1. UNIX for Advanced & Expert Users

Hello, everyone: i encounter a problem these days , pls help me ,thanks in advance. my env: machine: ES40 A ES40 B os: true64 Unix 4.0f note: src.tar 8M network card speed 100M my problem: ... (3 Replies)

2. Shell Programming and Scripting

Hi, Is there a way I can extract my data faster. You know my data is 1.2 GB text file with 8Million rows with 38 columns/fields. Imagine how huge this is. How I can optimized the data extraction using perl. That is why I'm creating a script to filter only those informations that I need. Is... (3 Replies)

3. UNIX for Advanced & Expert Users

Need to make a very fast file existence checker. Passing in 20-50K num of files In the code below ${file} is a file with a listing of +20,000 files. test_speed is the script. I am commenting out the results of <time test_speed try>. The normal "test -f" is much much too slow when a system... (2 Replies)

4. Shell Programming and Scripting

I have a script that processes a fair amount of data -- say, 25-50 megs per run. I'd like ideas on speeding it up. The code is actually just a preprocessor -- I'm using another language to do the heavy lifting. But as it happens, the preprocessing takes much more time than the final processing... (3 Replies)

5. Filesystems, Disks and Memory

I analysed disk performance with blktrace and get some data: read: 8,3 4 2141 2.882115217 3342 Q R 195732187 + 32 8,3 4 2142 2.882116411 3342 G R 195732187 + 32 8,3 4 2144 2.882117647 3342 I R 195732187 + 32 8,3 4 2145 ... (1 Reply)

6. Shell Programming and Scripting

I have some sample code that's supposed to ssh to another machine using Net::SSH::Perl, execute a command, and print the output of that command. It's very basic, and it works. However, I noticed that upon logging in: $ssh->login('username','password'); It takes roughly 10-13 seconds to... (2 Replies)

7. Shell Programming and Scripting

Hi, Im quite new to scripting and would like a bit of assistance with trying to speed up the following script. At the moment it is quite slow.... Any way to improve it? total=111120 while do total=`expr $total + 1` INCREMENT=$total firstline = "blablabla" secondline = "blablabla"... (5 Replies)

8. Shell Programming and Scripting

hey guys i have a perl script wich use to compare hashes but it tookes a long time to do that so i wich i will have the soulition to do it soo fast he is the code <redacted> (1 Reply)

9. Solaris

I have "inherited" a OmniOS (illumos based) server. I noticed rsync is significantly slower in respect to my reference, FreeBSD 12-CURRENT, running on exactly same hardware. Using same hardware, same command with same source and target disks, OmniOS r151026 gives: test@omniosce:~# time... (11 Replies)