I have a problem with Magento cron expression. It works fine with minutes:
<crontab>
<jobs>
<namespace_module_cron>
<schedule>
<cron_expr>*/15 * * * *</cron_expr>
</schedule>
<run>
<model>namespace_module/observer::myMethod</model>
</run>
</namespace_module_cron>
</jobs>
</crontab>
But it doesn't work when I set hours:
<cron_expr>0 1 * * *</cron_expr>
or
<cron_expr>0 */1 * * *</cron_expr>
I tried different time settings in admin panel. For now there are:
15
1
60
120
120
3000
P.S. Magento ver. 1.7.0.1
Update
I left every hour job (0 */1 * * *) for a day and it actually runs:
14:15
16:15
21:15
22:15
03:15
04:15
I've figured out what was wrong. It were settings (System/Configuration/System/Cron).
When I set up "Schedule Ahead for" to 60 it started to work properly (every hour and every day schedules).
For now schedule in database is appearing at 15:20 when I need to execute it 16:00.
Settings:
Generate Schedules Every: 15
Schedule Ahead for: 60
Missed if Not Run Within: 60
History Cleanup Every: 120
Success History Lifetime: 120
Failure History Lifetime: 3000
If you have the same problem, you should pay attention to first two settings: "Generate Schedules Every" and "Schedule Ahead for"
For every hour at 0 minutes (00:00, 01:00; 02:00 etc), you must put :
<cron_expr>0 * * * *</cron_expr>
I have defined the corn job like this.
03 16 * * *
when your cron.php runs at 16:02 o'clock then it will create only an entry about this cron job in database table cron_schedule and it will not run the cron job.
To run this cron job i need to run cron.php twice,
means after creating an entry in table you should run cron within 15 minitues, otherwise that entry is ignored.
So to run the cron job, you should run the cron.php periodically.
my cron job run every day at 16:03
and i run cron.php every after 10 minute
I know this is old, but it may still be relevant as I encountered something similar. How often is your cron.sh scheduled to run on your server. If the scheduler is set to every 60 minutes and it runs on the hour (12pm, 1pm 2pm... etc) and your Scheduled ahead time is set to 20 minutes (default i think), and your magento cron expression is, for example, 30 * * * *, or every hour on the half hour, you job will never run. Your cron.sh will only set up magento cron jobs up to 20 minutes ahead, and so the 12:30 job will not get scheduled, but since magento's cron.sh is set to run on the hour, it will never get scheduled. I suspect your original problem is something similar, because adjusting the "scheduled ahead" time past the time the magento cron should be scheduled fix an issue like this. Just something to look out for as well.
Related
I want to schedule a method to run every 24 hours and with the settings I have it is executing every 24 minutes.
I have referred below URL's which has different suggestions
Link 1 suggests <second> <minute> <hour> <day-of-month> <month> <day-of-week> <year> <command>
Link 2 suggests minute hour day(month) month day(week)
Below are the cron settings put in the application.yml of my Spring Boot application.
cron:
job:
expression: 0 0 23 * * ?
Could someone help on what are the correct source of information and what can be the settings with the requirements at hand.
0 0 * * *
This will run job at 12:00 am every day
If you run the scheduled job in spring the record must be as mentioned in first link:
0 0 23 * *
This will run the job at 23:00:00 every day
0 0 0 */1 * *
I am using this command to run once everyday. You can also use
0 0 0/24 * * *
to run once every 24 hours
I'm tring to run a function every 10 minutes.
According to the documentation, it is stated that e.g ("0 0/5 * * *?") Runs every 5 minutes since the program started, but why when I change 5 by 10 ("0 0/10 * * *?"), the function does not run every 10 minutes e.g (10:10 - 10:20 - 10:30)
Is it really me who misunderstands the Cron Expressions or the syntax is wrong.
here is typo in :
"0 0/10 * * *?"
should be
"0 0/10 * * * ?"
here is the useful resource CronMaker is a utility which helps you to build cron expressions. CronMaker uses Quartz open source scheduler.
I would like to execute a job in Jenkins with a cron every 15 minutes between a time range.
I tried with this:
15 8-19 * * 1-5
But it execute hourly. I want this:
Every 15 minutes From 8AM to 7PM and from Monday to Friday.
From the Jenkins' cron syntax:
* specifies all valid values
M-N specifies a range of values
M-N/X or */X steps by intervals of X through the specified range or whole valid range
To allow periodically scheduled tasks to produce even load on the system, the symbol H (for “hash”) should be used wherever possible.
According to the rules above you can use the following:
H/15 8-19 * * 1-5
If I under Stand Your question all you need is something like below :
*/15 4,7 * * * /bin/sample >/dev/null 2>&1
i use crontab generator Online to get crontab configuration
*/15 8-18 * * 1-5
This will give you what you want, but the last execution will be at 18:45.
*/x means 'execute once in a given 'x' minutes/hours/etc
I am working on a custom Magento module and set up a Cron job for it.
Every thing is working fine but i am worried about the unexpected behavior of Cron job ( Random number of execution ).
When i execute cron.php manually it calls the observer's method of my module more then 1 times (Number of execution is not fixed, some times 3 some time 5 etc).
I just want to execute observer's method only once.
Here is my code.
1) Daffodil/Birthdaywish/etc/config.xml
...
...
<crontab>
<jobs>
<daffodil_birthdaywish>
<schedule>
<cron_expr>* * * * * *</cron_expr>
</schedule>
<run>
<model>birthdaywish/observe::sendBirthdayMail</model>
</run>
</daffodil_birthdaywish>
</jobs>
</crontab>
...
2) Daffodil/Birthdaywish/Model/observe.php
Class Daffodil_Birthdaywish_Model_Observe {
public function sendBirthdayMail() {
echo "<h1>Hello</h1>";
}
}
If i execute cron.php the expected output should be
Hello
But the current output is some time
Hello Hello Hello and some time
Hello Hello Hello Hello Hello
I just want to know why the observer's method is executing number of times (Random number of times) ?
Is there any way to change the status of scheduled cron as "COMPLETE" so it will not execute twice ?
I assume this is because of your cron schedule:
<schedule>
<cron_expr>* * * * * *</cron_expr>
</schedule>
You specify that the cron should run all the time. Magento's cron.php simply collects all information from all the cron jobs and schedules them in the cron_schedule table in your Magento database.
The cron.php should be called all the time and it manages all other cronjobs.
Thus, for example if you set your cronjob to run once an hour and regularly call the cron.php then it will only run once per hour.
You would do that like this:
<schedule>
<cron_expr>0 * * * *</cron_expr>
</schedule>
so it runs every hour at 0 minutes (5 o'clock, 6 o'clock etc).
Also have a look here: http://www.magentocommerce.com/wiki/1_-_installation_and_configuration/how_to_setup_a_cron_job
I want to set a cronjob entry that runs a script every 30 minutes from 9:00 to 18:00 but I do not want it to run at 18:30. The script should run for the first time at 9:00 and for the last time at 18:00. Is this possible?
Yes, it is possible; cron itself can't solve the task, but it is possible using additional shell command:
*/30 9-18 * * * root [ $(date +%H%M) = 1830 ] || your_command
your_command will be executed if and only if the current time is not equal to 18:30
You might need to have two entries:
0,30 9-17 * * * /script
0 18 * * * /script
Alternatively, you could modify your script to check if it's close to 18:30 or not, and exit early if so.