Process Manager -1 ENOSYS (Function not implemented)

Darthur

Registered
Apr 17, 2020
4
0
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DataCenter Provider
Hello people,

Two totally different WHM installation, and both have same problem with one cpanel account.

1. Installation (dedicated server, 64GB RAM DDR3, i7CPU, CentOS) - ONLY one cpanel account on whole server, that problematic.
2. Installation (dedicated server, 128GB DDR4, 2xintel 4110, Cloudlinux (Enginetron, Imunify, Kernelcare) - 25 heavy account's working like never before in a life.

There is not some unusual behavior of server, everything is working smoothly but when I've migrated "domen.com" site from old server to new one (migration was done via Transfer Tool option), I've notice rise in Processes:

2020-04-17 11_02_06-Window.jpg

When I click on (trace) it show next:

2020-04-17 10_49_59-Window.jpg


This was not happening before migration of that one heavy Wordpress cpanel account.

Wordpress is up-to-date, a 5-6 basic and stable plugins, it a very light theme, and that site is very much visited, generate ~600GB per day (news site) traffic.

Does anyone have any idea why this error is happening?
 
Last edited:

cPanelLauren

Product Owner
Staff member
Nov 14, 2017
13,296
1,271
313
Houston
What filesystem is being used? Ultimately this sounds like more of an issue for a system administrator than anything else. Some interesting information on the systemcall being done in the strace you're showing: futex(2) - Linux manual page

If you need a sysadmin you might find one here: System Administration Services
 

cPanelLauren

Product Owner
Staff member
Nov 14, 2017
13,296
1,271
313
Houston
Neither CloudLinux nor cPanel dictates your Filesystem type, and as such, this isn't something answered by cPanel support. As I noted previously this sounds as though the filesystem type does not support flock which is not supported by cPanel installations. You can see your filesystem type by running something like
Code:
cat /proc/mounts
or
Code:
cat /etc/fstab
if it's present

You're welcome to open a ticket so that this can be looked at more in-depth but I will note that should this be determined to be a matter of the filesystem for sure, you will be redirected to a sysadmin as this is not something that cPanel or CloudLinux determines or provides support for.
 

