I have a kubernetes cluster with a few nodes set up. I want to make sure that pods are distributed efficiently on the nodes. I'll explain: Let's assume that I have two nodes: Node 1 - 2gb ram No...

I have a method and I want it to be scheduled for execution in later times. The scheduling time and method's arguments depend on user inputs. I already have tried Timers, but I have a question. H...

I've written a script that uses two thread pools of ten threads each to pull in data from an API. The thread pool implements this code on ActiveState. Each thread pool is monitoring a Redis databas...

Microsoft's example for a forever/continous IHostedService at Implement background tasks in microservices with IHostedService and the BackgroundService class uses while+Task.Delay 'pattern'. This ...

I have the following singleton which should be executed when the web application starts but it does not, and the scheduled task does not run either. @Singleton @Startup public class Scheduler { p...

I have a service written in C# (.NET 1.1) and want it to perform some cleanup actions at midnight every night. I have to keep all code contained within the service, so what's the easiest way to acc...

I'm currently learning about CPU scheduling and I'm curious about the specifics on Windows 10's scheduling. From what I know a round-robin scheduling is used along with differing levels of priority...

I'm struggling to understand the difference between between preemptive and nonpreemptive kernels, and premptive & nonpreemptive scheduling. From Operating System Concepts (Ninth Edition), Silb...

I have a problem with jobs schedules with JobScheduler in new Android API 21. This is the code what I schedule the job with 60 seconds interval like below: ComponentName serviceName = new Componen...

Suppose a yarn application has long-running tasks (running for 1 hour or longer). When a MR job starts, all cluster resources are blocked, at least until one container is finished, which sometimes ...

Who schedules the scheduler? Which is the first task created and how is this first task created? Isn't any resource or memory required for it? isn't like a chicken and egg scenario? Isn't schedul...

I'm looking for some comparison between Quartz.NET and Windows Scheduled Tasks? How different are they? What are the pros and cons of each one? How do I choose which one to use? TIA,

I wanna create a notification system on my website?(something like stack-overflow) How can we schedule a task for mailing the notification for users on each 24 hours? Can we use MVC4 or we should ...

I bumped into this question and I am not sure if my solution is optimal. Problem Given N weighted (Wi) and possibly overlapping intervals (representing meeting schedules) , find the minimum numb...

I have a site on my webhotel I would like to run some scheduled tasks on. What methods of achieving this would you recommend? What I’ve thought out so far is having a script included in the top of...

I am trying to understand the difference between these two scheduling techniques. Everything is okay until I found an example where the deadline and the period are equal. What is the difference ...

Hi everyone, I need to schedule my python files(which contains data extraction from sql and some joins) using airflow. I have successfully installed airflow into my linux server and webserver of ai...

I have two kinds of tasks. Task A is generated by celerybeat every hour. It runs immediately, and generates a thousand (or many thousand) instances of Task B, each of which has an ETA of one day in...

DropWizard allows you to define administrative tasks and execute them remotely by hitting a URL. DropWizard apps also have a few built-in admin tasks, such as the Garbage Collector, which can be hi...

Sometimes whenever I write a program in Linux and it crashes due to a bug of some sort, it will become an uninterruptible process and continue running forever until I restart my computer (even if I...

I'm currently working on a website that will allow students from my university to automatically generate valid schedules based on the courses they'd like to take. Before working on the site itself...

I'm working on a functionality related to job scheduling in Java, where I'm required to schedule jobs based on days, weeks, or hours. I'm running into 2 problems: What is a good representa...

I'm reading Silberschatz's OS book. In section 16.8.1 it says: The fundamental problem with the elevator algorithm is that I/O operations cocentrated in a specific region of the disk can resul...

As is noted in Getting Started with LLVM Core Libraries there are three distinct instruction schedulers in the LLVM backend. One of them runs before register allocation and it can be selected using...

I have a mix of Spark versions (1.6, 2.0, 2.1) all deployed on YARN (Hadoop 2.6.0 / CDH 5.5). I'm trying to guarantee that a certain application will never be starved of resources on our YARN clust...