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Questions tagged [scheduling]

59 questions
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What is a "virtual context switch"

IBM's AIX has a "virtual context switch" column in lparstat but neither IBM's redbooks nor google searches will tell me what exactly a virtual context switch is and how its different from a regular context switch. All my searches yield what a…
bot403
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MYSQL Scheduled backups?

I have mysql installed on my web server, which I am accessing using PHPMyAdmin. My client asked me following: Install PhpBB Setup MYSQL Scheduled backup I have installed PhpBB successfully but hwo to do the 2nd one. I am using PhpMyAdmin to…
djmzfKnm
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Howto check on arcgisserver if service (published map) is started?

I have an ArcGIS Server from Esri running and I need to check every hour if some published services (maps) are running. WMS and WFS.
wurlog
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How to see contents of output queue of NIC in Linux and introspect frame delay

I am experimenting with tc tool to implement prioritization of specific data coming from my computer and would like to see exatly how the frames are scheduled and how much time they spend in the qdisc queue before the transmission (before being…
Hadarelv
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Finding wasteful or over-provisioned pods on a "full" but underutilized Kubernetes cluster

I work on a Kubernetes cluster where, right now, about 95% of the CPUs and 90% of the memory have been allocated to pods. However, according to the Kubernetes Dashboard, the overall instantaneous CPU load on the cluster is only about 5% of the total…
interfect
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Prevent multiple cron jobs from running concurrently

My server runs a number of cron jobs at midnight. Each job creates a backup of something, by creating a tarball and compressing it with xz. Since xz is a CPU and memory pig, I added a random delay to each job, so they "should not" clobber each…
lonix
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Can a linux process be configured to run ANY time it is ready?

I have a process that does a small amount of work, then goes to sleep for 1-5ms. When that sleep time is up, I want that process to get the CPU IMMEDIATELY! Whatever process is already on the CPU needs to be ejected instantly to make way for the new…
user37244
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User's Free/Busy status not viewable in "Scheduling Assistant" in Outlook client only

This is a weird one, and I've been Googling for days without any luck. I have a client who runs Exchange/Outlook 2016. Jane Doe is in the Marketing department, and her AA (John Smith), and a few others in that department (We'll call them Jimmy,…
Josh B
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Gentoo running unknown scheduler

I inherited management of a Gentoo based server (Gentoo Base System release 2.3, 4.4.26-gentoo) that is invoking a number of php scripts each night but I can't figure out how. I don't see them referenced in any user's crontab and I don't see…
Mike Howell
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Schedule email forwarding in Office 365

Is it possible to schedule email forwarding start/stop in Office 365? I see a way to enable/disable in both the Office 365 and Exchange sides, but no way to schedule it. Exchange mail flow rules don't have a date/time criterion. I could write a…
wmassingham
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How to prevent a particular CPU core from being used?

Is it possible to prevent a CPU core from being used by the OS in Linux? The maxcpus= boot parameter prevents specified number of cores from being seen in the OS. I want that all cores be visible but yet only some be used by the OS for scheduling…
tejus
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Why my task has 0x5 Access denied exit code with Task Scheduler if script was finished?

I have following batch script: copy \\remotehost.ip\c$\dumps\TEST_%date%.dmp C:\dumps\TEST_%date%.dmp sqlplus sys/password as SYSDBA @C:\dumps\recreate_test.sql > C:\dumps\recreate_test.log timeout /t 10 impdp system/password@sid…
Dracontis
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Bacula alternative weekly schedule?

How to schedule Job1-Job5 to be run as shown below? Sun Mon Tue Wed Thu --------------------------- Job1 Job2 Sun Mon Tue Wed Thu --------------------------- Job3 Job4 Job5 Sun Mon Tue Wed …
geek
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How can I run a few tasks consecutively that I usually execute manually

Ok, first of all let me describe my working situation so that is is clear why this is a question pertaining to system administration. I work at a larger IT solution company that is running operations for a large scale email service (5 million users)…
Alex Lehmann
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need at jobs identified by name (advanced atd daemon)

Sometimes I'd like to delete or overwrite (or simply cat) an at job. Unfortunately, the at jobs are identified by a sequential number (file in /var/spool/cron/atjobs), which makes those operations complicated. Is there a way, probably an advanced…
stoqlt
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