Basic server model, Operating System

Assignment Help:

Suppose we want to program a Web server; we could easily do so without using concurrency, as follows:

while(true)
wait connection
read from socket and parse url
look up url contents in cache
if (!in cache)
fetch from disk
put in cache
send data to client

How do we make this codework for lots and lots of clients? Since there are a lot of slowoperations being performed (e.g. connecting to the networking, accessing the disk, etc), processing only one client at a time clearly is not scalable. Our goal then is to build a concurrent application that both minimizes latency and maximizes parallelism.


Related Discussions:- Basic server model

Explain best fit algorithm, BEST FIT ALGORITHM Here scanning is for th...

BEST FIT ALGORITHM Here scanning is for the finest fit one. Signifies it searches the entire list for the best fit position. For the process therefore in that the process will

OS is a resource allocator and control program, why we say OS is a resource...

why we say OS is a resource allocator and control program

Define process swapping , Swapping : Whole process is moved from the swap...

Swapping : Whole process is moved from the swap machine to the main memory for execution. Process size must be equal or less than to the used main memory. It is easier to exe

Define the executor (worker thread), Define the Executor (Worker Thread)  ...

Define the Executor (Worker Thread)  The responsibility of the Executor (or Worker Threads) is to execute instructions on behalf of a client-server connection. The Executor mus

Define semaphore, Define semaphore A semaphore is a protected abstract ...

Define semaphore A semaphore is a protected abstract or variable data type that constitutes the classic method for restricting access to shared resources like shared memory in

What is an operating system, What is an operating system? An operating ...

What is an operating system? An operating system is a program that manages the computer hardware. It acts as an intermediate among users of a computer and the computer hardware

Define properties of real time operating system, Define properties of Real ...

Define properties of Real time operating system Real time :- Often used in a dedicated application, this system reads information from sensors and must respond within a fixed a

Producer-consumer, The general idea of a producer-consumer architecture is ...

The general idea of a producer-consumer architecture is related to building a pipeline of threads, similar to the web spider from Project 2. Each step of the processing will now be

Paging, protection in paging

protection in paging

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd