What is Splunk

Splunk is an IT information search solution that indexes data and enables users to analyze, alert and report on all their IT data from every application, server and device; all in one place. It enables you to fi nd and fi x problems, investigate security incidents before attackers cover their tracks and generate compliance reports quickly and easily.

Splunk continuously indexes all your IT data by time so you can see change in action. And it dynamically interprets the data when you perform a search, eliminating the need to keep up
with ever changing data formats. It doesn’t require special agents, adapters or parsers for specifi c data formats and you get the correlation you need without writing lots of elaborate rules.

Splunk can integrate with your existing enterprise management, security and compliance tools right out of the box. The Splunk toolbar makes it simple to launch searches from any webbased
application and Splunk alerts can be sent to any of your existing consoles. It can even index the data already collected by your existing management tools to extend the life of your investments.

In my words : "A smart tool to know the health of your servers"

What is the Difference between Desktop, WEB and Client-Server Apllication Testing

Each one differs in the environment in which they are tested and you will lose control over the environment in which application you are testing, while you move from desktop to web applications.


Desktop application runs on personal computers and work stations, so when you test the desktop application you are focusing on a specific environment. You will test complete application broadly in categories like GUI, functionality, Load, and backend i.e DB.

In Client-Server Application you have two different components to test. Application is loaded on server machine while the application exe on every client machine. You will test broadly in categories like, GUI on both sides, functionality, Load, client-server interaction, backend. This environment is mostly used in Intranet networks. You are aware of number of clients and servers and their locations in the test scenario.

Web Application is a bit different and complex to test as tester don’t have that much control over the application. Application is loaded on the server whose location may or may not be known and no exe is installed on the client machine, you have to test it on different web browsers. Web applications are supposed to be tested on different browsers and OS platforms so broadly Web application is tested mainly for browser compatibility and operating system compatibility, error handling, static pages, backend testing and load testing.

Keep in mind that even the difference exist in these three environment, the basic quality assurance and testing principles remains same and applies to all.

Charles Web debugging Proxy

Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).
Charles can act as a man-in-the-middle for HTTP/SSL communication, enabling you to debug the content of your HTTPS sessions.
Charles simulates modem speeds by effectively throttling your bandwidth and introducing latency, so that you can experience an entire website as a modem user might (bandwidth simulator).

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How to intentionally fail a particular call to get 404 in Fidller ???

See earlier post and adds " *bpafter" as action for auto-responder rule. It will return 404 for any call.

This allows the request to hit the server, but break on the response... So finally we get 404 :-)

*bpu : Break on request before hitting server : This could also be used...

How to fail a particular HTTP call through Fiddler?

I am a Quality Engineer who test a lot of things in softwares. Currently I am working on a hybrid application where a desktop software make some internet calls.

Recently I came across a scenario where I wanted to fail a particular call in middle of a set of HTTP calls. Fiddler helped me to do so.

Here are the steps to make this happen:

I am taking an example for explaining this. Lets take a case where one thread make 5 calls Call-1, Call-2....Call-5 and I want to fail Call-3. Here are the steps I need to follow:

- Run this thread after starting fiddler.
- It will list all five calls.
- Select Call-3 and select AutoResponder Tab on the right side
- Check the option for "Enable Automatic Responses"
- Click Add Button
- Call-1 URL will be listed in Rule Editor in Right-Bottom
- Enter any random value in other text-box on the right side of Rule-Editor.
- Save this.

In future whenever you will run this thread, Call-3 will always fail.

All the Best!!!