=50 -maxperip=30 -nodnslookup -noidentlookup 993 /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
root      4706  0.0  0.1  35664  3756 ?        S    09:14   0:00      \_ /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
1120      4709  0.0  0.0  26756  1252 ?        S    09:14   0:00      |   \_ /usr/lib/courier-imap/bin/imapd /home/ugdcecpi/mail/ugdcecpisa.it/commissione
root      4750  0.0  0.1  35664  3756 ?        S    09:14   0:00      \_ /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
1120      4755  0.0  0.0  26756  1240 ?        S    09:14   0:00      |   \_ /usr/lib/courier-imap/bin/imapd /home/ugdcecpi/mail/ugdcecpisa.it/commissione
root      4761  0.0  0.1  35664  3756 ?        S    09:14   0:00      \_ /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
1120      4762  0.0  0.0  26756  1240 ?        S    09:14   0:00      |   \_ /usr/lib/courier-imap/bin/imapd /home/ugdcecpi/mail/ugdcecpisa.it/commissione
root     10554  0.0  0.1  35664  3756 ?        S    09:33   0:00      \_ /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
1133     10557  0.0  0.0  26756  1248 ?        S    09:33   0:00      |   \_ /usr/lib/courier-imap/bin/imapd /home/aterra/mail/aterra.it/info
root     10555  0.0  0.1  35664  3756 ?        S    09:33   0:00      \_ /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
1133     10556  0.0  0.0  26756  1304 ?        S    09:33   0:00      |   \_ /usr/lib/courier-imap/bin/imapd /home/aterra/mail/aterra.it/ordini
root     22704  0.0  0.1  35664  3752 ?        S    10:21   0:00      \_ /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
1180     22714  0.0  0.0  28844  1392 ?        S    10:21   0:00      |   \_ /usr/lib/courier-imap/bin/imapd /home/agrisorgenti/mail/agrisorgenti.it/info
root     22925  0.0  0.1  35664  3756 ?        S    10:21   0:00      \_ /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
1133     22946  0.0  0.0  26756  1276 ?        S    10:21   0:00      |   \_ /usr/lib/courier-imap/bin/imapd /home/aterra/mail/aterra.it/ordini
root     31018  0.2  0.1  35664  3756 ?        S    10:54   0:00      \_ /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
1133     31020  0.0  0.0  26760  1280 ?        S    10:54   0:00      |   \_ /usr/lib/courier-imap/bin/imapd /home/aterra/mail/aterra.it/ordini
root     31026  0.3  0.1  35664  3752 ?        S    10:54   0:00      \_ /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/imaplogin /usr/lib/courier-imap/bin/imapd Maildir
1133     31029  0.0  0.0  26756  1208 ?        S    10:55   0:00          \_ /usr/lib/courier-imap/bin/imapd /home/aterra/mail/aterra.it/info
root      5070  0.0  0.0   3804   316 ?        S    Jul14   0:00 /usr/sbin/courierlogger -pid=/var/run/pop3d.pid -start -name=pop3d /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxprocs=50 -maxperip=30 -nodnslookup -noidentlookup 110 /usr/lib/courier-imap/sbin/pop3login /usr/lib/courier-imap/bin/pop3d Maildir
root      5071  0.0  0.0   8000   540 ?        S    Jul14   0:01  \_ /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxprocs=50 -maxperip=30 -nodnslookup -noidentlookup 110 /usr/lib/courier-imap/sbin/pop3login /usr/lib/courier-imap/bin/pop3d Maildir
root      5078  0.0  0.0   3804   312 ?        S    Jul14   0:00 /usr/sbin/courierlogger -pid=/var/run/pop3d-ssl.pid -start -name=pop3d-ssl /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxprocs=50 -maxperip=30 -nodnslookup -noidentlookup 995 /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/pop3login /usr/lib/courier-imap/bin/pop3d Maildir
root      5079  0.0  0.0   8000   536 ?        S    Jul14   0:00  \_ /usr/lib/courier-imap/libexec/couriertcpd -address=0 -maxprocs=50 -maxperip=30 -nodnslookup -noidentlookup 995 /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/pop3login /usr/lib/courier-imap/bin/pop3d Maildir
root     30971  0.1  0.1  35664  3756 ?        S    10:54   0:00      \_ /usr/lib/courier-imap/bin/couriertls -server -tcpd /usr/lib/courier-imap/sbin/pop3login /usr/lib/courier-imap/bin/pop3d Maildir
1082     30980  0.0  0.0  10244   724 ?        S    10:54   0:00          \_ /usr/lib/courier-imap/bin/pop3d /home/bibendum/mail/bibendumsnc.com/a.forestiero
root      4484  0.2  0.7  73008 21704 ?        SNs  01:00   1:23 /usr/local/cpanel/scripts/cpbackup
root     20557  0.0  0.0   3792   440 ?        SN   10:13   0:00  \_ /usr/local/cpanel/bin/cpuwatch 7.0 /usr/local/cpanel/scripts/pkgacct myserver /home/cpbackuptmp/cpbackup/daily backup
root     20558  0.3  2.6 201928 81656 ?        RNs  10:13   0:09      \_ pkgacct - myserver - av: 3
root     20972  6.9  0.0   4168   728 ?        RN   10:14   2:49          \_ /usr/bin/gzip -6
1043     20973  0.4  2.5 201928 78996 ?        DN   10:14   0:09          \_ pkgacct - myserver - av: 3
root      2828  0.0  1.7 138180 52776 ?        Ss   09:06   0:02 /usr/local/cpanel/3rdparty/perl/514/bin/spamd --daemonize --max-spare=1 --max-children=3 --allowed-ips=127.0.0.1 --pidfile=/var/run/spamd.pid -i127.0.0.1
32001     2837  2.9  3.8 205200 118540 ?       S    09:07   3:10  \_ spamd child
1120      4746  0.0  0.0  12932  1104 ?        S    09:14   0:00 /usr/libexec/gam_server
1133     10562  0.0  0.0  12932  1108 ?        S    09:33   0:00 /usr/libexec/gam_server
1180     22724  0.0  0.0  12932  1092 ?        S    10:21   0:00 /usr/libexec/gam_server

