Category "scheduling"

Why can low priority processes affect the latency of an high priority process?

I have tested the rt process's latency by cyclictest. And found that when I launch a few lower priority rt processes(priority is 40) the high priority rt proces

A pthread with SCHED_RR and higher real time priority failed to preempt a kthread in kernel module with lower priority

Preface: I have two threads: one kernel thread and one userspace pthread. I assume pthread set to SCHED_RR with higher rt priority should preempt a kthread with

Spring Boot : execute a job at a particular Date entered by the user

Im trying to manage scheduled tasks using spring boot. I want to execute my job only one time at a particular date ( specified by the user ). Here is my Job :

How to check if celery task is already running before running it again with beat?

I have a periodic task scheduled to run every 10 minutes. Sometimes this task completes in 2-3 minutes, sometimes it takes 20 minutes. Is there any way using

Xinu - Setting new priority for a Suspended state process

I have created a process X in Xinu along with other two processes (y, z). The y and z are high priority than X, so they both are running as per scheduling polic

Round-Robin Scheduling with Arrival Times

So in class, my professor was going over round robin scheduling. Consider this situation: Job | Arrival | Burst A | 0

Is it better to start multiple erlang nodes per machine, or just one per machine?

Preface: When I say "machine" below, I mean either a physical dedicated server, or a virtual private server. When I say "node" I mean, an instance of the erlan

Finding Last Fired time using a Cron Expression in Java

Is there a way in Java to find the "Last Fired Time" from a Cron Expression? E.g. If now = 25-Apr-2010 10PM, and the cron expression is 0 15 10 ? * * (quartz),

Finding Last Fired time using a Cron Expression in Java

Is there a way in Java to find the "Last Fired Time" from a Cron Expression? E.g. If now = 25-Apr-2010 10PM, and the cron expression is 0 15 10 ? * * (quartz),

Finding Last Fired time using a Cron Expression in Java

Is there a way in Java to find the "Last Fired Time" from a Cron Expression? E.g. If now = 25-Apr-2010 10PM, and the cron expression is 0 15 10 ? * * (quartz),

Finding Last Fired time using a Cron Expression in Java

Is there a way in Java to find the "Last Fired Time" from a Cron Expression? E.g. If now = 25-Apr-2010 10PM, and the cron expression is 0 15 10 ? * * (quartz),

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