Darthur

Registered
Apr 17, 2020
4
0
1
Europe
cPanel Access Level
DataCenter Provider
cat /proc/mounts
Code:
[[email protected] ~]# cat /proc/mounts
rootfs / rootfs rw 0 0
sysfs /sys sysfs rw,relatime 0 0
proc /proc proc rw,relatime,gid=1000,hidepid=2 0 0
devtmpfs /dev devtmpfs rw,nosuid,size=65591276k,nr_inodes=16397819,mode=755 0 0
securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /dev/shm tmpfs rw 0 0
devpts /dev/pts devpts rw,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,nodev,mode=755 0 0
tmpfs /sys/fs/cgroup tmpfs rw,nosuid,nodev,noexec,mode=755 0 0
cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd 0 0
pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
configfs /sys/kernel/config configfs rw,relatime 0 0
/dev/md2 / ext4 rw,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
mqueue /dev/mqueue mqueue rw,relatime 0 0
hugetlbfs /dev/hugepages hugetlbfs rw,relatime 0 0
systemd-1 /proc/sys/fs/binfmt_misc autofs rw,relatime,fd=30,pipe_ino=49317,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=49317 0 0
debugfs /sys/kernel/debug debugfs rw,relatime 0 0
/dev/md1 /boot ext3 rw,relatime,data=ordered 0 0
/dev/loop0 /tmp ext4 rw,nosuid,noexec,relatime,discard,data=ordered 0 0
/dev/loop0 /var/tmp ext4 rw,nosuid,noexec,relatime,discard,data=ordered 0 0
cgroup /sys/fs/cgroup/freezer cgroup rw,relatime,freezer 0 0
cgroup /sys/fs/cgroup/devices cgroup rw,relatime,devices 0 0
cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,relatime,cpuacct,cpu 0 0
cgroup /sys/fs/cgroup/cpuset cgroup rw,relatime,cpuset 0 0
cgroup /sys/fs/cgroup/memory cgroup rw,relatime,memory 0 0
binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,relatime 0 0
/dev/md2 /usr/share/cagefs-skeleton ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
devpts /usr/share/cagefs-skeleton/dev/pts devpts rw,nosuid,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /usr/share/cagefs-skeleton/dev/shm tmpfs rw,nosuid,nodev,noexec 0 0
/dev/md2 /usr/share/cagefs-skeleton/lib ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/lib64 ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/include ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/lib ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/lib64 ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/apache/domlogs ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/cpanel/3rdparty/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/cpanel/3rdparty/lib ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/cpanel/3rdparty/lib64 ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/cpanel/3rdparty/perl ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/cpanel/3rdparty/php ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/cpanel/3rdparty/share ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/cpanel/Cpanel ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/cpanel/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/cpanel/sys_cpanel/boxtrapper-message ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/local/cpanel/var ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/share/i360-php-opts ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/share/l.v.e-manager/cl.nodejs ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/share/l.v.e-manager/cl.python ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/share/locale ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/share/man ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/share/terminfo ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/usr/share/zoneinfo ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/var/cpanel/ea4 ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/var/imunify360/files/sigs ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/var/lib/mysql ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/var/lib/proxyexec/cagefs.sock ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/var/lib/spamassassin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/var/passenger ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
tmpfs /usr/share/cagefs-skeleton/run/dbus tmpfs rw,nosuid,mode=755 0 0
tmpfs /usr/share/cagefs-skeleton/run/imunify360_user tmpfs rw,nosuid,mode=755 0 0
tmpfs /usr/share/cagefs-skeleton/run/nscd tmpfs rw,nosuid,mode=755 0 0
/dev/md2 /usr/share/cagefs-skeleton/var/spool/at ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/var/www/cgi-bin ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/var/www/html ext4 rw,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/suphp/sbin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php51/root/usr/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php51/root/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php52/root/usr/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php52/root/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php53/root/usr/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php53/root/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php54/root/usr/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php54/root/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php55/root/usr/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php55/root/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php56/root/usr/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php56/root/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php70/root/usr/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php70/root/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php71/root/usr/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php71/root/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php72/root/usr/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php72/root/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php73/root/usr/bin ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/opt/cpanel/ea-php73/root/etc ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
/dev/md2 /usr/share/cagefs-skeleton/var/lve/lveinfo.ver.cagefs ext4 ro,nosuid,relatime,data=ordered,jqfmt=vfsv0,usrjquota=quota.user 0 0
proc /usr/share/cagefs-skeleton/proc proc rw,nosuid,relatime,gid=1000,hidepid=2 0 0
systemd-1 /usr/share/cagefs-skeleton/proc/sys/fs/binfmt_misc autofs rw,relatime,fd=30,pipe_ino=49317,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=49317 0 0
binfmt_misc /usr/share/cagefs-skeleton/proc/sys/fs/binfmt_misc binfmt_misc rw,nosuid,relatime 0 0
tmpfs /run/user/0 tmpfs rw,nosuid,nodev,relatime,size=13123352k,mode=700 0 0
cat /etc/fstab
Code:
[[email protected] ~]# cat /etc/fstab
proc /proc proc defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
tmpfs /dev/shm tmpfs defaults 0 0
sysfs /sys sysfs defaults 0 0
# /dev/md/0
UUID=4d273a8c-4456-4e88-8b46-9198e7c2f464 none swap sw 0 0
# /dev/md/1
UUID=dfee39cd-2ee1-4444-8866-0c68dc971cf7 /boot ext3 defaults 0 0
# /dev/md/2
UUID=cb1db1f0-074a-441c-bda7-64a09fac775b       /       ext4    usrjquota=quota.user,jqfmt=vfsv0        0       0
/usr/tmpDSK             /tmp                    ext3    defaults,noauto        0 0
 

S4hosting

Member
Jul 30, 2021
20
1
3
India
cPanel Access Level
Root Administrator
same issue facing trace mysql any solution for this?...

poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
restart_syscall(<... resuming interrupted poll ...>) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR) = -1 ENOSYS (Function not implemented)
fcntl(29, F_SETFD, FD_CLOEXEC) = -1 ENOSYS (Function not implemented)
futex(0x557519639264, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x557519639260, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented)
futex(0x557519636a80, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented)
poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR) = -1 ENOSYS (Function not implemented)
fcntl(29, F_SETFD, FD_CLOEXEC) = -1 ENOSYS (Function not implemented)
futex(0x557519639264, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x557519639260, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented)
poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR) = -1 ENOSYS (Function not implemented)
fcntl(29, F_SETFD, FD_CLOEXEC) = -1 ENOSYS (Function not implemented)
futex(0x557519639264, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x557519639260, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented)
futex(0x557519636a80, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented)
poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR) = -1 ENOSYS (Function not implemented)
fcntl(151, F_SETFD, FD_CLOEXEC) = -1 ENOSYS (Function not implemented)
futex(0x557519639264, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x557519639260, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented)
poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR) = -1 ENOSYS (Function not implemented)
fcntl(29, F_SETFD, FD_CLOEXEC) = -1 ENOSYS (Function not implemented)
futex(0x557519639264, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x557519639260, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented)
futex(0x557519636a80, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented)
poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR) = -1 ENOSYS (Function not implemented)
fcntl(151, F_SETFD, FD_CLOEXEC) = -1 ENOSYS (Function not implemented)
futex(0x557519639264, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x557519639260, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented)
futex(0x557519636a80, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented)
poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR) = -1 ENOSYS (Function not implemented)
fcntl(454, F_SETFD, FD_CLOEXEC) = -1 ENOSYS (Function not implemented)
futex(0x557519639264, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x557519639260, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented)
futex(0x557519636a80, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented)
poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR) = -1 ENOSYS (Function not implemented)
fcntl(29, F_SETFD, FD_CLOEXEC) = -1 ENOSYS (Function not implemented)
futex(0x557519639264, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x557519639260, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented)
futex(0x557519636a80, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented)
poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR) = -1 ENOSYS (Function not implemented)
fcntl(29, F_SETFD, FD_CLOEXEC) = -1 ENOSYS (Function not implemented)
futex(0x557519639264, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x557519639260, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented)
futex(0x557519636a80, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented)
poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR) = -1 ENOSYS (Function not implemented)
fcntl(29, F_SETFD, FD_CLOEXEC) = -1 ENOSYS (Function not implemented)
futex(0x557519639264, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x557519639260, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GT<<24|0x1) = -1 ENOSYS (Function not implemented)
poll([{fd=25, events=POLLIN}, {fd=27, events=POLLIN}], 2, -1) = -1 ENOSYS (Function not implemented)
fcntl(27, F_GETFL) = -1 ENOSYS (Function not implemented)
fcntl(27, F_SETFL, O_RDWR|O_NONBLOCK) = -1 ENOSYS (Function not implemented)
accept4(27, 0x7ffe0c3dc550, [2], SOCK_CLOEXEC) = -1 ENOSYS (Function not implemented)
 

cPRex

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@S4hosting - when we've seen this issue in the past there have been compatibility issues with strace, MySQL, and the operating system, but it doesn't necessarily indicate a problem with the server. It would be best to check MySQL with the "mysqladmin proc status" command to see if there are any odd queries or other issues.
 

S4hosting

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hey anything wrong in this?


