Parameters considered: 1. Preference for asynchronous server model over synchronous server model. 2. Reduce server load, Load balancing (Splits servers for specific requests) 3. Decrease bandwidth between client and server. 4. Compression techniques. 5. Render static assets through reverse proxy (No need to create another process in system memory for static assets access). 6. Better to use content delivery network for libraries that may be need for frontend interface. 7. Non-blocking and event threads 8. Reduce database query time by applying indexing/clustering/stored procedure/optimized queries 9. Use of caching server to cache the static page requests. 10. Common Techniques. The above parameters mentioned are the generic one which …show more content…
Which blocks the customers’ requests and may lead to crash of server or sometime requests of customer are not entertained properly. So the better option is to choose an asynchronous server paradigm here to avoid this type of condition. An asynchronous server handles all the request through one process/thread through a concept like event loop. This is nothing but a mechanism to handle http incoming request in event driven nature. For Ex: Suppose you are a student and have access to a portal which provides the functionality for reading massive journals content through API , That API is a http request which request for required data and render the relevant info to end user. Now if you are performing same operation with synchronous server and if the targeted journal if is 5 GB in terms of size, then synchronous server will halt further execution of the code block and further statements/expressions will not executed until the server do not read all the 5 GB data Now consider a scenario a typical request of above http call takes 1hr (For example) then further statement will have to wait needlessly to get executed until you don 't read the 5 GB data. This condition called as "Blocking", which blocks overall execution for some time for that specific process. The better approach to overcome this scenario is to
The server should keep track in stable storage (such as a disk log) information regarding what RPC operations were received, whether they were successfully performed, and the results associated with the operations. When a server crash takes place and a RPC message is received, the server can check whether the RPC had been previously performed and therefore guarantee “exactly once” semantics for the execution of RPCs.
In contrast, the parallelism is a condition that comes when at least two threads are executing at the same time''. It is possible for two threads to make progress, though not at the same
In this thesis, focus on the security aspect of the client side, as well as in terms of the server, where the main objective of this security system to prevent attackers from exploiting the weaknesses of the client side because this would lead ultimately
i) Memory : cache server (holds recently acesed web pages in its RAM, for spedier aces
The aim of work is to provide service guarantees when multiple synchronous requests are present with high disk throughput. To address this problem we consider BFQ and modified versions of BFQ. It is found that MBFQV1 gives a better performance when compared with the BFQ. MBFQV2 is the suggested new disk scheduler which preserve both guarantees and a high throughput. In MBFQV2 we observed that the throughput, speed of transfer were better compared to the other schedulers for the normal size applications.
Archaeological excavations at Jamestown reveal what life was like for the original English colonists. Ten feet to the East there was a L-shaped cellar. In the longest part of of the cellar, it measured 24 feet by 14 feet. This place was called The Common Settle. The presence of ovens suggest that this place was the kitchen. This is where the people would get the little food they had. Jamestown 5 total churches. John Smith reported that the first and second church had services that held outdoors. The third church was a wooden church built on a one-foot-wide foundation of cobblestones capped by a wall one brick thick. The first assembly was held in the third church.
Synchronous is an adjective that describes an event that is coordinated in time. Synchronous communications works in a way that both hosts will be communicating consistently to continue that communication. By this I mean, that there should be continuous stream of data flow between both hosts to keep that communication going. An example of this is a phone call, when one host (person) communicates with another host, both hosts will have an active connection between them during Synchronous communication. The first host can send a packet of data (talk) while the second host will receive that data (Listen) simultaneously and then the first host will receive the data while the second host is sending the data simultaneously. This communication is used commonly used in telecommunications such as; phone calls, Skype calls etc. Synchronous communication is used in these cases instead of Asynchronous because these things require both hosts be active at the same time. Synchronous communication is also used for things such as streaming on Netflix which requires both the server and client accessing Netflix to be active. Peer to peer transfer (sending a file directly to a friend over the internet) also requires that both hosts be active, if only one host was active then the file wouldn’t be able to be
In web performance circles, “latency” is the amount of time it takes for the host server to receive and process a request for a page object. The amount of latency depends largely on how far away the user is from the server. For obvious reasons, tackling latency is a top priority for the performance industry. There are several ways to do this:
Here in the above diagram the consumers log into the website of chip ordering system through internet using a URL. The request is passed through the firewall and the request is endorsed by the web server which is in the DMZ. The request is passed to the middle-layer application server to provide the application logic. The application server is served by load balancing, upon
that uses the resources of the network. A user maybe defined as a someone "signed in"!
Sixteen thousand two hundred and twenty-four dollars is the average cost to attend Jacksonville State University per year. That comes out to three hundred and twelve dollars per week an athlete is being compensated by the university for the athlete’s contribution to the university. Considering three hundred and twelve dollars per week amounts to take home pay. Therefore, the student athletes would have worked 52 weeks for forty hours per week at a job paying approximately eleven dollars per hour, for most college athletes that is a fair compensation. However, what if the student athlete comes from a family that is unable to provide them with any financial aid help with things as basic as personal hygiene or transportation home on the holidays?
The summary of the collected data after completion of usability study states that among the 30 individuals around 56.6% people has used the manage blocking setting for the purpose of blocking the user’s/game requests/app requests etc. And around 43.3% of participants never used the manage blocking setting. While coming to the reason behind the usage most of the people stated that the major reason behind the usage of the setting is receiving the anonymous messages from the unknown people. And few of the people also stated that for ensuring privacy and few other stated that they ignored stated that they find usage as they are getting consequent message request from a specific individual and they felt irritated by the experience and find
When one executes something synchronously, one has to wait for it to be finished before moving on to another task. But if one executes something asynchronously, one can go on to another job before it finishes. Asynchronous pro-gramming is a means of parallel programming. A unit of task can be executed separately using multi-thread or some another method in asynchronos programming. A thread is a series of commands or block of code that exists as a unit of work.
The town punishes Hester for what she has done, but they also, without knowing, that they also punish Dimmesdale for his guilt. In the start of The Scarlet Letter Hester is asked who she has committed adultery with by Dimmesdale. He know who should be up on the scaffold with her, but he asks to see if she will convulse the information to the town. She does not tell the town who the father is, so Dimmesdale’s guilt starts. Throughout the novel Dimmesdale’s physical and mental health decline. The main cause for this is him not sharing that he is Pearl’s father. He feels that he has let punished Hester more by having her suffer, not just her punishment, but also his. Dimmesdale displays his guilt during the scene when the governor wants to take Pearl away from Hester. Hester pleads against the governor saying that they should not take away the only thing she loves. Hester also says that Pearl may be the way that she can amend her sin. Dimmesdale throughout this section refuses to make eye contact with Hester. This action from Dimmesdale shows that he regrets not telling the town at the beginning what he did. Now the guilt has built up and he starts to have the effects of this mentally as well as physically change him. When Chillingworth starts to torture him he starts to become afraid of both what will happen to him as well as fear from the secrecy of Chillingworth. Chillingworth recites a story about a new herb he has found “I found the flowers growing on a
It is an open- source framework and a server-side platform. It responds to actions generated by the user so it provides an event-driven environment. Node.js uses asynchronous programming which means that when a task is sent to the system, the server does not wait for API to return data and it does not even block it. Else, it gets ready to handle the request and moves to the next API, and when the file has been read (event) by the system, it responds to the client. Node.js does not support the buffering of data; it sends the output in chunks which makes it fast in executing the code as well as memory efficient.