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1
CentOS 7 Problems / Re: how to check background processes for sudden high read throughput
« on: October 29, 2024, 05:24:59 AM »
thanks for replying.
in csf firewall, i set LF_INTEGRITY to 0. to stop to run "/usr/bin/md5sum --check /var/lib/csf/csf.tempint"
also disabled AMaViS service. to stop to run "/usr/sbin/clamd -c /etc/clamd.d/amavisd.conf --foreground=yes"
i will monitor server if got high read throughput
in csf firewall, i set LF_INTEGRITY to 0. to stop to run "/usr/bin/md5sum --check /var/lib/csf/csf.tempint"
also disabled AMaViS service. to stop to run "/usr/sbin/clamd -c /etc/clamd.d/amavisd.conf --foreground=yes"
i will monitor server if got high read throughput
2
CentOS 7 Problems / Re: how to check background processes for sudden high read throughput
« on: October 29, 2024, 03:27:59 AM »
below is ps axuf
Code: [Select]
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 2 0.0 0.0 0 0 ? S Oct24 0:00 [kthreadd]
root 3 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [rcu_gp]
root 4 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [rcu_par_gp]
root 5 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [slub_flushwq]
root 7 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [kworker/0:0H-events_highpri]
root 10 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [mm_percpu_wq]
root 11 0.0 0.0 0 0 ? S Oct24 0:00 \_ [rcu_tasks_rude_]
root 12 0.0 0.0 0 0 ? S Oct24 0:00 \_ [rcu_tasks_trace]
root 13 0.0 0.0 0 0 ? S Oct24 0:01 \_ [ksoftirqd/0]
root 14 0.0 0.0 0 0 ? R Oct24 0:07 \_ [rcu_sched]
root 15 0.0 0.0 0 0 ? S Oct24 0:00 \_ [migration/0]
root 16 0.0 0.0 0 0 ? S Oct24 0:00 \_ [watchdog/0]
root 17 0.0 0.0 0 0 ? S Oct24 0:00 \_ [cpuhp/0]
root 18 0.0 0.0 0 0 ? S Oct24 0:00 \_ [cpuhp/1]
root 19 0.0 0.0 0 0 ? S Oct24 0:00 \_ [watchdog/1]
root 20 0.0 0.0 0 0 ? S Oct24 0:00 \_ [migration/1]
root 21 0.0 0.0 0 0 ? S Oct24 0:00 \_ [ksoftirqd/1]
root 23 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [kworker/1:0H-events_highpri]
root 25 0.0 0.0 0 0 ? S Oct24 0:00 \_ [kdevtmpfs]
root 26 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [netns]
root 27 0.0 0.0 0 0 ? S Oct24 0:00 \_ [kauditd]
root 28 0.0 0.0 0 0 ? S Oct24 0:00 \_ [xenbus]
root 29 0.0 0.0 0 0 ? S Oct24 0:00 \_ [xenwatch]
root 30 0.0 0.0 0 0 ? S Oct24 0:00 \_ [khungtaskd]
root 31 0.0 0.0 0 0 ? S Oct24 0:00 \_ [oom_reaper]
root 32 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [writeback]
root 33 0.0 0.0 0 0 ? S Oct24 0:00 \_ [kcompactd0]
root 34 0.0 0.0 0 0 ? SN Oct24 0:00 \_ [ksmd]
root 35 0.0 0.0 0 0 ? SN Oct24 0:03 \_ [khugepaged]
root 36 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [crypto]
root 37 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [kintegrityd]
root 38 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [kblockd]
root 39 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [blkcg_punt_bio]
root 40 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [tpm_dev_wq]
root 41 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [md]
root 42 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [md_bitmap]
root 43 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [edac-poller]