+-------+-------------+-----------+----+---------+------+--------------------------+------------------+----------+
| Id | User | Host | db | Command | Time | State | Info | Progress |
+-------+-------------+-----------+----+---------+------+--------------------------+------------------+----------+
| 1 | system user | | | Daemon | | InnoDB purge coordinator | | 0.000 |
| 4 | system user | | | Daemon | | InnoDB purge worker | | 0.000 |
| 2 | system user | | | Daemon | | InnoDB purge worker | | 0.000 |
| 3 | system user | | | Daemon | | InnoDB purge worker | | 0.000 |
| 5 | system user | | | Daemon | | InnoDB shutdown handler | | 0.000 |
| 16587 | root | localhost | | Query | 0 | init | show processlist | 0.000 |
+-------+-------------+-----------+----+---------+------+--------------------------+------------------+----------+
Uptime: 82117 Threads: 14 Questions: 3883727 Slow queries: 30 Opens: 1435 Flush tables: 1 Open tables:764 Queries per second avg: 47.295
 

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cPRex

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Sure - you can use the "sar" command to get more details on the server's load history:

 

S4hosting

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08:10:01 PM 2 382 0.24 0.39 0.45 0
08:20:01 PM 4 384 0.14 0.24 0.34 1
08:30:04 PM 6 385 1.77 0.54 0.39 6
08:40:01 PM 3 378 0.02 0.23 0.33 0
08:50:01 PM 5 382 0.15 0.23 0.29 0
09:00:01 PM 3 394 0.34 0.28 0.30 4
09:10:01 PM 3 383 0.22 0.42 0.47 0
09:20:02 PM 4 390 0.30 0.43 0.49 0
09:30:01 PM 3 388 0.40 0.44 0.44 0
09:40:01 PM 1 394 2.75 1.25 0.72 4
09:50:04 PM 1 421 6.27 4.04 2.29 8
10:00:02 PM 0 388 0.20 1.26 1.82 5

10:00:02 PM runq-sz plist-sz ldavg-1 ldavg-5 ldavg-15 blocked
10:10:01 PM 0 390 0.22 0.63 1.30 0
10:20:02 PM 3 402 0.75 0.87 1.08 5
10:30:01 PM 3 387 0.46 0.63 0.85 0
10:40:01 PM 4 387 0.49 0.48 0.64 0
Average: 3 386 0.38 0.39 0.40 1
 

S4hosting

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07:30:01 PM all 3.44 0.09 1.66 4.49 0.04 90.29
07:40:01 PM all 4.11 0.05 1.80 4.91 0.03 89.10
07:50:02 PM all 5.36 0.04 1.94 5.38 0.03 87.25
08:00:01 PM all 13.23 0.04 3.06 10.52 0.03 73.11
08:10:01 PM all 5.26 0.05 2.37 9.65 0.04 82.64
08:20:01 PM all 3.54 0.09 1.49 4.83 0.03 90.03
08:30:04 PM all 3.89 0.04 1.58 4.68 0.03 89.77
08:40:01 PM all 5.41 0.05 1.90 6.40 0.03 86.22
08:50:01 PM all 2.75 0.05 1.45 3.40 0.03 92.32
09:00:01 PM all 4.35 0.04 1.73 4.08 0.03 89.77
09:10:01 PM all 4.76 0.09 2.22 11.91 0.03 81.00
09:20:02 PM all 6.01 0.05 2.43 10.41 0.03 81.07
09:30:01 PM all 7.33 0.05 2.57 6.11 0.03 83.91
09:40:01 PM all 6.22 0.05 2.46 16.09 0.03 75.14
09:50:04 PM all 13.33 0.06 5.42 58.03 0.05 23.10
10:00:02 PM all 11.11 0.10 4.43 19.79 0.04 64.53

10:00:02 PM CPU %user %nice %system %iowait %steal %idle
10:10:01 PM all 4.79 0.13 2.45 17.38 0.03 75.22
10:20:02 PM all 8.09 0.05 3.09 14.31 0.03 74.43
10:30:01 PM all 7.39 0.05 2.40 7.91 0.03 82.22
10:40:01 PM all 5.26 0.05 1.89 5.23 0.03 87.55
Average: all 4.50 0.15 1.92 7.32 0.03 86.08
 

cPRex

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So that looks pretty normal to me - a few spikes, but nothing crazy long-term.

There isn't really going to be a way to resolve the spikes after they happen. If they frequently happen around the same time it would be best to catch them in the act while monitoring the server in real-time.