Questions regarding cache algorithms by applications and implementations of information caching by database engines and other information repository and presentation applications.

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0
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2answers
778 views

How to store cache?

The data in my website is stored in many different tables(friends,relatives,etc) and every-time I have to query each and every table. But all this data is subject centric. E.g. data for a person is of ...
4
votes
5answers
712 views

Would “Efficient C++” book be irrelevant now due to compiler improvements? [closed]

I am planning on purchasing this book to learn more about C++ programming with regards to fast code. However, the book was published in 1999 and I am worried most of it may be irrelevant now due to ...
4
votes
1answer
2k views

(How can I / Am I allowed to) Use Google Maps as a Texture on an OpenGL object?

Note: I asked a very similar question on StackOverflow but did not get much attention, so was directed to http://programmers.stackexchange.com as licensing issues seem to have more interest here... I ...
4
votes
3answers
412 views

Does C# Cache Calculation Results?

I am recently building a basic ray tracer in C# from scratch, as a learning/teaching project. A previous release of the project (let's call it A) does reflections and diffuse shading. The program ...
4
votes
2answers
454 views

Memoization, Caching, Buffering and Page Filing?

I'm writing something on how iterative Fibonacci is substantially better than recursive Fibonacci - a few lines. The main reason of this I find, as do many prominent researchers I believe, is that you ...
4
votes
4answers
960 views

How to implement Cache in web apps?

This is really two questions. Im doing a project for the university for storing baseball players statitics, but from baseball data I have to calculate the score by year for the player who is beign ...
20
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2answers
15k views

Writing low latency Java [closed]

Are there any Java-specific techniques (things which wouldnt apply to C++) for writing low latency code, in Java? I often see Java low latency roles and they ask for experience writing low latency ...
0
votes
1answer
927 views

Caching Business Objects in MVC application

I figured this was more of an architectural question, so I chose to post it here rather than Stack Overflow. So I'm building an MVC web application and have just finished writing the code that wraps ...
2
votes
2answers
481 views

Advice on caching/updating data in memory for silverlight client

Currently in my Silverlight app I'm polling the database for changes to cached objects and am looking for advice on how to update the views that are displaying these lists. Example: I have a static ...
10
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5answers
4k views

What data structure should I use for this caching strategy?

I am working on a .NET 4.0 application, that performs a rather expensive calculation on two doubles returning a double. This calculation is performed for each one of several thousand items. These ...
1
vote
1answer
225 views

Is using dynamically generated code as cache a good idea?

I have a web search interface that can compare products in a table. This data set changes a few times a week. I have been storing a "DISTINCT" list (used for parametric selection) in a cache table. ...
2
votes
3answers
1k views

Synchronizing local and remote cache in distributed caching

With a distributed cache, a subset of the cache is kept locally while the rest is held remotely. In a get operation, if the entry is not available locally, the remote cache will be used and and the ...
1
vote
1answer
226 views

Where is a good place to start to learn about custom caching in .Net

I'm looking to make some performance enhancements to our site, but I'm not sure exactly where to begin. We have some custom object caching, but I think that we can do better. Our Business We ...
10
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2answers
6k views

Using Memcached: is it good practice to update the cache when updating the database?

This question is about best practices in architecture. Our Current Architecture I have a PHP class that accesses MySQL for user info. Let's call it User. User is accessed many times, so we have ...
1
vote
1answer
271 views

When should I invalidate a cache of a user's credentials?

We develop a Windows client application that locally caches a user's credentials for connecting to our server application using the Windows Credential Management API. Our caching logic works in the ...
3
votes
2answers
234 views

Are there any reasons not to cache an entire site permanently?

I am writing an uber simple blogging platform. The application reads a set of static files that are the articles in the blog, and serves them up. The only time any content on the site will change is ...
6
votes
4answers
4k views

What is important when optimising for the CPU cache (in C)?

Reading these two questions, I see that understanding CPU caching behaviour can be important when dealing with large amounts of data in memory. I would like to understand the way the caching works to ...
5
votes
1answer
879 views

Would this be a good web application architecture?

My problem Our MVC based framework does not allow us to cache only part of our output. Ideally we want to cache all static and semi-static parts, and run dynamic parts. In addition, we need to ...
2
votes
2answers
238 views

Is having multiple CDN locations for a product self defeating?

I was double checking the URL for the CDN version of jQuery this morning, and noticed that there are three different locations now. Is having multiple networks hosting a product bad, or even ...
6
votes
2answers
1k views

How can I best implement 'cache until further notice' with memcache in multiple tiers?

the term "client" used here is not referring to client's browser, but client server Before cache workflow 1. client make a HTTP request --> 2. server process --> 3. store parsed results into ...
4
votes
4answers
1k views

What's the best way to cache a growing database table for html generation?

I've got a database table which will grow in size by about 5000 rows a hour. For a key that I would be querying by, the query will grow in size by about 1 row every hour. I would like a web page to ...
9
votes
5answers
7k views

Most Efficient Cache Replacement Algorithm [closed]

Wikipedia lists 11 cache replacement algorithms. Assuming I know almost nothing about the application I'm going to develop, what should I use as a "default" cache replacement algorithm? If I recall ...
10
votes
4answers
349 views

Why are message view counts laggy on most web sites?

Notice how view counts of youtube videos are always laggy? For example, a video has like 1000 comments and still has 500 hits, and will have 10000 hits hours after. Youtube isn't alone in this. Most ...
7
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5answers
1k views

How do you off load work from the database?

In at least the web development field, web servers are everywhere but are backed by very few database servers. As web servers get hit with requests they execute large queries on the database, putting ...
356
votes
13answers
113k views

So Singletons are bad, then what?

There has been a lot of discussion lately about the problems with using (and overusing) Singletons. I've been one of those people earlier in my career too. I can see what the problem is now, and yet, ...
10
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3answers
1k views

Why are requests for static content being sent to another site?

Whenever I login to stackoverflow or some sites I see lots of requests for sites like http://cdn.sstatic.net/. Why is this done rather than serving directly from the actual site? How does it help to ...