root 44 0.0 0.0 0 0 ? S Oct24 0:00 \_ [watchdogd]
root 46 0.0 0.0 0 0 ? I< Oct24 0:11 \_ [kworker/1:1H-kblockd]
root 63 0.8 0.0 0 0 ? S Oct24 44:44 \_ [kswapd0]
root 125 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [kthrotld]
root 126 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [acpi_thermal_pm]
root 128 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [kmpath_rdacd]
root 129 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [kaluad]
root 130 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [ipv6_addrconf]
root 131 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [kstrp]
root 170 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [zswap-shrink]
root 184 0.0 0.0 0 0 ? I< Oct24 1:25 \_ [kworker/0:1H-xfs-log/xvda1]
root 342 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [rpciod]
root 343 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [xprtiod]
root 429 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [ata_sff]
root 431 0.0 0.0 0 0 ? I Oct24 0:02 \_ [kworker/u30:2-writeback]
root 432 0.0 0.0 0 0 ? S Oct24 0:00 \_ [scsi_eh_0]
root 438 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [scsi_tmf_0]
root 439 0.0 0.0 0 0 ? S Oct24 0:00 \_ [scsi_eh_1]
root 442 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [scsi_tmf_1]
root 463 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [xfsalloc]
root 464 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [xfs_mru_cache]
root 465 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [xfs-buf/xvda1]
root 466 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [xfs-conv/xvda1]
root 467 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [xfs-cil/xvda1]
root 468 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [xfs-reclaim/xvd]
root 469 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [xfs-blockgc/xvd]
root 470 0.0 0.0 0 0 ? I< Oct24 0:00 \_ [xfs-log/xvda1]
root 471 0.0 0.0 0 0 ? S Oct24 0:24 \_ [xfsaild/xvda1]
root 93143 0.0 0.0 0 0 ? I Oct25 0:01 \_ [kworker/u30:0-events_unbound]
root 174553 0.0 0.0 0 0 ? I Oct27 0:00 \_ [kworker/u30:3-events_unbound]
root 216471 0.0 0.0 0 0 ? I 08:06 0:00 \_ [kworker/1:1-cgroup_pidlist_destroy]
root 216472 0.0 0.0 0 0 ? R 08:12 0:00 \_ [kworker/0:1-xfs-buf/xvda1]
root 216475 0.0 0.0 0 0 ? I 08:17 0:00 \_ [kworker/0:2-xfs-buf/xvda1]
root 216476 0.0 0.0 0 0 ? I 08:18 0:00 \_ [kworker/1:0-cgroup_pidlist_destroy]
root 216481 0.0 0.0 0 0 ? I 08:22 0:00 \_ [kworker/0:0-xfs-buf/xvda1]
root 216574 0.0 0.0 0 0 ? I 08:25 0:00 \_ [kworker/1:2-events_power_efficient]
root 216576 0.0 0.0 0 0 ? I 08:25 0:00 \_ [kworker/0:3-xfs-buf/xvda1]
root 216748 0.0 0.0 0 0 ? I 08:26 0:00 \_ [kworker/1:3-events_power_efficient]
root 216751 0.0 0.0 0 0 ? I 08:27 0:00 \_ [kworker/u30:1]
root 1 0.0 0.1 238676 6884 ? Ss Oct24 1:59 /usr/lib/systemd/systemd --system --deserialize 20
rpc 628 0.0 0.0 67328 732 ? Ss Oct24 0:02 /usr/bin/rpcbind -w -f
root 629 0.0 0.0 131216 920 ? S<sl Oct24 1:40 /sbin/auditd
root 641 0.0 0.0 48724 380 ? S< Oct24 0:00 \_ /usr/sbin/sedispatch
daemon 679 0.0 0.0 233172 3116 ? Rsl Oct24 0:34 /usr/sbin/rngd -f --fill-watermark=0 -x pkcs11 -x nist -x qrypt -D daemon:daemon
dbus 680 0.0 0.0 57800 1880 ? Ss Oct24 0:21 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
