Dreams of life.....!!!!

LoadRunner Actions, Transactions and Run Time Settings

2010-02-20T20:03:00.000+05:30

Dear reader, today it time to move ahead and learn something more about LoadRunner. Today we will be learning about Actions, Transactions and Run Time Settings which plays the crucial role in Performance Testing with LoadRunner...so lets start :) Actions An Action is a function in LoadRunner which contains the scripts generated after a recording is done. In Vugen, for any new script, there

Basics of LoadRunner

2010-02-19T21:33:00.001+05:30

Today I am going to share some basics about the Performance Testing Tool i.e. LoadRunner. This tool is having 77% market share in the Load Testing market worldwide. This shows the need for a Performance Tester to know about this beautiful tool. So here we go.... About LoadRunner It is a complete solution for conducting automated load testing for an application. It is an industry standard tool

How to Enable Cores dumps on UNIX systems

2009-12-24T19:07:00.002+05:30

# ulimit -cThis command shows if your system can create a core dump. If it returns a 0 you need to run the next command.# ulimit -c unlimitedThis command allows the core files to be generated with an unlimited size. If disk space is a concern you can replace unlimited with the maximum size that is desired for core files. The value is specified in 1 kb increments.For Example:# ulimit -c 1024

How to modify Kernel parameters using the sysctl

2009-12-24T19:00:00.003+05:30

You will see all the possible parameters using# sysctl -a For Example :# sysctl -a kernel.panic = 0 kernel.core_uses_pid = 0 kernel.core_pattern = core kernel.tainted = 129To list all variables that start with "vm."# sysctl vmTo modify the kernel parameters, use following syntax:sysctl -w variable=valueFor Example:# sysctl -w kernel.core_pattern=/var/opt/cores/core.%e.%pCheck what value is set

service syslog restart on Solaris

2009-12-24T18:56:00.000+05:30

# pkill -9 syslogd# svcadm restart svc:/system/system-log:default# svcadm disable svc:/system/system-log:default# svcadm enable svc:/system/system-log:default

ip_conntrack: table full, dropping packet.

2009-12-24T18:46:00.003+05:30

Most of you might have faced "ip_conntrack: table full, dropping packet." errors on Linux system. You will see these errors in "dmesg" output.printk: 260 messages suppressed.ip_conntrack: table full, dropping packet.printk: 212 messages suppressed.ip_conntrack: table full, dropping packet.printk: 229 messages suppressed.Here is the solution to you problem:Errors are occurring because you have

How to snoop on Solaris

2009-12-24T18:39:00.002+05:30

Guys, play with snoop on Solaris in different formats:snoop -o test.pcap -x 54 port 80snoop port 5995snoop -x56 port 80snoop -v -o /tmp/ipv6.pacp -d e1000g0 port 80snoop -o /tmp/driver.cap -ta port 80You can also open the *.pcap or *.cap file in Wireshark and find the transaction flow and each transaction details in Wireshark.

How to disable Processors on MultiCore Solaris or Linux Systems

2009-12-01T23:34:00.003+05:30

Enable or Disable CPU on MultiCore Solaris Machine:# psrinfo0 on-line since 11/02/2009 19:41:32where 0 is the processor ID.Disable a Processor# psradm -f 0where ‘0′ is the processor ID and ‘-f’ indicates the processor is taken CPU offline (disable)Enable a Processor# psradm -n 0where ‘0′ is the processor ID and ‘-n’ indicates the processor is brought CPU online (enable)Enable or Disable

How to remove package from Solaris machine

2009-12-01T23:23:00.004+05:30

1. Go to this directory on solaris machinecd /var/sadm/pkg2. find the package to be removed forcefullydo therm -rf pkg_nameHere is the small script which will remove pkg_name* packages from system in one shot:# for pkg in `pkginfo | grep -i pkg_name| awk '{print $2}'`;do rm -rf /var/sadm/pkg/$pkg; done

How to setup SSH on Linux

2009-12-01T23:16:00.002+05:30

When login from Solaris to Linux via SSH , Linux asks passwordhere is the way login to Linux without passwordOn Solaris (Solaris Node : ex-dev.test.com)#cd /.ssh#ssh-keygen -t rsaGenerating public/private rsa key pair.Enter file in which to save the key (//.ssh/id_rsa):Enter passphrase (empty for no passphrase): -> (enter)Enter same passphrase again: -> (enter)Your

Performance Testing Tools

2009-05-17T14:12:00.002+05:30

Some of the OpenSource and Commercial Tools For Performance Testing :For Web Testing (http/https protocol) ---------------------------------------------------- 1. Open Source a. JMeter b. OpenSTA c. Grinder d. Webload (only http) 2. Commercial tool a. Webload b. Silk c. Loadrunner d. Neoload RMI, Oracle NCA kind of protocol -------------------------------------

vmstat - Virtual Memory Statistics

2009-05-17T13:53:00.002+05:30

How Linux/UNIX system is performs, how to know this...The answer is "vmstat". Lot of people just checks for CPU and memory utilization statistics in vmstat. But in real, it gives more information that just CPU and memory information. Check following details of vmstat:vmstat stands for virtual memory statistics; it collects and displays summary information about memory, processes, interrupts,

