can someone tell me a good site to go to in order to learn this. please do not recommen nay books because i dont have interest in that. if you know of any good sites with good straight forward explanation on how to split loads on machines that has excessive loading, please let me know
Also,... (1 Reply)
Hi all,
long time ago I posted something, but now, it is needed again :(
Currently, I am handling with a big NFS Server for more than 200 clients, this sever has to work with 256 NFSDs. Because of this huge amount of NFSDs, there are thousands of small write accesses down to the disk and... (3 Replies)
Hi to all,
I'm interested in finding an introduction about Performance Tuning under Unix (or Linux); can somebody please point me in the right direction?
Best regards (1 Reply)
Sorry,
This is out of scope of this group.But I require the clarification pretty urgently.
My Oracle database is parallely enabled.
Still,in a particular table queries do not work "parallely" always.
How is this? (9 Replies)
Hi All,
In last one week, i have posted many questions in this portal. At last i am succeeded to make my 1st unix script.
following are 2 points where my script is taking tooooo long.
1. Print the total number of records excluding header & footer. I have found that awk 'END{print NR -... (2 Replies)
Hi all,
From Googling, I found that the basics used for troubleshooting UNIX/AIX performance issues are commands like vmstat, iostat and sar. I believe these are generic commands regardless of what UNIX flavour is in used, only difference being is the format of the output.
In a real case... (2 Replies)
Please take a look at this system and give your analysis / advice. Can it be tuned to get a better performance?
We are not getting more hardware ressources at the moment.
We have to live with what we have. Application running on the system is SAS. OS is AIX 6.1
Let me know if you need output of... (7 Replies)
Dear all,
I have a Local zone , where users feel that performance is not good.
Is it wise to collect the inputs from the local zone rather than taking from the global zone.
And also Can I tune from Global zone , so that it will reflect in local zone.
Rgds
rj (2 Replies)
Overview:
Introduction
What Does Success Mean?
What Does Performance Mean?
Every Picture is Worth a Thousand Words
Work Like a Physicist
Work Like You Walk - One Step at a Time
Learn to Know Your System
Choose Your Weapons!
Tools of the Trade 1 - vmstat
A Little Theory Along the Way -... (1 Reply)
Discussion started by: bakunin
1 Replies
LEARN ABOUT NETBSD
tr
TR(4) BSD Kernel Interfaces Manual TR(4)NAME
tr -- TROPIC based shared memory Token-Ring cards device driver
SYNOPSIS
tr0 at isa? port 0xa20 iomem 0xd800 irq ?
tr* at isa? port ? irq ?
tr* at isapnp?
tr* at mca? slot ?
tr* at pcmcia? function ?
DESCRIPTION
The tr device driver supports TROPIC I based shared-memory Token-Ring cards.
HARDWARE
Supported cards include the following IBM and 3Com models:
IBM Token-Ring Network PC Adapter
IBM Token-Ring Network PC Adapter II
IBM Token-Ring Network Adapter/A
IBM Token-Ring Network 16/4 Adapter
IBM Token-Ring Network 16/4 Adapter/A
IBM Token-Ring 16/4 Credit Card Adapter
IBM Token Ring Auto 16/4 Credit Card Adapter
IBM Turbo 16/4 Token Ring PC Card
IBM 16/4 ISA Adapter
IBM Auto 16/4 Token-Ring ISA Adapter
IBM Token Ring 16/4 Credit Card Adapter
IBM Token Ring Auto 16/4 Credit Card Adapter
IBM Turbo 16/4 Token Ring PC Card
3Com 3C619 TokenLink
3Com 3C319 TokenLink Velocity
3Com 3C389 TokenLink Velocity PC Card
SOURCE ROUTING
Setting IFF_LINK0 enables Token-Ring source routing. Setting IFF_LINK1 uses all-routes broadcasts otherwise single-route broadcasts are
used.
NOTES
The MCA attachment has been only tested on IBM Token Ring 16/4 Adapter/A so far. It doesn't support ifmedia(4) yet, too.
SEE ALSO ifmedia(4), intro(4), isa(4), isapnp(4), mca(4), pcmcia(4), ifconfig(8)HISTORY
The tr driver appeared in NetBSD 1.4.
BUGS
The PCMCIA attachment does not work with the cbb(4) CardBus driver.
BSD April 14, 1999 BSD
02-27-2019
