# How can I schedule Logstash jdbc input ro run on specific minutes?
**URL:** https://discuss.elastic.co/t/how-can-i-schedule-logstash-jdbc-input-ro-run-on-specific-minutes/79229
**Category:** Logstash
**Created:** [March 20, 2017, 10:15am UTC](https://discuss.elastic.co/t/how-can-i-schedule-logstash-jdbc-input-ro-run-on-specific-minutes/79229 "2017-03-20T10:15:46Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@elasticheart](https://discuss.elastic.co/u/elasticheart)
#### Post date: [March 20, 2017, 10:15am UTC](https://discuss.elastic.co/t/how-can-i-schedule-logstash-jdbc-input-ro-run-on-specific-minutes/79229/1 "2017-03-20T10:15:46Z")
Hi,
I am using ELK GA 5.0.0. I have set Logsrash jdbc to run on every 15th minute like;
```
schedule => "15 * * * *"
```
Now, I want to change this scheduler, to run on every 0th, 15th, 30th and 45th minute. How can I do this?
Thanks in advance.
---
### Author:  [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)
#### Post date: [March 20, 2017, 11:04am UTC](https://discuss.elastic.co/t/how-can-i-schedule-logstash-jdbc-input-ro-run-on-specific-minutes/79229/2 "2017-03-20T11:04:12Z")
No, what you have runs it at 15 minutes past the hour, every hour. `*/15` means every 15 minutes. You're looking for `0,15,30,45`.
Note that the notation used is (more or less) the standard crontab notation so there's plenty of documentation and examples out there.
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [April 17, 2017, 11:04am UTC](https://discuss.elastic.co/t/how-can-i-schedule-logstash-jdbc-input-ro-run-on-specific-minutes/79229/3 "2017-04-17T11:04:45Z")
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