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system-design-primer | design large-scale systems | Architecture library

 by   donnemartin Python Version: Current License: Non-SPDX

 by   donnemartin Python Version: Current License: Non-SPDX

kandi X-RAY | system-design-primer Summary

system-design-primer is a Python library typically used in Institutions, Learning, Education, Architecture applications. system-design-primer has no bugs, it has no vulnerabilities and it has medium support. However system-design-primer build file is not available and it has a Non-SPDX License. You can download it from GitHub.
Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
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kandi-support Support

  • system-design-primer has a medium active ecosystem.
  • It has 210044 star(s) with 37557 fork(s). There are 6454 watchers for this library.
  • It had no major release in the last 6 months.
  • There are 172 open issues and 69 have been closed. On average issues are closed in 140 days. There are 178 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of system-design-primer is current.
system-design-primer Support
Best in #Architecture
Average in #Architecture
system-design-primer Support
Best in #Architecture
Average in #Architecture

quality kandi Quality

  • system-design-primer has 0 bugs and 28 code smells.
system-design-primer Quality
Best in #Architecture
Average in #Architecture
system-design-primer Quality
Best in #Architecture
Average in #Architecture

securitySecurity

  • system-design-primer has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • system-design-primer code analysis shows 0 unresolved vulnerabilities.
  • There are 0 security hotspots that need review.
system-design-primer Security
Best in #Architecture
Average in #Architecture
system-design-primer Security
Best in #Architecture
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license License

  • system-design-primer has a Non-SPDX License.
  • Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.
system-design-primer License
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system-design-primer License
Best in #Architecture
Average in #Architecture

buildReuse

  • system-design-primer releases are not available. You will need to build from source code and install.
  • system-design-primer has no build file. You will be need to create the build yourself to build the component from source.
  • Installation instructions are not available. Examples and code snippets are available.
  • system-design-primer saves you 270 person hours of effort in developing the same functionality from scratch.
  • It has 655 lines of code, 148 functions and 26 files.
  • It has low code complexity. Code complexity directly impacts maintainability of the code.
system-design-primer Reuse
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system-design-primer Reuse
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Top functions reviewed by kandi - BETA

kandi has reviewed system-design-primer and discovered the below as its top functions. This is intended to give you an instant insight into system-design-primer implemented functionality, and help decide if they suit your requirements.

  • Dispatch a call
    • Dispatches the given call
    • Set a call to the employee
  • Adds the results to the cache
    • Get a node matching the query
  • Process a query
    • Parse a query
  • Crawl all pages
    • Crawl a page
  • Disks a vehicle
    • Return the value associated with the given key
      • Removes a key from the table
        • Return the card value
          • Calculate the score of this node
            • Add a key to the table
              • Reduce budget notifications
                • Generator for mapper
                  • Mapper a line of time series
                    • Given a line return the product product category
                      • Remove the vehicle from the spot

                        Get all kandi verified functions for this library.

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                        system-design-primer Key Features

                        Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

                        system-design-primer Examples and Code Snippets

                        See all related Code Snippets

                        Community Discussions

                        Trending Discussions on system-design-primer
                        • crawler design - calling an async job vs. calling a service
                        Trending Discussions on system-design-primer

                        QUESTION

                        crawler design - calling an async job vs. calling a service

                        Asked 2020-Apr-10 at 10:56

                        I'm looking at donne martin's design for a web crawler. the crawler service processes a newly crawled url, and then:

                        • Adds a job to the Reverse Index Service queue to generate a reverse index
                        • Adds a job to the Document Service queue to generate a static title and snippet

                        what would happen if instead the crawler service would synchronously call these 2 services? I would still be able to horizontally scale all 3 services according to the load on each, right? what came to me as a possible reason is just more complex flow control if one of them fails. are there other more compelling reasons for these async jobs?

                        ANSWER

                        Answered 2020-Apr-10 at 03:01

                        There are likely more reasons behind this design choice, but one is almost certainly use of Microservices. It is a popular technique, so demonstrating command of it is a good idea for answering design questions and benefits of it are well described on Wikipedia:

                        • Modularity: This makes the application easier to understand, develop, test, and become more resilient to architecture erosion.[6] This benefit is often argued in comparison to the complexity of monolithic architectures.[33]
                        • Scalability: Since microservices are implemented and deployed independently of each other, i.e. they run within independent processes, they can be monitored and scaled independently.[34]
                        • Integration of heterogeneous and legacy systems: microservices is considered as a viable mean for modernizing existing monolithic software application.[35][36] There are experience reports of several companies who have successfully replaced (parts of) their existing software by microservices, or are in the process of doing so.[37] The process for Software modernization of legacy applications is done using an incremental approach.[38]
                        • Distributed development: it parallelizes development by enabling small autonomous teams to develop, deploy and scale their respective services independently.[39] It also allows the architecture of an individual service to emerge through continuous refactoring.[40] Microservice-based architectures facilitate continuous integration, continuous delivery and deployment.[41] [42]

                        All of those apply in this case. Indeed, well-defined API makes the modules separate, reusable, easy to understand. Most likely each of the 3 modules will have very different execution time and CPU/memory requirements, so scaling them separately makes a lot of sense. Some companies like Amazon mentioned on the page might go much further splitting those modules into microservices based on the team number, so this split into 3 services can very well be chosen based on the assumption of having 3 teams, rather than technical constraints.

                        The page also describes criticism of the technique.

                        Source https://stackoverflow.com/questions/60479306

                        Community Discussions, Code Snippets contain sources that include Stack Exchange Network

                        Vulnerabilities

                        No vulnerabilities reported

                        Install system-design-primer

                        You can download it from GitHub.
                        You can use system-design-primer like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.

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                        Clone
                        • https://github.com/donnemartin/system-design-primer.git

                        • gh repo clone donnemartin/system-design-primer

                        • git@github.com:donnemartin/system-design-primer.git

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