1. UNIX for Advanced & Expert Users

Hello ! I have a problem with an apache process that is causing huge load. It starts from time to time - I'm not sure what is making it start beacause there's nothing in cron, but it appears every few minutes - and when it starts is uses a lot of RAM (up to 1.3GB) and create a huge load on... (1 Reply)

2. Shell Programming and Scripting

Hi, I have two files file A and File B. File A is a error file and File B is source file. In the error file. First line is the actual error and second line gives the information about the record (client ID) that throws error. I need to compare the first field (which doesnt start with '//') of... (11 Replies)

3. UNIX for Dummies Questions & Answers

Hi, As per my requirement, I need to take difference between two big files(around 6.5 GB) and get the difference to a output file without any line numbers or '<' or '>' in front of each new line. As DIFF command wont work for big files, i tried to use BDIFF instead. I am getting incorrect... (13 Replies)

4. UNIX for Advanced & Expert Users

Hi , i need a fast way to delete duplicates entrys from very huge files ( >2 Gbs ) , these files are in plain text. I tried all the usual methods ( awk / sort /uniq / sed /grep .. ) but it always ended with the same result (memory core dump) In using HP-UX large servers. Any advice will... (8 Replies)

5. High Performance Computing

we have one file (11 Million) line that is being matched with (10 Billion) line. the proof of concept we are trying , is to join them on Unix : All files are delimited and they have composite keys.. could unix be faster than Oracle in This regards.. Please advice (1 Reply)

6. Shell Programming and Scripting

Hi, all: I've got two folders, say, "folder1" and "folder2". Under each, there are thousands of files. It's quite obvious that there are some files missing in each. I just would like to find them. I believe this can be done by "diff" command. However, if I change the above question a... (1 Reply)

7. AIX

Hi All what is the command to check process ids , which are running from long time and which are consuming more cpu? Also how to check, what a particular PID is running what For Ex: i have a pid :3223722 which is running since from long time, if i want to check what is this... (1 Reply)

8. AIX

Dear Guy’s By using dd command or any strong command, I’d like to copy huge data from file system to another file system Sours File system: /sfsapp File system has 250 GB of data Target File system: /tgtapp I’d like to copy all these files and directories from /sfsapp to /tgtapp as... (28 Replies)

9. Shell Programming and Scripting

Hi all, I need help on getting difference between 2 .csv files. I have 2 large . csv files which has equal number of columns. I nned to compare them and get output in new file which will have difference olny. E.g. File1.csv Name, Date, age,number Sakshi, 16-12-2011, 22, 56 Akash,... (10 Replies)

10. Shell Programming and Scripting

Hi Friends !! I am facing a hash total issue while performing over a set of files of huge volume: Command used: tail -n +2 <File_Name> |nawk -F"|" -v '%.2f' qq='"' '{gsub(qq,"");sa+=($156<0)?-$156:$156}END{print sa}' OFMT='%.5f' Pipe delimited file and 156 column is for hash totalling.... (14 Replies)