question Re: Setting the time in the Run Schedule of a processor in Archives of Support Questions (Read Only)

Setting the time in the Run Schedule of a processor

dhieru — Wed, 25 Oct 2017 04:21:09 GMT

Hi All,

Thanks a lot to this awesome community

There is a use case where my processor should run daily at time 9:01 am cst.

question 1. Does it follow any time zone, do I need to provide it?

In addition after reading the docs here https://docs.hortonworks.com/HDPDocuments/HDF1/HDF-1.2/bk_UserGuide/content/scheduling-tab.html

my value for Run schedule would look like for every day at 9:01 am cst

* 01 09 * * *

does the above value look correct?

Re: Setting the time in the Run Schedule of a processor

Shu_ashu — Wed, 25 Oct 2017 04:58:30 GMT

@dhieru singh

in processor scheduling tab click on Scheduling strategy and select Cron Driven and in Run schedule change the cron expression to

0 1 9 1/1 * ? *

it follows your local timezone.

So if you want to run at cst time then you need to adjust cron scheduling by cst time.

Example:-

If i need to run processor at 9:01am CST time and my local time is EST then i need to schedule processor to run at 8:01am EST because EST is 1 hour ahead of CST.

Expression would be

 0 1 8 1/1 * ? *

You can make or evaluate cron expressions by using below link

http://www.cronmaker.com/

Re: Setting the time in the Run Schedule of a processor

Wynner — Wed, 25 Oct 2017 05:08:18 GMT

@dhieru singh @Shu

It will only use your local timezone if the system NiFi is running on is configured to use your timezone. If your system is configured to use GMT, then you will have to adjust your cron schedule to account for the time difference.

Re: Setting the time in the Run Schedule of a processor

dhieru — Wed, 25 Oct 2017 05:14:05 GMT

@Wynner By local time zone we mean the system time on my nifi nodes.

Re: Setting the time in the Run Schedule of a processor

Wynner — Wed, 25 Oct 2017 18:59:09 GMT

@dhieru singh

Thank you for the clarification. From the discussion that was not clear to me.

Re: Setting the time in the Run Schedule of a processor

dhieru — Wed, 25 Oct 2017 19:18:21 GMT

@Wynner Thanks a lot and appreciate your help always