performance issue

Thread Tools Search this Thread
Top Forums Shell Programming and Scripting performance issue
# 1  
Old 03-03-2008
Error performance issue

I want to read a file.
is it good to use File I/O or shell script??
which one is the best option?
# 2  
Old 03-03-2008
file input / output - ( fopen and fclose )
are the minimum granularity of reading a file.

Even if shell script is used, internally fopen and fclose are used without the conscious of the user. They are available as implementation abstraction to the user so that user don't have to worry about the file operations instead could think about the application logic alone
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Red Hat

Performance issue in Linux

IN solaris, for network high-availability we are using IPMP concept, can u tell me in REDHAT LINUX what we are using... also pls share good step to read & understand the that concept... Also performance issue in linux what are step & cmd can u tell me??? (2 Replies)
Discussion started by: tiger09
2 Replies

2. AIX

Performance issue

Hi We have an AIX5.3 server with application which is written in C. We are facing server (lpar) hangs intermediately. If we open new telnet window prompts for user and takes hell of a time to authenticate, not only that if we run ps -aef then also it takes lot of time. surprisingly there is no... (2 Replies)
Discussion started by: powerAIX
2 Replies

3. AIX

Performance issue

Hi, We have 2 lpars on p6 blade. One of the lpar is having 3 core cpu with 5gb memory running sybase as database. An EOD process takes 25 min. to complete. Now we have an lpar on P7 server with entitled cpu capacity of 2 with 16 Gb memory and sybase as database. The EOD process which takes... (17 Replies)
Discussion started by: vjm
17 Replies

4. UNIX for Dummies Questions & Answers

Performance issue

hi I am having a performance issue with the following requirement i have to create a permutation and combination on a set of three files such that each record in each file is picked and the output is redirected in a specific format but it is taking around 70 odd hours to prepare a combination... (7 Replies)
Discussion started by: mad_man12
7 Replies

5. Shell Programming and Scripting

Performance issue or something else?

Hi All, I have the following script which I use in Nagios to check the health of the applications, the problem with it is that the curl part ($TOTAL) does not return anything after running for 2-3 hrs, even though from command line the script runs fine but not from Nagios. There are 17... (1 Reply)
Discussion started by: jacki
1 Replies

6. Solaris

Performance issue

Hi Gurus, I am beginner in solaris and want to know what are the things we need to check for performance monitoring on our solairs OS. for DISK,CPU and MEMORY. Also how we do ipforwarding in slaris Many thanks for your help Pradeep P (4 Replies)
Discussion started by: ppandey21
4 Replies

7. UNIX for Advanced & Expert Users

Performance issue!

In my C program i am using very large file(approx 400MB) to read parts of it frequently. But due to large file the performance of the program goes down very badly. It shows very high I/O usage and I/O wait time. My question is, What are the ways to optimize or tune I/O on linux or how i can get... (10 Replies)
Discussion started by: mavens
10 Replies

8. UNIX for Advanced & Expert Users

performance issue

Hi, on a linux server I have the following : vmstat 2 10 procs memory swap io system cpu r b w swpd free buff cache si so bi bo in cs us sy id 0 4 0 675236 39836 206060 1617660 3 3 3 6 8 7 1 1 ... (1 Reply)
Discussion started by: big123456
1 Replies

9. AIX

performance issue

We have a AIX v5.3 on a p5 system with a poor performing Ingres database. We added one CPU to the system to see if this would help. Now there are two CPU's. with sar and topas -P I see good results: CPU usage around 30% with topas I only see good results in the process output screen, the... (1 Reply)
Discussion started by: rein
1 Replies

10. UNIX for Advanced & Expert Users

Performance issue

Hello all, I just stuck up in an uncertain situation related to network performance... I am trying to access one of my remote client unix machine from a distant location.. The client machine is Ultra-5_10 , with SunOS 5.5.1 The ndd result ( hme1 )shows that the machine is hooked to a... (5 Replies)
Discussion started by: shibz
5 Replies
Login or Register to Ask a Question