rapid | Rapid is a scalable distributed membership service | Architecture library

 by   lalithsuresh Java Version: 0.8.0 License: Apache-2.0

kandi X-RAY | rapid Summary

kandi X-RAY | rapid Summary

rapid is a Java library typically used in Architecture applications. rapid has no bugs, it has no vulnerabilities, it has build file available, it has a Permissive License and it has low support. You can download it from GitHub, Maven.

Rapid is a distributed membership service. It allows a set of processes to easily form clusters and receive notifications when the membership changes. We observe that datacenter failure scenarios are not always crash failures, but commonly involve misconfigured firewalls, one-way connectivity loss, flip-flops in reachability, and some-but-not-all packets being dropped. However, existing membership solutions struggle with these common failure scenarios, despite being able to cleanly detect crash faults. In particular, existing tools take long to, or never converge to, a stable state where the faulty processes are removed. To address the above challenge, we present Rapid, a scalable, distributed membership system that is stable in the face of a diverse range of failure scenarios, and provides participating processes a strongly consistent view of the system’s membership.
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            kandi-support Support

              rapid has a low active ecosystem.
              It has 110 star(s) with 14 fork(s). There are 9 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 1 open issues and 6 have been closed. On average issues are closed in 81 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of rapid is 0.8.0

            kandi-Quality Quality

              rapid has 0 bugs and 0 code smells.

            kandi-Security Security

              rapid has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              rapid code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              rapid is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              rapid releases are available to install and integrate.
              Deployable package is available in Maven.
              Build file is available. You can build the component from source.
              Installation instructions are not available. Examples and code snippets are available.

            Top functions reviewed by kandi - BETA

            kandi has reviewed rapid and discovered the below as its top functions. This is intended to give you an instant insight into rapid implemented functionality, and help decide if they suit your requirements.
            • Decide whether a new view change should be received
            • Adds a node to the ring
            • Delete a node from the ring system
            • Clears all pending changes
            • Handles a bulk request
            • Selects a proposal to be applied to the coordinator
            • Produce a list of report updates for a link
            • Handle incoming alert updates
            • Main entry point
            • Starts the cluster
            • Send a message
            • Helper method to start a call
            • Starts the server
            • Filter out incoming edge update messages
            • Gets the best attempt
            • Creates a channel to the remote endpoint
            • Receive a reply
            • Extract the joinerUUID and metadata from the node
            • Generates a list of node status change
            • Set the recipient list
            • Starts the RPC server
            • Run the probe
            Get all kandi verified functions for this library.

            rapid Key Features

            No Key Features are available at this moment for rapid.

            rapid Examples and Code Snippets

            No Code Snippets are available at this moment for rapid.

            Community Discussions

            QUESTION

            Is it possible to return all values returned from an API response and pass them into the pipeline to use later?
            Asked 2021-Jun-13 at 19:32

            I have written the following function. It returns data from an API. It returns every value from the API call. What I would like to do is take out print(lichess_response) and either yield or return the reponse so I can call any value when I call the function. That way I don't have to write a function for each value.

            My code:

            ...

            ANSWER

            Answered 2021-Jun-13 at 19:32

            If all you want is to collect what you are currently writing to standard output in a single list, that's simply

            Source https://stackoverflow.com/questions/67961756

            QUESTION

            Storing mousePosition more than once a frame/ Aproximating points between two given poins
            Asked 2021-Jun-10 at 05:58

            I'm trying to paint "pixels". I created Conway's game of life in Unity and i want to add a feature where you press mouse button and when it's pressed you "paint" - set cells alive. So my idea was:

            In Update() if mouse button is pressed Start Coroutine.

            In Coroutine you have loop that sets cell pointed by Input.mousePosition to Alive-state then waits for end of frame. Loop, and by that Coroutine ends when that mouse button is released.

            My problem is that if you move mouse rapidly created line will not be continuous, because inputs form mouse from two frames will be different (far apart).

            Since you can take Input.mousePosition only once per frame i tried approximating this by storing mousePosition from previous frame and calculating all points that lie on Edge between CurrentMousePosition and PreviousMousePosition

            However i was not happy with the result.

            My Question is: is there a better way to prevent this un-continuous line than letting it be and then fixing it? And if not is there a better way to approximate points that lie on Edge?

            ...

            ANSWER

            Answered 2021-Jun-09 at 23:54

            You could interpolate with a resolution variable. Interpolation finds a point between two points, based on t. t is between 0 and 1, and when closer to 0, the closer to the output is to the first vector, and when closer to one, the closer the output is to the second. We could use a for loop using a resolution value as the resolution of the interpolation (a resolution of 2 would have t as 0, 0.5, and 1).

            Here is a script (not yours) that uses interpolation with the mouse position:

            Source https://stackoverflow.com/questions/67912537

            QUESTION

            How to run my Python script with Anaconda environment in crontab?
            Asked 2021-Jun-09 at 10:37
            • I want to scedual a task with crontab to run a python file in a specific anaconda environment every day at a certain time.
            • I also have a python script to do so.
            • The pythons script runs if I jsut execute it with python h.py in the anaconda evoronment in terminal. h.py is in the home directory
            • I am usaing Ubuntu 20.04, and i havent refreshed on intalled any new cron or crontab
            • I have tried the following commands to get it work but they just do Nothing (the result should be a folder and it is learly not has been created)
            ...