root 681 0.0 0.0 125000 652 ? Ssl Oct24 1:42 /usr/sbin/irqbalance --foreground
root 684 0.0 0.0 81664 988 ? Ss Oct24 1:09 /usr/lib/systemd/systemd-logind
chrony 696 0.0 0.0 140188 1428 ? S Oct24 1:14 /usr/sbin/chronyd
root 734 0.0 0.0 590692 2684 ? Ssl Oct24 3:47 /usr/sbin/NetworkManager --no-daemon
root 742 0.0 0.1 328176 5440 ? Ss Oct24 1:38 php-fpm: master process (/usr/local/cwp/php71/etc/cwpsrv.conf)
root 749 0.0 0.1 328300 5460 ? Ss Oct24 1:43 php-fpm: master process (/usr/local/cwp/php71/etc/php-fpm.conf)
root 758 0.0 0.0 284248 1104 ? Ss Oct24 0:00 /usr/sbin/pure-ftpd /etc/pure-ftpd/pure-ftpd.conf
root 759 0.0 0.0 314972 704 ? Ssl Oct24 0:58 /usr/sbin/gssproxy -D
polkitd 1032 0.0 0.2 1610060 8204 ? Ssl Oct24 0:04 /usr/lib/polkit-1/polkitd --no-debug
root 1139 0.0 0.0 107804 1352 ? Ss Oct24 1:18 /usr/libexec/postfix/master -w
postfix 1144 0.0 0.0 121960 1172 ? S Oct24 1:51 \_ qmgr -l -t fifo -u
postfix 216441 0.7 0.0 121840 1128 ? S 06:50 0:46 \_ pickup -l -t fifo -u -o content_filter= -o receive_override_options=no_header_body_checks
postfix 216703 0.2 0.0 122012 2048 ? S 08:25 0:00 \_ proxymap -t unix -u
postfix 216784 0.0 0.2 121848 10236 ? S 08:28 0:00 \_ trivial-rewrite -n rewrite -t unix -u
postfix 216827 0.0 0.2 121976 8912 ? S 08:28 0:00 \_ cleanup -z -t unix -u
root 1214 0.0 0.2 248396 9480 ? Ssl Oct24 2:36 /usr/sbin/rsyslogd -n
root 1349 0.0 0.0 26204 204 ? Ss Oct24 0:17 /usr/sbin/atd -f
root 1350 0.0 0.0 219324 116 ttyS0 Ss+ Oct24 0:00 /sbin/agetty -o -p -- \u --keep-baud 115200,38400,9600 ttyS0 vt220
root 1351 0.0 0.0 219684 112 tty1 Ss+ Oct24 0:00 /sbin/agetty -o -p -- \u --noclear tty1 linux
root 8008 0.0 0.0 235732 1696 ? Ss Oct24 1:22 /usr/sbin/crond -n
root 216486 0.0 0.0 253948 992 ? S 08:25 0:00 \_ /usr/sbin/CROND -n
root 216490 0.0 0.0 222600 228 ? Ss 08:25 0:00 \_ /bin/sh -c /usr/bin/flock -n /var/run/cloudlinux_getstats.cronlock /bin/sh /var/log/server-status/getstats.sh >/dev/null 2>&1
root 216491 0.0 0.0 221424 92 ? S 08:25 0:00 \_ /usr/bin/flock -n /var/run/cloudlinux_getstats.cronlock /bin/sh /var/log/server-status/getstats.sh
root 216638 0.0 0.0 222600 252 ? S 08:25 0:00 \_ /bin/sh /var/log/server-status/getstats.sh
root 216910 0.0 0.1 257656 3980 ? R 08:28 0:00 \_ ps axuf
root 13435 0.0 0.0 76728 940 ? Ss Oct24 0:00 /usr/sbin/sshd -D -oCiphers=aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,aes256-ctr,aes256-cbc,aes128-gcm@openssh.com,aes128-ctr,aes128-cbc -oMACs=hmac-sha2-256-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha2-256,hmac-sha1,umac-128@openssh.com,hmac-sha2-512 -oGSSAPIKexAlgorithms=gss-curve25519-sha256-,gss-nistp256-sha256-,gss-group14-sha256-,gss-group16-sha512-,gss-gex-sha1-,gss-group14-sha1- -oKexAlgorithms=curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1 -oHostKeyAlgorithms=ecdsa-sha2-nistp256,ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521,ecdsa-sha2-nistp521-cert-v01@openssh.com,ssh-ed25519,ssh-ed25519-cert-v01@openssh.com,rsa-sha2-256,rsa-sha2-256-cert-v01@openssh.com,rsa-sha2-512,rsa-sha2-512-cert-v01@openssh.com,ssh-rsa,ssh-rsa-cert-v01@openssh.com -oPubkeyAcceptedKeyTypes=ecdsa-sha2-nistp256,ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521,ecdsa-sha2-nistp521-cert-v01@openssh.com,ssh-ed25519,ssh-ed25519-cert-v01@openssh.com,rsa-sha2-256,rsa-sha2-256-cert-v01@openssh.com,rsa-sha2-512,rsa-sha2-512-cert-v01@openssh.com,ssh-rsa,ssh-rsa-cert-v01@openssh.com -oCASignatureAlgorithms=ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519,rsa-sha2-256,rsa-sha2-512,ssh-rsa
