Hi, new here and need some help. Sometimes my site is extremely slow, if when there aren't too many people on, whereas when there are over 300 online members the site may be very fast. We use CentOS, PHP 5.26. The server has 4GB and Plesk usually shows about 2 or 3 GB free.
I believe I can see... (4 Replies)
I am running a Dell PE R815 with 4 x AMD 12 core CPUs with 128GB of RAM and a RAID 5 array of 6 SAS disks. This is an HPC application and is definitely CPU bound, however once I run 16 of these processes (thus pinning 16 cores) the work performed slows down dramatically, to maybe 5 or 10% of what... (2 Replies)
Hi Guys,
I need to write a script capable of identifying when a high cpu utilitzation process. It sounds simple but we are on a AIX 5.3 environment with Virtual CPU's (VP's) and logical CPU's. Please any ideas or tips would be highly appreciated. Thanks.
Harby. (6 Replies)
Hi All,
Yesterday my Linux server went panic and even a small command took a lot of time to run.
When i monitored pl find the below output
Cpu(s): 0.1%us, 98.4%sy, 0.0%ni, 1.5%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
the time spent on kernel mode is 98 % and also idle time is around 1.5 %...... (4 Replies)
Hi,
I can't seem to make sense of this. My wait time is showing really high but vmstat's and topas are showing normal usage.
ps aux
USER PID %CPU %MEM SZ RSS TTY STAT STIME TIME COMMAND
root 9961810 5680.7 0.0 448 384 - A Dec 16 6703072:12 wait
... (2 Replies)
Dear All,
One production Server is affected by high usage.
Application is slow now. Please guide me how to solve it?
NMON Report shows full cpu usage.
Here im posting some server details.
bash-3.2# lparstat -i
Node Name : *********
Partition Name ... (6 Replies)
I have created one script and i have added it into cron to run after 10 mins. However I have noted that whenever that script runs, It causes CPU utilization of server to increase about 10-20 %
I have rechecked script and there is no way i can make changes, Script contain only 2-3 commands. So... (4 Replies)
HI
In my M5000 , one of domain is having SAp installed. from today onwards we are facing some stange issue.
when we start SAP application, that particular user is taking 95 % of system CP and renaming 5 % is taken by system . because of this reason application is slow.
i have 4 CPU(32... (4 Replies)
Discussion started by: bentech4u
4 Replies
LEARN ABOUT CENTOS
grub2-file
GRUB-FILE(1) General Commands Manual GRUB-FILE(1)NAME
grub-file -- Check if FILE is of specified type.
SYNOPSIS
grub-file (--is-i386-xen-pae-domu | --is-x86_64-xen-domu |
--is-x86-xen-dom0 | --is-x86-multiboot |
--is-x86-multiboot2 | --is-arm-linux | --is-arm64-linux |
--is-ia64-linux | --is-mips-linux | --is-mipsel-linux |
--is-sparc64-linux | --is-powerpc-linux | --is-x86-linux |
--is-x86-linux32 | --is-x86-kfreebsd | --is-i386-kfreebsd |
--is-x86_64-kfreebsd | --is-x86-knetbsd |
--is-i386-knetbsd | --is-x86_64-knetbsd | --is-i386-efi |
--is-x86_64-efi | --is-ia64-efi | --is-arm64-efi |
--is-arm-efi | --is-hibernated-hiberfil | --is-x86_64-xnu |
--is-i386-xnu | --is-xnu-hibr | --is-x86-bios-bootsector)
FILE
DESCRIPTION
grub-file is used to check if FILE is of a specified type.
OPTIONS --is-i386-xen-pae-domu
Check if FILE can be booted as i386 PAE Xen unprivileged guest kernel
--is-x86_64-xen-domu
Check if FILE can be booted as x86_64 Xen unprivileged guest kernel
--is-x86-xen-dom0
Check if FILE can be used as Xen x86 privileged guest kernel
--is-x86-multiboot
Check if FILE can be used as x86 multiboot kernel
--is-x86-multiboot2
Check if FILE can be used as x86 multiboot2 kernel
--is-arm-linux
Check if FILE is ARM Linux
--is-arm64-linux
Check if FILE is ARM64 Linux
--is-ia64-linux
Check if FILE is IA64 Linux
--is-mips-linux
Check if FILE is MIPS Linux
--is-mipsel-linux
Check if FILE is MIPSEL Linux
--is-sparc64-linux
Check if FILE is SPARC64 Linux
--is-powerpc-linux
Check if FILE is POWERPC Linux
--is-x86-linux
Check if FILE is x86 Linux
--is-x86-linux32
Check if FILE is x86 Linux supporting 32-bit protocol
--is-x86-kfreebsd
Check if FILE is x86 kFreeBSD
--is-i386-kfreebsd
Check if FILE is i386 kFreeBSD
--is-x86_64-kfreebsd
Check if FILE is x86_64 kFreeBSD
--is-x86-knetbsd
Check if FILE is x86 kNetBSD
--is-i386-knetbsd
Check if FILE is i386 kNetBSD
--is-x86_64-knetbsd
Check if FILE is x86_64 kNetBSD
--is-i386-efi
Check if FILE is i386 EFI file
--is-x86_64-efi
Check if FILE is x86_64 EFI file
--is-ia64-efi
Check if FILE is IA64 EFI file
--is-arm64-efi
Check if FILE is ARM64 EFI file
--is-arm-efi
Check if FILE is ARM EFI file
--is-hibernated-hiberfil
Check if FILE is hiberfil.sys in hibernated state
--is-x86_64-xnu
Check if FILE is x86_64 XNU (Mac OS X kernel)
--is-i386-xnu
Check if FILE is i386 XNU (Mac OS X kernel)
--is-xnu-hibr
Check if FILE is XNU (Mac OS X kernel) hibernated image
--is-x86-bios-bootsector
Check if FILE is BIOS bootsector
SEE ALSO
info grub
Web Feb 26 2014 GRUB-FILE(1)