Questions tagged [scheduling]
A technique for scheduling tasks to be run at specific time or on specific event.
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LSF Requeue jobs with modified submission options
I have a script which computes a simulation on a cluster via LSF scheduler. In my setup the 'main.bash' executes the LSF job script 'simulator.bash'. If a thread/index fail for some reason, the jobs ...
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MS Project Calculating Finish Dates by Number of days from End Date
I am building out a timeline in MS Project where I need to work backwards from the end date. I am able to change the project settings to Schedule from Finish Date. I also have a task set for the ...
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Using Excel to Find Optimal Meeting Times
Given a set of people's availabilities across multiple days (e.g. Monday, 9-10 AM ET, 2-3 PM ET, etc), how can one use Excel (solver?) to find the optimal meeting times (i.e. overlaps in schedule ...
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VBA - Schedule tasks on oddly particular days
So I'm learning VBA with a lot of excel projects at work. I'm trying to see if I can get a macro I wrote to execute at certain times, autonomously. I've read articles on how to write a script to open ...
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1
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Is it possible to have your Outlook agenda show the days your are in the office?
I work full time, with regular office days from Monday - Friday (that's my workweek, also in Outlook). 2 days a week I'm in the office, the rest of the week I work from home. Using the scheduling ...
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Syncing OneDrive in fixed intervals instead of constantly
Sometimes during work, I generate and delete hundreds of temporary files that end up in different directories.
The directories are being synced with OneDrive, which ends up constantly shoving these ...
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Toshiba Satellite U500 laptop is powering on each day at 8:50 although BIOS doesn't have any settings for that
Toshiba Satellite U500 laptop is not in sleep state, but is completely turned off and is still powering itself on each day at 8:50 although BIOS doesn't have any settings for sheduled power on.
All ...
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How to use Outlook Scheduling Assistant to generate a list of available meeting times between all required parties?
I am on a project whereby the specific time of the meeting is less important than finding a time we can all meet. Thus, I'd like to have a method whereby I can have Scheduling Assistant suggest all ...
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Linux SMP system: User process, Kernel module functions, Kernel module interrupt handler, SLUBs: run on which core?
I'm having some uncertainties regarding the kernelspace / userspace behaviour of multicore multithread systems, especially in combination with allocations using SLUB.
Could you please give me some ...
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2
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Scheduled autoreply
Outlook allow autoreply only for a single specific period. Neither creating a customized rule on purpose allows my task.
I want to set autoreply repeatedly, for instance each day from 16:00 to 09:00 ...
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Python script using Crontab
I've written a python script that will check my roster for work (which is in google sheets), take some relevant details, place them in an email and send them to me.
When I run this script manually ...
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Is there a way to run a task when a process has completed its operation?
I am an expert in writing .bat files, I am experienced in writing .ps1 files, I just learned to use taskschd to create scheduled tasks.
Currently I can set a time to trigger a script, I know I can ...
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114
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How can I give temperature monitoring absolute priority over stress testing?
I am trying to stress test my home-built NAS for cooling problems.
Since neither stress, nor FIRESTARTER nor mprime95 look after the
temperatures, I want to write a small script that kills all of ...
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2
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383
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How can I schedule an e-mail in GMail using thunderbird
GMail has the magical "Send later" feature which allows for scheduling e-mails.
Is there a way of scheduling an e-mail through Thunderbird, using GMail's service, so that I can prepare e-mails in ...
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Windows Task Scheduler task doesn't run
I have a frustrating problem.
I'm trying to run a vbscript every hour on the hour with Windows Task Scheduler. Windows 10 Pro, not on a domain, logged on locally as a Windows user, not Microsoft ...
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OSX Scheduling Priorities for Newly Launched Apps
Is it true, that OSX gives higher priority scheduling to newly launched programs? At the startup my program runs fast, but after like 10 seconds becomes a bit slower for no obvious reason (FPS drop ...
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Guest OS sometimes stuck for minutes, with vSphere host and NFS storage
I have a vSphere host, assigned two storage: local and 200G NFS.
The Guest is linux with kernel3.10, 2 cores, 4GB memory, 10GB disk stored on NFS storage, filesystem is EXT4.
Network between the ...
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Why do modern multi-core operating systems still throttle scroll speed?
Someone asked Why did moving the mouse cursor cause Windows 95 to run more quickly? over on Retrocomputing.
Raffzahn's answer mentions that it's also possible to observe the effect of things running ...
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How do computer programs manage to have consistent speed at the assembly level?
As far as I know, the way OS and computers in general operate is that machine code is arranged by the scheduler into a list of instructions, which are then carried out by the CPU.
Since the amount of ...
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Task Scheduler starts two tasks on Idle Trigger and on idle end one task does not close
I am using command line to import two created xml files into the task scheduler whose purpose is to run never-ending batch files (keep running until terminated). Because they are never-ending I could ...
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rotating schedule of 2 items between 5 people
I do medical coding and there are 5 of us that code for a large practice. 2 of those doctors are the only ones that do certain procedures/surgeries so we want to rotate who does their charges so we ...
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CPU Burst or I/O Burst
If a process that currently is being executed faces an I/O Burst, will the next available process gain the CPU burst or will the processor wait until the I/O Burst of the first process finishes to ...
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Windows Task Scheduler - Task ending
I'm trying to schedule a task in windows task scheduler, that will run on every user logon, as the user creating it. The task needs to run an .exe, and then stop. The thing is, it keeps running for as ...
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DOS at command scheduling
I wanted to make a schedule that runs a (backupping) .bat program using at command on startup. If it isn't possible, then at 5 PM sunday.