named 13481 0.0 0.5 317776 21368 ? Ssl Oct24 1:10 /usr/sbin/named -u named -c /etc/named.conf
root 13668 0.2 0.4 620160 15256 ? Ssl Oct24 12:33 /usr/libexec/platform-python -Es /usr/sbin/tuned -l -P
root 13781 0.0 0.0 26844 604 ? Ss Oct24 0:00 /usr/sbin/dovecot -F
dovecot 13784 0.0 0.0 22440 388 ? S Oct24 0:00 \_ dovecot/anvil
root 13785 0.0 0.0 22576 540 ? S Oct24 0:00 \_ dovecot/log
root 13786 0.0 0.0 36296 1796 ? S Oct24 0:00 \_ dovecot/config
root 22318 0.0 0.0 83980 1112 ? Ss Oct24 1:13 /usr/lib/systemd/systemd-udevd
amavis 92533 0.0 3.9 522420 146792 ? Ss Oct25 1:04 /usr/sbin/amavisd (master)
amavis 92746 0.0 3.9 523964 146912 ? S Oct25 0:00 \_ /usr/sbin/amavisd (virgin child)
amavis 92747 0.0 3.9 523964 146912 ? S Oct25 0:00 \_ /usr/sbin/amavisd (virgin child)
root 204778 0.2 0.7 309504 28348 ? Ss 00:00 1:05 lfd - sleeping
root 216669 0.0 0.7 309504 28348 ? S 08:25 0:00 \_ lfd - checking system integrity
root 216679 0.7 0.0 228592 368 ? R 08:25 0:01 \_ /usr/bin/md5sum --check /var/lib/csf/csf.tempint
root 209988 0.0 0.0 33340 1868 ? Ss 03:24 0:00 cwpsrv: master process /usr/local/cwpsrv/bin/cwpsrv
root 209989 0.1 0.0 57500 3020 ? S 03:24 0:20 \_ cwpsrv: worker process
root 209990 0.0 0.0 57372 2924 ? S 03:24 0:04 \_ cwpsrv: worker process
root 210750 0.1 0.0 103976 2960 ? Ss 03:24 0:31 /usr/local/apache/bin/httpd -k start
nobody 210753 0.5 0.3 1530520 13644 ? Sl 03:24 1:34 \_ /usr/local/apache/bin/httpd -k start
nobody 210754 0.1 0.3 1530608 12780 ? Sl 03:24 0:22 \_ /usr/local/apache/bin/httpd -k start
nobody 210755 0.0 0.4 1531144 15260 ? Sl 03:24 0:13 \_ /usr/local/apache/bin/httpd -k start
nobody 211137 0.1 0.3 1530584 14624 ? Sl 03:26 0:18 \_ /usr/local/apache/bin/httpd -k start
nobody 216037 4.4 0.3 1530548 11380 ? Sl 06:46 4:32 \_ /usr/local/apache/bin/httpd -k start
nobody 216195 9.6 0.2 1530824 9340 ? Sl 06:46 9:52 \_ /usr/local/apache/bin/httpd -k start
nobody 216196 6.5 0.2 1530548 8988 ? Sl 06:46 6:42 \_ /usr/local/apache/bin/httpd -k start
nobody 216327 5.4 0.2 1530548 8720 ? Sl 06:46 5:36 \_ /usr/local/apache/bin/httpd -k start
nobody 216426 0.6 0.1 1530280 6392 ? Sl 06:46 0:38 \_ /usr/local/apache/bin/httpd -k start
nobody 216428 0.6 0.1 1530280 5308 ? Sl 06:46 0:37 \_ /usr/local/apache/bin/httpd -k start
root 216487 0.3 0.8 467324 32032 ? DNs 08:25 0:00 /usr/libexec/platform-python /usr/bin/dnf makecache --timer
amavis 216757 56.2 3.5 417220 132768 ? Rs 08:28 0:02 /usr/sbin/clamd -c /etc/clamd.d/amavisd.conf --foreground=yes
root 216771 1.5 0.2 87540 8680 ? Ss 08:28 0:00 /usr/lib/systemd/systemd-journald
mysql 216790 3.5 2.4 1750424 92456 ? Ssl 08:28 0:00 /usr/sbin/mysqld
3
CentOS 7 Problems / Re: how to check background processes for sudden high read throughput
« on: October 29, 2024, 03:04:25 AM »
i got print iotop with ps into log file. can check below iotop listing first. i suspect csf with clamd service cause high read throughput.