Sorry, I typed the wrong load average. In this case it was 15 (previously I typed 218, but it's wrong).

attiliok

July 16, 2015 09:40

Is probably gzip (from cpbackup) causing the problem? My backups run during nights, but I noticed that never manage to complete in one night... the cpbackup continues in the morning... Do you think it's possible?

madmanmachines

July 16, 2015 12:27

Hi, You did not include the top of `top'. The part that specifies load, memory usage, and I/O.

24x7server

July 16, 2015 12:32

Hello, Regarding backup, If you have enough space on your server then I will suggest you please try to enable incremental backup on your server.

July 16, 2015 13:39

@Madmachine Tks for replying, i'm using this script (from the guide "Troubleshooting high server loads on Linux servers") to monitor high loads. The script send me the output I posted before when the system has a load average of 6 or more. The load in that case was 15, P:218, Swap use 07%. I really don't know how to have the "top" output of that precise time (when overload occurred)... any suggestion is appreciated! @24x7server tks for the suggestion, but i can't use incremental backup because my server use ftp backup on a remote server. And, as i fas as i know, this is not compatible with incremental backup. So, assuming that my problem is the gzip/cpbackup wich take more than one night to complete... here is my question: How can I tell to the server to exclude some account from daily backup (keeping alive the weekly backup)? Alternatively, how can I tell to the server to split the accounts in two groups, and to complete the first group tonight, and the second group tomorrow night? And so on, so i have a fresh backup every two days (instead of one for each day)? I'm looking around for both solutions, but without success. Thanks for your time.

cPanelMichael

July 20, 2015 17:29

So, assuming that my problem is the gzip/cpbackup wich take more than one night to complete

Hello :) You should first verify that's the case before proceeding to modify your backup configuration. Does the issue continue when backups are not generating? Thank you.

High load with low cpu and mem usage... here the log

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