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Questions tagged [reliability]

Reliability is the ability of a system or component to perform its required functions under stated conditions for a specified period of time.

Reliability is the ability of a system or component to perform its required functions under stated conditions for a specified period of time.

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Understanding ZeroMQ: How to send files from multiple sources to a single sink?

I have a bunch of servers where files are being generated constantly. These files need to be sent to a central location. The files are never larger than 50MB. I am planning to use ZeroMQ to send these files (encapsulated in messages), so that file…
donatello
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Is libmcrypt not reliable?

A few days ago I put a question on SO, without any meaningful answer. Bellow is it on short: I have a client server program in C that encrypts/decrypts data with mcrypt C's library. The client encrypts the string that wants to send to server, send…
artaxerxe
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Reliable UDP Algorithm?

I'm working on reliable UDP networking and I have to know something. I think UDP reliable algorithm works like that (IDK, I guess); Server send: (header:6)abcdef Client receive: (header:6)abdf, sends back "I got 4 data, they are abdf" Server send:…
MonoLightGS
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Improving jenkins reliability in randomly failled tests

I have a set of +800 selenium tests and because of problems in our application (mostly asynchronicity bugs which we are aware but cannot fix now) they, sometimes, randomly, fail. We use jenkins for CI and I'd like to know if there is a way to…
mors
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Which MySQL INSERT method would be faster and more reliable?

I am developing a web-based application, which processes high amount of data (200.000 - 500.000 rows) with a Java applet, then the data has to be inserted into MySQL. Java is a must, it cannot be ignored or replaced Which method would be faster and…
Ágota Horváth
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Can the Scan0 or Stride of a BitmapData change over a period of time?

I'm using a BitmapData object aquired using Bitmap.LockBits to read and write pixel data quickly. The functionality is encapsulated in a class. Can I store refs to the Scan0 and Stride of a BitmapData object or should I read it every time I need to…
Robin Rodricks
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Search for information on building large enterprise systems

How do you organize DB layer, business logic and cross-platform API of your information management system, if uploading and processing 500000 data records in one session is a normal operation (C# .NET 3.5 + MS SQL 2005)? I’m specifically interested…
Rinat Abdullin
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Best method for saving values of a queue in case of program failure

Say I have a multithreaded application made up of two separate threads and a Queue. Thread 1 finishes it's computation and puts the result in the Queue. Meanwhile thread 2 is constantly looping and checking if there is any data in the Queue for it…
whatWhat
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Reliability of Indexed views

I just found out that a report I quickly threw together years ago has been the sole means of collecting millions of dollars, and there isn't anything being done to check if it is correct. For performance reasons, the report makes heavy use of…
Brad
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Using OpenID as a login for my website - redundant providers

How do I support redundancy on my OpenID login website? For instance, I have users that demand 100% uptime (yeah, right, but let's get as close as we can). Some of them use less available providers (ie, myphpid on their own website, or an ID on a…
Adam Davis
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YQL Reliability - Example using Google Weather API

Im fairly new to YQL and am having some issues with the reliability. (From a Google XML Source) My request fails about 50% of the time. I wanted to know why this is and how it can be resolved. My initial thoughts are; Is google preventing YQL in…
Blowsie
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Checksum with low probability of false negative

At this moment I'm using a simple checksum scheme, that just adds the words in a buffer. Firstly, my question is what is the probability of a false negative, that is, the receiving system calculating the same checksum as the sending system even when…
pythonic
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sequence ID for handling reliability

I'm trying to figure out a simple way to handle reliability for UDP messages. I figured I would just send each one with a sequencing ID and by comparing the ID to the one previously received, a loss can be detected. I would normally just use…
KeyboardInterrupt
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Application design for data persistence over unreliable internet

I've an Flex actionscript 3 schedule reminding app which talks to a web-service through the internet over wifi. The problem is the wifi connection is unreliable and there are frequent dropouts. The schedule which the app reminds doesn't change very…
iceman
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Python implementation of MLE for NHPP model

The context: Hi, I need to perform reliability analysis for a set of components using Power-NHPP (Non-Homogeneous Poisson Process following Power Law) model like it is performed in SAS using proc reliability; my input data consists in a Pandas…
Stefano Talamona
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