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Category: Architecture

Architectural design is the product of people’s subjective mapping of elements within a structure and the relationships between elements. Architecture design is a series of related abstract patterns used to guide the design of various aspects of large software systems. The architect’s job responsibility is to transform the customer’s needs into a standardized development plan and text during the development of a software project, and to formulate the overall structure of the project, and guide the entire development team to complete the plan. Architecture design is the early stage of the software design process, which connects the requirements analysis and the design process. The main task of an architect is not to write specific software programs, but to engage in higher-level development and architecture work. He must have a good understanding of development technology, and he needs to have good organizational and management skills.

Is there a way to kill Erlang VM when using -Heart?

The title almost sums it up. I have a zotonic site running -heart, which uses a lot of cpu time and I can’t get an erlang shell. So, is there a way to kill the virtual machine? killall heart and ki

October 2, 2021By Simo Monitoring a method, aunt, Erlang, Is there any, Kill, VMLeave a Comment

Performance – Why is all refreshed [F5], then enter and press Enter from the address bar?

I have benchmarked my application, and I found one thing that surprised me. I hope it is clear why the two are different things. < /p> Press in the address bar, and then enter within 1.5 to 3 secon

October 2, 2021By Simo Performance Address, and press, Bar, Different, Enter, F5, performance, Refresh, then, whyLeave a Comment

Heartbeat implementation web high available

heartbeat overview:

Official website: http://www.linux-ha.org/

Download heartbeat: http://www.linux-ha.org/wiki/Download

Download: The current versions are:

Heartbea

October 2, 2021By Simo Monitoring available, Heartbeat, high, Implementation, WEBLeave a Comment

Heartbeat high available

1. Basic understanding

1. The difference between Heartbeat and Keepalived
The vrrp protocol used by Keepalived, Virtual Router Redundancy Protocol (VRRP);
Heartbeat is a high-availability met

October 2, 2021By Simo Monitoring available, Heartbeat, highLeave a Comment

JestJS – JEST custom transformer – Can I improve their performance?

I am using Jest to test the performance of a custom transformer. Currently, the transformer only returns the code it gets from Jest. The transformer implements the getCacheKey function.

This

October 2, 2021By Simo Performance customization, Improve, Jest, Jestjs, performance, transformersLeave a Comment

Erlang performance analysis using FPROF within the CPU time

I am trying to use fprof for better performance visualization of my software. However, the default is to use wall clock measurement, but I want to use cpu time to measure it. Therefore, I am in the

October 2, 2021By Simo Performance analysis, CPU, Erlang, FPROF, performance, timeLeave a Comment

Several design of good structures to improve .NET application performance

Original: Several ways to design a good structure to improve the performance of .NET applications

A well-designed system, in addition to the excellent design at the architectural level, most

October 2, 2021By Simo Performance application, design, Good, improvement, method, performance, several, structureLeave a Comment

Performance – Phoenix channel and its relationship with sockets

I need some suggestions about elixir/phoenix channels. I have an application related to venue changes, in order to reduce the amount of data sent to each client, I only want each client Subscribe t

October 2, 2021By Simo Performance and its socket, channel, performance, Phoenix, relationshipLeave a Comment

Performance – Directory slash rendering? Is this still happening?

I am reading an article about Yahoo’s “Best Practices” for speeding up a website referenced by Jeff Atwood, I noticed this little gem:

< /p> One of the most wasteful redirects
happens frequ

October 2, 2021By Simo Performance catalog, performance, redirection, slash, will occurLeave a Comment

Performance – Database Speed ​​Optimization: There are very few tables, or a lot of tables with a few rows?

I have a big question.

Let’s take a company’s order database as an example.

Suppose this The company produces about 2000 orders per month, so, about 24K orders per year, they don’t want

October 2, 2021By Simo Performance a lot, database, few tables, line, Optimization, or number of lines, performance, speed, table, very smallLeave a Comment

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