from ps axuf, involve 2 system processess
/usr/sbin/clamd -c /etc/clamd.d/amavisd.conf --foreground=yes
/usr/bin/md5sum --check /var/lib/csf/csf.tempint
from ps axuf, involve 2 system processess
/usr/sbin/clamd -c /etc/clamd.d/amavisd.conf --foreground=yes
/usr/bin/md5sum --check /var/lib/csf/csf.tempint
Code: [Select]
iotop -b -n 3
Total DISK READ : 34.48 M/s | Total DISK WRITE : 0.00 B/s
Actual DISK READ: 34.76 M/s | Actual DISK WRITE: 71.91 K/s
TID PRIO USER DISK READ DISK WRITE SWAPIN IO COMMAND
b' 216781 be/4 root 26.97 M/s 0.00 B/s 0.00 % 99.99 % my_print_defaults --loose-verbose --mysqld'
b' 216197 be/4 xantec 4.14 M/s 0.00 B/s 0.00 % 99.99 % php-cgi /home/xantec/public_html/index.php'
b' 216137 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 98.56 % php-cgi /home/xantec/public_html/index.php'
b' 216183 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 93.64 % php-cgi /home/xantec/public_html/index.php'
b' 216091 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 88.02 % php-cgi /home/xantec/public_html/index.php'
b' 216154 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 83.31 % php-cgi /home/xantec/public_html/index.php'
b' 216179 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 78.17 % php-cgi /home/xantec/public_html/index.php'
b' 216194 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.39 % php-cgi /home/xantec/public_html/index.php'
b' 216189 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.36 % php-cgi /home/xantec/public_html/index.php'
b' 216114 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.35 % php-cgi /home/xantec/public_html/index.php'
b' 216121 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.34 % php-cgi /home/xantec/public_html/index.php'
b' 216096 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.32 % php-cgi /home/xantec/public_html/index.php'
b' 216109 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.32 % php-cgi /home/xantec/public_html/index.php'
b' 216146 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.31 % php-cgi /home/xantec/public_html/index.php'
b' 216118 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.31 % php-cgi /home/xantec/public_html/index.php'
b' 216097 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.29 % php-cgi /home/xantec/public_html/index.php'
b' 216169 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.28 % php-cgi /home/xantec/public_html/index.php'
b' 216095 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.28 % php-cgi /home/xantec/public_html/index.php'
b' 216117 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.27 % php-cgi /home/xantec/public_html/index.php'
b' 216126 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.24 % php-cgi /home/xantec/public_html/index.php'
b' 216100 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.23 % php-cgi /home/xantec/public_html/index.php'
b' 216108 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.21 % php-cgi /home/xantec/public_html/index.php'
b' 216150 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.20 % php-cgi /home/xantec/public_html/index.php'
b' 216190 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.18 % php-cgi /home/xantec/public_html/index.php'
b' 216174 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.17 % php-cgi /home/xantec/public_html/index.php'
b' 216092 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 75.15 % php-cgi /home/xantec/public_html/index.php'
b' 216155 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 74.81 % php-cgi /home/xantec/public_html/index.php'
b' 216119 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 74.80 % php-cgi /home/xantec/public_html/index.php'
b' 216103 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 74.77 % php-cgi /home/xantec/public_html/index.php'
b' 216193 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 74.75 % php-cgi /home/xantec/public_html/index.php'
b' 216134 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 74.73 % php-cgi /home/xantec/public_html/index.php'
b' 216116 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 74.72 % php-cgi /home/xantec/public_html/index.php'
b' 216719 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 74.69 % php-cgi /home/xantec/public_html/index.php'
b' 216094 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 74.34 % php-cgi /home/xantec/public_html/index.php'
b' 216165 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 68.41 % php-cgi /home/xantec/public_html/index.php'
b' 216164 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 68.40 % php-cgi /home/xantec/public_html/index.php'
b' 216186 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 68.38 % php-cgi /home/xantec/public_html/index.php'
b' 216180 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 68.36 % php-cgi /home/xantec/public_html/index.php'