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Timeshift schedules not working on Fedora and Manjaro. Why? Systemd?
Nowadays I am using Fedora and Manajro mostly. I use openSUSE and sometimes min Mint.
I have installed TimeShift in my machine with Manjaro and a friend's machine with Fedora. In both the scheduled ...
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Running a large number of small jobs in Windows, in parallel, with timeout capability
I need to process >50,000 files using a third-party .exe command-line application. The application takes only one input file at a time, so I have to launch the application >50,000 times.
Each file (...
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1
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Thread states linux vs windows
Linux has: ready, blocked, running, terminated.
Windows has: Ready, Deferred ready, Standby, Running, Waiting, Terminated, Initialized.
Why does Windows have so many states? What advantage does this ...
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Are process schedulers implemented at OS level or Hardware level?
Are process schedulers implemented in software or hardware? If it's done in hardware how does the hardware keep track of the number of processes and where they're located when they're inactive? If it'...
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does the gcc compiler have any relation with the OS scheduler? [closed]
All is in the title I want to know if is there any relation between the compiler and the scheduler ?
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3
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No Multi-Threading with R on Linux
I'm doing a statistical analysis using R on Ubuntu 15.10 operating system. My R script takes a very long time to complete. About 2 - 3 hours.
Meanwhile I've checked my CPUs load. I just noticed that ...
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How to determine the number of processes considered by the short-term scheduler for process allocation
My assignment is to write a script displaying the number of processes considered by the short-term scheduler for process allocation (processes currently ready to run) at any given time.
Now, writing ...
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Optimize linux USB hub IO scheduling for external harddrives
When using several harddrives on an USB 3.0 hub, copying large files between them gives transfer rates far below expectation. My guess is, that the hub introduces contention delays as we see if ...
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Adaptive per-user CPU quota/priority in Windows 8.1
We have a workstation computer in the office running Win 8.1 where multiple users remotely run cpu-intensive processes at the same time. The problem is that one user can hog the cpu making all ...
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Is the scheduling implemated by a particular OS unique?
I just wanted to ask that on a particular OS ,is the implementation of a scheduling algorithm unique,lets say I am implementing round-robin in my OS ,so will every task within my system get executed ...
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nice has no effect in Linux unless the same shell is used
If I enter in two different root terminals:
nice -n 19 burnK7 &
and
nice -n -19 burnK7 &
Then both processes receive about 50% of the available CPU time - not expected and certainly not ...
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Will Linux select the fastest CPU in a SMP system
In a system with for example two physical CPU's, four cores per CPU. If one physical CPU is slower (lower clockspeed, other model) will the Linux process scheduler be smart enough to migrate a high ...
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Is it possible to limit SSH access for certain users based on schedule?
As the title says, I'm looking for a way to limit SSH access to certain users, so that they can connect only during a certain time period.
Let's say, username "A" can access SSH only during office ...
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How to learn the current network scheduler used in my linux machine?
How can I learn what network scheduler for packet selection is used in my linux system?
Thanks!
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Does an operating system intervine after each time slice/quantum?
In the context of process scheduling, does the operating system intervene after each time slice/quantum ends? For example if the computer was idle and 4 tasks arrived : t1, t2, t3 and t4, and they got ...
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2
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Does an operating system itself take up resources (aside from the space it is installed on)?
I just finished a course on operating systems and the definition of an operating system is still unclear to me. Does any operating system itself take up resources such as CPU and memory? For example ...
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How a scheduler is scheduled?
A scheduler being a system program must be scheduled for execution so that it can wake up and schedule other programs. I read about process scheduling and algorithms but couldn't figure out how a ...
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1
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crontab schedule rule misunderstanding
I've got some strange behavior of one rule working unexpected.
*/40 * * * * myshellcommand here
I though it would run each 40 minutes, e.g.
00.00
00.40
01.20
02.00
etc
but instead it runs
00.00
...
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0
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CFQ hard drive scheduling algorithm
The CFQ algorithm uses an ordered set of queues based on the I/O priority of the processes that made the requests. That means there's a queue for process of priority, let say, 1, another one for ...
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Linux/Bash, how to schedule commands in a FIFO queue?
I want the ability to schedule commands to be run in a FIFO queue. I DON'T want them to be run at a specified time in the future as would be the case with the "at" command. I want them to start ...
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Modifying the linux scheduler
I want to change specific parameters of the linux CFS scheduler like the virtual runtime of particular processes dynamically ( vruntime parameter in the sched_entity ). Is there any definite method to ...
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Unresponding program on a low level standpoint
When a program doesn't respond, on a low level (maybe even down to cpu instructions), what exactly happens? Does the cpu scheduler fail to get a response from the cpu on whether the program executed ...
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Increasing value of sched_latency_ns and sched_min_granularity_ns
Why do I get an error message when I try to increase the values of these two parameters:
#cat /proc/sys/kernel/sched_latency_ns
1000000000
#echo 2000000000 > /proc/sys/kernel/sched_latency_ns
bash:...
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schtasks in windows XP
I am trying to use schtasks to create a scheduled task. While I have no problem using this utility on my Windows 8 machine (or Windows 7 for that matter), I find that XP machines don't have this exe ...
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1
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Can kvm guest get more CPUs than it has?
When I run a vm with a single virtual CPU inside KVM, is it possible that the vm can actually get more CPU cycles than one whole CPU can has, if there is no other vm running in the host? In another ...
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Is there an rsync-like mode for WinSCP (or a similar tool)?
I need to be able to do a periodic sync of content off my Windows 7 x64 laptop to my offsite CentOS 6 webserver.
Is there a tool/mode like rysnc for WinSCP or similar?
For a variety or reasons, ...