05-20-2011
Quote:
Originally Posted by
Corona688
Let me put it this way: What function does leaving them down perform for you? Does restarting them prevent you from debugging them?
Well, like I said, everything is in a pool, behind a load balancer. An app that fails is a broken app. Maybe it was just a glitch and a restart would remedy it, but "maybe" it's not. Maybe the app on that host is actually broke. If you restart it, the load balancer will continue to send traffic to it and those customers will be affected. To me that's a huge negative.
jim mcnamera said "sysadmins push for maximal uptime. This is what they are paid for". Where I work it's all about SLA's. If I'm sending customers to a malfunctioning node (or worse, sending the SLA monitor to a malfunctioning node) we take a hit on SLA. Big no-no here. So, yes, uptime is what we're paid for, but uptime for the service, not for the individual services running behind it. Plus, what if you had an app that crashes once a day but you autorestart it, resulting in 99.99% uptime. Would you seriously consider that a success?
MG
9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Does anyone have an example of a ksh script that executes a Sybase stored procedure, via the ISQL command, and can detect a deadlock and loop until the process completes successfully? I'm a little confused on where to start.
Thanks in advance for any assistance you can provide. (0 Replies)
Discussion started by: BCarlson
0 Replies
2. Linux
I know how to add an apps to auto-start in GUI, but I'd like to know how to do it mannualy. So where is the file saved to by GUI ? (1 Reply)
Discussion started by: honglus
1 Replies
3. HP-UX
Hi All,
May i please know if it is possible to write a script to check the log messages and automatically restart a service if it is failed or it is stopped.
Appreciate your suggestions.
Thanks in advance.
regards,
Eajaz (2 Replies)
Discussion started by: ajazshariff
2 Replies
4. Shell Programming and Scripting
I have a service that are not 100% stable and stops from time to time.
So I have a script that do restart the service if it does not run.
This script works win on Ubuntu 9.04 but will not start the service in Ubuntu 10.10
If I run the part that do starts the service from CLI, it starts... (2 Replies)
Discussion started by: Jotne
2 Replies
5. AIX
hello,
i have an AIX6.1.7.2 machine that it was upgraded recently from AIX5.3.9.4.
when i kill system services that should restart automatically like /usr/sbin/cron it doesnt start.
i checked my /etc/inittab file and i confirmed that this service is in respawn status so when i kill this process... (2 Replies)
Discussion started by: omonoiatis9
2 Replies
6. Shell Programming and Scripting
Hi Guys,
I need bash script to restart the service.
1. Disable the service called SASM
svcadm disable sasm
2. if service went to maintenance mode then it shuld clear it with below command
svcadm clear sasm
3.or else it should restart the mysql service
/etc/init.d/mysql stop... (1 Reply)
Discussion started by: bapu1981
1 Replies
7. Red Hat
I had a doubt if any services need to be restarted if port no in /etc/services in an RHEL setup is changed. For eg, the port no of 443 for SSL may need to be changed.
I hope my query is clear whether any services need to be restarted if port no in /etc/services is changed.
Please revert with... (10 Replies)
Discussion started by: RHCE
10 Replies
8. Shell Programming and Scripting
I want the tomcat to restart when java goes 100% cpu utilize and remain on this , Get pid kill and start tomcat .
top | grep java
We can get pid and cpu utilize , But how can we do on run time.
Please use code tags as required by forum rules! (1 Reply)
Discussion started by: kaushik02018
1 Replies
9. Debian
Hello,
I would like to do follow steps.
Set a static IP-Adress on eth0 (For Testing)
Set DHCP on eth0
All steps should be done without a single reboot.
/etc/network/interfaces
iface eth0 inet static
address 192.0.2.7/24
gateway 192.0.2.254How do i perform... (3 Replies)
Discussion started by: int3g3r
3 Replies
UPTIME(1) User Commands UPTIME(1)
NAME
uptime - Tell how long the system has been running.
SYNOPSIS
uptime [options]
DESCRIPTION
uptime gives a one line display of the following information. The current time, how long the system has been running, how many users are
currently logged on, and the system load averages for the past 1, 5, and 15 minutes.
This is the same information contained in the header line displayed by w(1).
System load averages is the average number of processes that are either in a runnable or uninterruptable state. A process in a runnable
state is either using the CPU or waiting to use the CPU. A process in uninterruptable state is waiting for some I/O access, eg waiting for
disk. The averages are taken over the three time intervals. Load averages are not normalized for the number of CPUs in a system, so a
load average of 1 means a single CPU system is loaded all the time while on a 4 CPU system it means it was idle 75% of the time.
OPTIONS
-p, --pretty
show uptime in pretty format
-h, --help
display this help text
-s, --since
system up since, in yyyy-mm-dd HH:MM:SS format
-V, --version
display version information and exit
FILES
/var/run/utmp
information about who is currently logged on
/proc process information
AUTHORS
uptime was written by Larry Greenfield <greenfie@gauss.rutgers.edu> and Michael K. Johnson <johnsonm@sunsite.unc.edu>
SEE ALSO
ps(1), top(1), utmp(5), w(1)
REPORTING BUGS
Please send bug reports to <procps@freelists.org>
procps-ng December 2012 UPTIME(1)