Questions related to improving application performance, this can be range from selection software architecture to selection of algorithms.

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1answer
207 views

Hadoop and Object Reuse, Why?

In Hadoop, objects passed to reducers are reused. This is extremely surprising and hard to track down if you're not expecting it. Furthermore, the original tracker for this "feature" doesn't offer any ...
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1answer
40 views

Whats a good structure to save and retrieve locations of images?

I got a java-ee application, where I collect informations about movies. Im my backend I provide data like the name, description, genre and a random uuid. I also got lots of related files, which are ...
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0answers
114 views

How many Angular Controllers and/or Directives is too many?

I'm building a large, editable data table with angular, and I'm trying to figure out what the best practice is. The table will be a couple of hundred rows, with a couple of dozen columns, so upwards ...
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0answers
327 views

Is there a module for writing low level code on Python?

Can you manipulate bits and memory directly using Python? If yes, wouldn't that be a best option to dealing with performance-critical spots than C bindings?
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12 views

How do I implement the OpsDB from Release It! by Michael T Nygard

I have recently been reading the Release It! book by Michael T Nygard.In the book he talks about Implementing an OpsDB to manage and record performance statistics of applications. Has anyone ...
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20 views

Request size sweet spot?

In a client-server situation, a way to batch requests to the server, ideally to batch all requests for one page (on page load), to get the entire model view for the page and all resources in one HTTP ...
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25 views

Get user specific data client or server side

Websites that have membership systems and shopping carts usually show different information on the page depending on whether the user is signed in or not, whether there are items in the cart, etc etc. ...
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0answers
314 views

Best method for async initialization of view model in MVVM pattern (WPF)

I'm working on a business application (C#, WPF, EF, MVVM). I need to load a bunch of items from database, create view models for them and put them in a window. Is there a way to create the view model ...
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71 views

Efficient Copy While Sorting

I have an algorithms library called NDex. I am in the process of upgrading it to a new version. Part of this upgrade involves providing two versions of many algorithms: an in-place version and a ...
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49 views

Object pooling in managed environments

My application tries to process chunks of data, each sized at tens of megabytes, but not fixed size. I use a producer for data fetching, and consumer for data processing, Since I do not control the ...