            ANSWER

            Answered 2021-Jun-09 at 10:37

            If the Python file only need python (not other library)

            Source https://stackoverflow.com/questions/67752093

            QUESTION

            How to download exported excel from laravel using axios?
            Asked 2021-Jun-08 at 06:54

            I have my code below from Backend that is working fine when I test it using Laravel's blade. But I can't do the same in using Axios in my React frontend (see frontend code below).

            ...

            ANSWER

            Answered 2021-Jun-08 at 05:37

            It might be to do with how you are converting the response to a blob. Here is a block of code that I always use when I have to do something like this. I have formatted it to suit your code above so hopefully it will work the same way

            Source https://stackoverflow.com/questions/67881860

            QUESTION

            Android MPchart get Y-Position of view after scrolling
            Asked 2021-Jun-07 at 08:58

            I use MPChart to plot rapidly updating data live. It is crucial that the user can freely scroll along the Y-Axis as the graph gets updated. After every update, I use myChart.moveViewToX() to automatically scroll along the x-axis. However, moveViewToX() also moves the view to 0 along the Y-axis.

            Since moveViewToXdoes not feature a parameter like "ignoreY" or "keepY", I would like to use mChart.moveViewTo(centerX, centerY, YAxis.AxisDependency.LEFT);, where centerY is the Y-Position that the user has scrolled to.

            So far, I have not found any way to access this value in the MPChart documentation.

            ...

            ANSWER

            Answered 2021-May-04 at 15:25

            You should be able to get the center Y by doing the following:

            Source https://stackoverflow.com/questions/67380814

            QUESTION

            "bigint out of range" when computing factorial function in PostgresSQL
            Asked 2021-Jun-05 at 11:19

            As part of an intro to databases class, we've been told to create a function using PL/pgSQL that gives out a factorial of a number. Now since x! increases rapidly as a function, we've decided to return a bigint due to it being a large range integer.

            ...

            ANSWER

            Answered 2021-Jun-05 at 11:19

            Your conditional check should be inclusive of 21:

            Source https://stackoverflow.com/questions/67847983

            QUESTION

            Unexpected errors when rapidly writing to JSON files
            Asked 2021-Jun-04 at 06:33

            I'm trying to implement JSON logs for my Node.js server; however, when I rapidly send requests, JSON.parse() throws errors. I believe that this may be caused by the concurrent reading and writing to my log file, as the fs methods are asynchronous.

            One of the errors I received was:

            ...

            ANSWER

            Answered 2021-Jun-03 at 10:23

            Concurrent requests to your appendJson() method are the cause of your problem. While one web request is in progress another one comes in. You must organize access to the log file so only one concurrent access is in progress at any time.

            Something like this may work if you have just one log file.

            There's a fileAccessInProgress flag and a queue of items to write to the file. Each new item gets appended to the queue. Then, if file access isn't active, the contents of the queue get written out. If new items arrive while access is in progress, they get appended to the queue too.

            Source https://stackoverflow.com/questions/67819310

            QUESTION

            Algolia Firestore Sync - Large Dataset - Rapid Changes
            Asked 2021-Jun-03 at 22:18

            I am using Algolia for full text search of a Firestore collection. It works very well, from a search prespective.

            I am using Cloud Functions to sync the data - following the pattern found in many blog posts: I use the Firestore .onCreate() .onUpdate() and .onDelete() hooks to prompt updates to the Algolia index.

            e.g.

            ...

            ANSWER

            Answered 2021-Jun-03 at 22:18

            Since there's no way to guarantee the order of execution, it's hard to find a to write this particular function. But I can think of a few work-around for the problem you have:

            1. It sounds like you are only rapidly updating right after it's created? In that case maybe what can work is having your create write to a draft collection and have your update copy the updated data into the searchable collection.
            2. Rather than updating, add new documents with timestamp and filter the result at query-time.
            3. If your client can tolerate stale data, you can have a scheduled function that syncs all documents with Algolia.

            Source https://stackoverflow.com/questions/67828406

            QUESTION

            Disable system logs for Spring Boot app running as Linux init.d service
            Asked 2021-Jun-01 at 13:05

            I have a Spring boot application running on docker container as an init.d service. I followed the Spring Boot Unix/Linux Services guide to set it up.

            Since the application is being started as a daemon service, the operating system creates log file under the /var/log/ directory and records the application logs in there. The problem is that since the application has lots of logging, the file increases in size rapidly. Moreover, I have a logback configured to manage application logs, thus, I do not need the default system logging.

            I tried customizing the startup script but I only managed to change the default values (LOG_FILENAME and LOG_FOLDER), not remove them.

            So my question is: Is there a way I can disable system logs for specific init.d service? If yes, how?

            ...

            ANSWER

            Answered 2021-Jun-01 at 13:05

            One solution is to create .conf file having the same name as the application .jar file and put them into the same directory. For example:

            Source https://stackoverflow.com/questions/67434921

            QUESTION

            i am trying to center my an article with header and list items but the header has been centered but the list items are not properly aligning
            Asked 2021-May-31 at 18:01

            [image showing what I need to create

            ...

            ANSWER

            Answered 2021-May-31 at 17:55

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

            Vulnerabilities

            No vulnerabilities reported

            Install rapid

            You can download it from GitHub, Maven.
            You can use rapid like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the rapid component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            https://github.com/lalithsuresh/rapid.git

          • CLI

            gh repo clone lalithsuresh/rapid

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            git@github.com:lalithsuresh/rapid.git

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