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UNIX for Advanced & Expert Users
Monitoring Crontabs
Post 302346725 by r00t4u on Monday 24th of August 2009 02:56:31 AM
08-24-2009
Quote:
At this stage, it's still a relatively small environment so cron still sounds viable. But if you have a task running every minute, consider the implications if it starts hanging, you'd blow out cron's lmit on concurrent jobs in just under two hours and all cron jobs would stop.
Might I suggest just having a while - do - sleep60 loop instead? You can use cron to watchdog that script if required too
But if you are going to want to scale this up at any point, I'd recommend moving away from cron altogether and going to something like control-m or one of the other fine centralised automation tools and save yourself a costly migration later on.
Might I suggest just having a while - do - sleep60 loop instead? You can use cron to watchdog that script if required too
But if you are going to want to scale this up at any point, I'd recommend moving away from cron altogether and going to something like control-m or one of the other fine centralised automation tools and save yourself a costly migration later on.
See these jobs are very small jobs which last i guess a max 2 - 3 mins. that's why these are scheduled on the localhost only. More over getting a dedicated server as a scheduler which run it from other end and tries to archive the data from the webserver will be a extra effort for network. I have look from the network side as well. Becoz they are running on localhost so, network is not bothered about these jobs.
Secondly i completely agree with you that what if they hung we might end up in real dead zone. But i have already tried to cure that by putting a script which works like a watch dog on these scripts and which prevents them to raise more than what they expected too.
So, in my situation having a tool like control-m will be help, i am not very confident about it.
But my real question was is there something we can do to integrate cronjob with something which is UI and from there we can keep and eye on jobs.
I heards something called "hudson" which keeps tracks of concurrent jobs like cron jobs. but i never used it. Any idea bout this software...or any other software in mind to resolve this issue, or any out of the box integration in mind which can be helpful in this situation.
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