python scheduler example

1. Create Class TimertestImportJava.util.Timer;ImportJava.util.TimerTask; Public classTimertest {Private FinalTimer timer =NewTimer (); Public voidstart () {Timer.schedule (NewTimerTask () { Public voidrun () {System.out.println ("Timed Tasks"); } }, 0, 2 * 1000); }}2. Run Test class tests Public class Test { publicstaticvoid main (string[] args) { // TODO auto-generated Method Stub new Timertest (); Aa.start (); }}Java Task

Reference:Not currently1 CreateEvent Event_demo2 onSchedule3Every1 DayStarts'2014-12-23 16:07:00'4 Do5 Insert intoDemo1 (col1, col2)Values(Date_format (Date_add (now), interval-1 Day),'%y-%m-%d'), Date_format (now (),'%y-%m-%d'));6 7 AlterEvent Event_demo8 onSchedule9Every1 DayStarts'2014-12-23 16:08:00'Ten Do One Insert intoDemo1 (col1, col2)Values(Date_format (Date_add (now), interval-1 Day),'%y-%m-%d'), Date_format (now (),'%y-%m-%d')); A - -Show variables like '%event%'; the - D

...Execute Job 3 every 5 seconds ...# # # removal JOB3 # # #Execute Job 1 every 5 seconds ...Execute Job 2 every 5 seconds ...# # # Pause Job1 and Job2 # # ## # # starts again job1 # # #Execute Job 1 every 5 seconds ...Execute Job 1 every 5 seconds ...# # # Modify JOB1 cron to execute once every 3 seconds # # #Execute Job 1 every 3 seconds ...Execute Job 1 every 3 seconds ...# # # Print the status of all jobs in memory # # #Execute Job 1 every 3 seconds ...Trigger details:job1, JobGroup1, NORMA

When it comes to scheduling scheduled tasks, it is believed that many people think of celery, or write a script that plugs into crontab. However, a small timing script, to use celery words too "heavy".So, I found a lightweight scheduled Task Scheduler library: schedule. Task Scheduler, a library of lightweight scheduled task scheduling: schedule. The installation of the library or the simplest pip install s

: ', Time.ctime (Time.time ()), nameTime.sleep (2)print ' 2event ', Time.ctime (Time.time ()), nameprint ' Start ', Time.ctime (Time.time ())Sche.enter (2,1,longevent, (' first ',))Sche.enter (3,1,longevent, (' second ',))Sche.run ()#当第一个事件一旦完成就会立即运行第二个事件 because the first event takes longer than the 2nd event, so it will exceed the start time of the second event#事件优先级#如果调度多个事件在同一个时间运行, use the priority of things to determine the order in which they will rundef yxevent (name):print ' event ', Ti

When it comes to scheduling scheduled tasks, I believe a lot of people will thinkCeleryCelery, or just write a script and plug it into the crontab. However, a small timing script, to use celery words too "heavy".So, I found a lightweight scheduled Task Scheduler library: schedule. The installation of the library or the simplest pip install schedule is easy to understand. We look at the simplest chestnuts:ImportScheduleImport TimedefJob ():Print("I ' m

Python Task Scheduler module celeryCelery IntroductionCelery Featurescelery Work Flow chartcelery installation and usePython Task Scheduler module celeryCelery Introduction Celery is a python-developed asynchronous distributed task scheduling module.Celery itself does not provide messaging services, using thir

Python decorator use example and actual application example, python example Test 1 Deco is running, but myfunc is not running Copy codeThe Code is as follows:Def deco (func ):Print 'before func'Return func Def myfunc ():Print 'myfunc () called'Myfunc = deco (myfunc) Test 2

/10/03 07:01:19 INFO CodeGen. Generateunsafeprojection:code generated in 124.624053 ms17/10/03 07:01:19 INFO executor. executor:finished task 0.0 in Stage 4.0 (TID 4). 2237 bytes result sent to driver17/10/03 07:01:19 INFO Scheduler. Dagscheduler:resultstage 4 (take at 17/10/03 07:01:19 INFO Scheduler. Dagscheduler:job 2 finished:take at 17/10/03 07:01:19 INFO Scheduler