05-21-2008
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
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)
Discussion started by: TRUEST
1 Replies
2. UNIX for Dummies Questions & Answers
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)
Discussion started by: domyalex
1 Replies
3. UNIX for Advanced & Expert Users
Does anyone had perfomed a tuning with SAS on Solaris???
Performance is not so good and I found out that Share Memory an Semaphores are the same that initial instalation, I havent found info at internet
Please help (1 Reply)
Discussion started by: alex blanco
1 Replies
4. UNIX for Advanced & Expert Users
Hi
I am trying to investigate a disk performance issue, and we are not seem to be hitting the right direction in our analysis.
This is a FC disk running on USP1000 HDS system. The application is an IO intensive application, but our opinion is that it is not performing due to perceived disk... (1 Reply)
Discussion started by: theerthan
1 Replies
5. Shell Programming and Scripting
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)
Discussion started by: Amit.Sagpariya
2 Replies
6. Web Development
We have been tuning MySQL lately and I ran accoss two useful tools that you might be interested in:
mysqltuner.pl
tuning-primer.sh
Both of these scripts are quite useful for MySQL tuning. Here is some sample output of mysqltuner.pl
>> MySQLTuner 0.9.8 - Major Hayden... (3 Replies)
Discussion started by: Neo
3 Replies
7. Web Development
Hi Friends, This regarding tuning apache. I am running 100+ LAMP on VPS. But few of them are crashing becoz it reaches to the MaxClient Limit. I thought of Tuning. Here are the specs:
OS: OpenSuse 10
Apache: Apche/2.2.8
PHP: PHP 5.x
RAM: 1GB
Assuming 80% of it has been occupied by... (6 Replies)
Discussion started by: r00t4u
6 Replies
8. AIX
is it a good practice to enable AIO (Async I/O) and mount the oracle file system with DIO with JFS2 (Direct I/O) option?
please help (3 Replies)
Discussion started by: pchangba
3 Replies
9. Shell Programming and Scripting
This is my function in UNIX file. In this function I am
-> first replacing spaces in character 19-27 with 0
-> then if it's all zeros ( 9 zeros) replace it with space
The reason I have to make it to 0 first is that my requirement is that if this field is having value of 0 , replace it... (4 Replies)
Discussion started by: varunrbs
4 Replies
10. Solaris
Hi all, I would like to tune the nxge card as suggested by this link, but got some confusion. Can anyone advise me ?
We have
SunOS hsbc02 5.10 Generic_137137-09 sun4v sparc SUNW,Netra-CP3260
Do I have to install any patches ?
The tunning link
Networks - Siwiki
In our nxge.conf, I... (0 Replies)
Discussion started by: dehetoxic
0 Replies
LEARN ABOUT HPUX
max_thread_proc
max_thread_proc(5) File Formats Manual max_thread_proc(5)
NAME
max_thread_proc - defines the maximum number of concurrent threads allowed per process.
VALUES
Failsafe
Default
Allowed values
Recommended values
DESCRIPTION
is a dynamic tunable that limits the maximum number of threads allowed per process on the system. When tuning the maximum number of
threads allowed per process will be the new value of No process will be able to create new threads such that the total count of its threads
exceeds
Who is Expected to Change This Tunable?
System administrators that run applications on their systems requiring a high number of threads per process.
Restrictions on Changing
The effect of tuning on existing processes is undefined. However, existing threads will not be effected.
When Should the Value of This Tunable Be Raised?
The value of should be raised if there is a need to run an application that requires a higher number of threads per process than what is
currently set to accommodate. Also, if thread creation fails with the value of then it could indicate that the has been reached. However,
reaching is not the only reason why a thread creation could fail with may be returned if the system tunable has been reached or memory on
the system is exhausted.
What Are the Side Effects of Raising the Value?
A group of processes may be able to exhaust the system wide limit of threads on the system.
When Should the Value of This Tunable Be Lowered?
If you feel that it is necessary to limit the number of threads allowed per process.
What Are the Side Effects of Lowering the Value?
Some applications which need a high number of threads may behave differently or fail to operate.
What Other Tunable Values Should Be Changed at the Same Time?
You may want to look at the value of
WARNINGS
All HP-UX kernel tunable parameters are release specific. This parameter may be removed or have its meaning changed in future releases of
HP-UX.
Installation of optional kernel software, from HP or other vendors, may cause changes to tunable parameter values. After installation,
some tunable parameters may no longer be at the default or recommended values. For information about the effects of installation on tun-
able values, consult the documentation for the kernel software being installed. For information about optional kernel software that was
factory installed on your system, see at
AUTHOR
was developed by HP.
SEE ALSO
nkthread(5).
Tunable Kernel Parameters max_thread_proc(5)