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Full Discussion: AIX performance
Top Forums UNIX for Dummies Questions & Answers AIX performance Post 302071988 by chlawren on Wednesday 26th of April 2006 08:27:26 AM
Old 04-26-2006
AIX performance

Hiya all,

I am a newbie sysadmin to AIX, i have worked on HPUX for 3 years.

I have started a new role with in an IBM house and because there is me and one other there are a couple of issues I cannot work out:

We havehad a production server slowing down processing batch jbs over the past few nights - I have checked many things such as nmon stats, vmstats top procs and general performance from the machine.

We are getting hit by hit wait times in vmstat throughout the evening and know of certain jobs that run (business critical jobs) These are runniing up to 4hours longer.

Can you tell me the best way to monitor jobs / process etc so I can tell the "BOSS" what is causing the issues.

The main problem is that developers run queries to DB's on the server which we are currently running through a process to stop this.

any info will be helpful

Thanks in advance
 

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SYSADMIN(1)						      General Commands Manual						       SYSADMIN(1)

NAME
sysadmin - responsible for everything imaginable that may or may not have to do with the system you're using. Contraction of "system" and "administrator" SYNOPSIS
sysadmin [-ab] [-cd] [-ef] etc...... DESCRIPTION
sysadmin takes care of everything, is generally harangued, must be supplied with coffee, chocolate, and alcohol in order to function prop- erly, cannot be exposed to direct sunlight, and must not be allowed to have a life. sysadmin is not intended as a user interface routine; other programs provide user-friendly front ends; sysadmin is used by everyone who can track him [her] down. With no flags, sysadmin reads its standard input up to an EOF, or a line which sysadmin wishes to parse, and then proceeds to ignore it entirely and read news all day. When invoked with the -w option, sysadmin reads standard input and responds according to terms of job description. OPTIONS
-bofh Go into Bastard Operator From Hell mode. This option causes sysadmin to use tools stored in the /usr/lib/bofh directory to parse the standard input and route user tasks appropriately. -cd causes sysadmin to become caffeine-deprived, resulting in system slowdowns. -b causes the sysadmin to function normally while augmenting the standard input with beer(5). Can be used with the -t option as well, depending upon which version of sysadmin you are running. -t causes the sysadmin to smoke tobacco, which can result in significant performance improvement, provided you are running the correct version of sysadmin. -Cfile Specify an alternate configuration file (sysadmin.cf is the standard). -dX set debuggin value to X. -fFullname Set the full name of the sysadmin. -Bf Create the sysadmin.cf configuration freeze file. -lname Sets the name of the "luser" person (that is, originator of a given request). -l can only be used by "trusted" users (who are listed in sysadmin.cf). NOTES
The -t option should not be used with a version of sysadmin which is not capable of parsing tobacco input. Though the functionality of this command may seem similar to the -b option, it should not be confused with that or the related -c option. 25 September 1995 SYSADMIN(1)
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