ASP.NET Micro Caching: Benefits of a One-Second Cache: ASP Alliance

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ASP.NET Micro Caching: Benefits of a One-Second Cache

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by Steven Smith
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Results With Caching

Running the test a second time against a page with one second of output caching enabled resulted in a total of 74,157 requests and an average requests per second of 247.19. The TTFB and TTLB were both 11ms. So, compared to the non-cached page, the throughput increased by over 400% and each page took 80% less time to load, five times the performance.

Figure 2 below shows a graph of requests per second over time.

Figure 2

Performance With Micro Caching

The next figure shows both tests, side-by-side.

Figure 3

Performance Comparison

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User Comments

Title: Effective
Name: Sangam Uprety
Date: 2009-08-20 7:36:29 AM
Comment:
I tested the same using badboy and saw the differences myself. Page level output cache improves performance, like the caching of data in BLL. I just wonder why there is so few discussions on this technique. And is 1 second the minimum possible page output cache duration? Further, what about pushing it upto 10 seconds?

Title: good
Name: mcgyver
Date: 2009-07-08 1:14:06 PM
Comment:
my company is an equities broker and we have an ajax webbroker. There are about 100 more liquid assets, but 1000s of clients. Probably this aproach will diminish our hardware uses

Title: Simultaneous requests
Name: The Chief
Date: 2006-05-18 8:10:20 AM
Comment:
Hi

If it takes 0.5 seconds to load data and render the page and the server receives 20 requests within this time, does asp.net hold off processing the other 19 requests for the same page until it has finished rendering and caching the output from the first of these 20 page requests?

Your results would suggest that this is indeed what is happening but would appreciate confirmation of this.

We use caching on a busy e-commerce site, but there is still a bit of a hit on the server when the site restarts as all the output on each different category page is loaded and cached at the same time. I'm wondering whether the same data is being loaded twice via multiple requests.

Thanks

Title: Caching
Name: Arpi
Date: 2006-02-09 6:57:03 AM
Comment:
This article explain right.Hence I want to know how can we stop caching of the system

Title: Not So Silly
Name: Steven Smith
Date: 2005-07-28 8:32:35 AM
Comment:
Not so - consider a news site like CNN.com. With their traffic I'm sure certain articles are read more than 1/second, and I'm willing to bet their articles are stored in a database. The same is true for an eBay auction nearing its end, or a popular Amazon.com book. There are plenty of large scale applications that could theoretically benefit from this technique. That said, you have to test your own application using realistic usage data for your app, then set the cache duration to something that makes sense for you.

Title: Silly
Name: Cookie Monster
Date: 2005-07-28 3:05:54 AM
Comment:
This is silly. Only in this test would a 1 second cache make this large of a difference. In the real world, users wouldn't be accessing the exact same piece of data so often, so basically every request would end up a cache miss.

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