b' 216192 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 68.35 % php-cgi /home/xantec/public_html/index.php'
b' 216175 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 67.94 % php-cgi /home/xantec/public_html/index.php'
b' 216162 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 67.93 % php-cgi /home/xantec/public_html/index.php'
b' 216131 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 63.63 % php-cgi /home/xantec/public_html/index.php'
b' 216115 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 62.58 % php-cgi /home/xantec/public_html/index.php'
b' 216111 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 62.56 % php-cgi /home/xantec/public_html/index.php'
b' 216132 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 58.48 % php-cgi /home/xantec/public_html/index.php'
b' 216198 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 53.98 % php-cgi /home/xantec/public_html/index.php'
b' 216110 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 47.41 % php-cgi /home/xantec/public_html/index.php'
b' 216478 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 43.98 % php-cgi /home/xantec/public_html/index.php'
b' 216144 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 38.09 % php-cgi /home/xantec/public_html/index.php'
b' 216099 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 33.27 % php-cgi /home/xantec/public_html/index.php'
b' 216188 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 33.25 % php-cgi /home/xantec/public_html/index.php'
b' 216139 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 33.22 % php-cgi /home/xantec/public_html/index.php'
b' 216124 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 33.21 % php-cgi /home/xantec/public_html/index.php'
b' 216104 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 33.19 % php-cgi /home/xantec/public_html/index.php'
b' 216160 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 33.18 % php-cgi /home/xantec/public_html/index.php'
b' 216149 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 33.16 % php-cgi /home/xantec/public_html/index.php'
b' 216135 be/4 xantec 0.00 B/s 0.00 B/s 0.00 % 33.14 % php-cgi /home/xantec/public_html/index.php'
b' 216738 be/4 root 575.30 K/s 0.00 B/s 0.00 % 15.23 % platform-python -s /usr/sbin/iotop -b -o -n 3'
b' 216487 be/7 root 287.65 K/s 0.00 B/s 0.00 % 0.00 % platform-python /usr/bin/dnf makecache --timer'
b' 216679 be/4 root 2.25 M/s 0.00 B/s 0.00 % 0.00 % md5sum --check /var/lib/csf/csf.tempint'
b' 216772 be/4 postfix 287.65 K/s 0.00 B/s 0.00 % 0.00 % cleanup -z -t unix -u'
Total DISK READ : 10.27 M/s | Total DISK WRITE : 188.87 K/s
Actual DISK READ: 40.42 M/s | Actual DISK WRITE: 142.58 K/s
TID PRIO USER DISK READ DISK WRITE SWAPIN IO COMMAND
b' 216679 be/4 root 9.31 M/s 0.00 B/s 0.00 % 61.39 % md5sum --check /var/lib/csf/csf.tempint'
b' 216487 be/7 root 966.59 K/s 0.00 B/s 0.00 % 43.38 % platform-python /usr/bin/dnf makecache --timer'
b' 216738 be/4 root 18.52 K/s 11.11 K/s 0.00 % 2.66 % platform-python -s /usr/sbin/iotop -b -o -n 3'
b' 1234 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % rsyslogd -n [in:imjournal]'
b' 1238 be/4 root 0.00 B/s 44.44 K/s 0.00 % 0.00 % rsyslogd -n [rs:main Q:Reg]'
Total DISK READ : 36.98 M/s | Total DISK WRITE : 144.82 K/s
Actual DISK READ: 40.10 M/s | Actual DISK WRITE: 355.19 K/s
TID PRIO USER DISK READ DISK WRITE SWAPIN IO COMMAND
b' 216679 be/4 root 23.53 M/s 0.00 B/s 0.00 % 54.39 % md5sum --check /var/lib/csf/csf.tempint'
b' 216487 be/7 root 12.46 M/s 0.00 B/s 0.00 % 40.57 % platform-python /usr/bin/dnf makecache --timer'
b' 216790 be/4 mysql 963.81 K/s 0.00 B/s 0.00 % 16.33 % mysqld'
b' 696 be/4 chrony 50.88 K/s 0.00 B/s 0.00 % 0.00 % chronyd'
b' 1234 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % rsyslogd -n [in:imjournal]'
b' 1238 be/4 root 0.00 B/s 35.23 K/s 0.00 % 0.00 % rsyslogd -n [rs:main Q:Reg]'
b' 216827 be/4 postfix 0.00 B/s 0.00 B/s 0.00 % 0.00 % cleanup -z -t unix -u'
4
CentOS 7 Problems / how to check background processes for sudden high read throughput
« on: October 28, 2024, 10:16:50 AM »
hi, i got one aws ec2 + 50GB ssd ebs gp3. this ebs gp3 only offer IOPS 3000 with Throughput 125.
but high read throughput make server down. may i know how to check background processes?
on 6:46, no more processes take high cpu from 20 top listing, after recovered on 8:25, many php processes running. then slow to recovered in next 20 minutes
but high read throughput make server down. may i know how to check background processes?
on 6:46, no more processes take high cpu from 20 top listing, after recovered on 8:25, many php processes running. then slow to recovered in next 20 minutes
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