Performance BenchMarking Parameters

2009-04-23T01:26:00.002+05:30

Here are some of the Performacne parameters that we usually use while BenchMarking any system. Please note that these are just the reference points. These thing may vary according to the system or the products being BenchMarked.Logical Disk/Physical Disk \%idle ? 100% idle to 50% idle = Healthy ? 49% idle to 20% idle = Warning or Monitor ? 19% idle to 0% idle = Critical or Out of Spec \%Avg. Disk

Performance Testing Process/Phases

2009-04-22T23:51:00.001+05:30

Performance testing is testing that is performed to determine how fast some aspect of a system performs under a particular workload. To become a successful Performance Engineer one should haveBasic concept of how things work (HTTP, Network, LB, Web Server, App server, DB server, LDAP, SSL Accelerator etc.,)Eagerness to learn thingspatienceIn sting (list continues based on what you do)PurposeCheck

Maximizing Your Online Income With Google Adsense

2008-05-14T15:44:00.002+05:30

Author: Christoph Puetz When it comes to making money as a publisher from Google Adsense, some webmasters have difficulties getting their ad displays right and therefore leave a lot of money on the table.Google Adsense is by far is the most popular contextual advertising program used by online publishers worldwide. Adsense has variety of revenue generating products starting from Pay per click ads

3 Tips to Getting Internet Traffic to Your Blog Website

2008-05-14T15:39:00.001+05:30

Everybody has a blog. No matter the topic or discussion someone has got it covered. From online diaries in the mid nineties to becoming one of the foundations of the internet, blogging along with video and social bookmarking is changing not only how we get our information but also the manner in which online business is conducted. This is why it would be a good idea for you incorporate blogging

Perl - PRACTICAL EXTRACTION AND REPORT LANGUAGE

2007-12-09T14:45:00.000+05:30

What Is PERL...?????? Perl is a stable, cross platform programming language. It is used for mission critical projects in the public and private sectors and is widely used to program web applications of all needs.Perl is dynamic programming language created by Larry Wall and first released in 1987. Perl borrows features from a variety of other languages including C, shell scripting

My First Project

2007-10-19T12:04:00.000+05:30

While working in PSPL....I got my first project...its Network Simulation using NS2Working withNS2 was good experience...!!While working on this project I faced many problems...so here are some tips/links for the beginners if they face any problems.NS2 official site where you'll get everything about this tool.http://www.isi.edu/nsnam/NS2 Tutorial by Mark Greis....Good for new comershttp://

तुझ्या नंतर मी आता दुसरी मुलगी शोधतो आहे

2007-04-19T21:08:00.001+05:30

एक वर्षभर माझ्यावर केलेल्या प्रेमाबद्दलआभार तुझे मानतो आहेतुझ्या नंतर मी आतादुसरी मुलगी शोधतो आहेतु सुद्धा आतादुसरा कुनी शोधला असशीलरोज रोज त्यालामाझ्यासारखा पिळला असशीलतुला माहीत आहेप्रेमासाठी किती STRUGGLE करावा लागतोएका मुलीला पटवायलाकिती घाम गाळावा लागतोतुला लिहीलेल्या प्रेमपत्रांचीआजही आठवन ताजी आहेपुढचे प्रेम करायलामला त्यांची गरज आहेआपल्या प्रेमापायी तुला दिलेलेसर्व GIFT सुद्धा हवे

Me as an Engineer.....!!!!

2007-04-15T00:00:00.000+05:30

After securing good marks in 12th,i got admission at VIT(Vishawakarma Institute Of Technology), Pune for Information Technology(IT) branch......(jiska muze kuch bhi pata nahi tha.....). Initially when i took admission i was not knowing that my college is jus like a school,but afterwards i realized it...(kyu ki ye school se bhi khatarnak hai)....kyu ki pahile hi din mera pura college hua till 6

Websites links for students.......!!!!

2007-04-14T23:00:00.001+05:30

1. This link is for the engineering students preparing for Campus Interview......You can get all company papers from this site....job information for freshers,MBA information,technical interview tips,success stories,etc. http://www.chetanas.com/ 2. Get free e-books from here........all categories of books are available here http://flazx.com/ 3. Get free

Trip to Mahabaleshwar........!!!!

2007-04-14T21:29:00.000+05:30

Ek din aisehi sab dost log baithe the....aur kahi to bhi jane ka mood hua......but where...????to phir hamne Raigad jane ka socha aur wo bhi bikes par......raat ke 1-2 baje likalne ka fix hua...hum total 9 log the aur 3 bikes.......tayariya chalu ho gayi.....aur sab karte karte 1 baj gaya......everybody was ready......phir hum nikal pade hamari manzil ki aur....!!!Ab barish ka mausam tha.....

Life At Enginnering......!!!!

2007-04-14T20:33:00.000+05:30

Hi all.....this is Niks.....an aspiring engineer.....waiting to enter the software industry in few daysbut leaving all those days of my Engineering life back....to become a responsible person....!!!Jaise jaise engineering ke din khatam hote aa rahe hai waise waise wo purani baate yaar aa rahi hai..wo submissions....jiske liye raat raat bhar jagna,assignments likhana,programs ke liye ghumna,same