smart scheduler

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

131.240 in database Configure Database [NQSError: 46029] libclntsh. so.10.1: wrong ELF class: ELFCLASS64 Error Specify the LD_LIBRARY_PATH = $ ORACLE_HOME/lib32 64bit library. Pay attention to the differences between 32bit and 64bit oracle and oraclebi. NQSError: 17014 ORA-12154 Configure a local tnsnames. ora data source named 131.240, which is consistent with the DSN name in schconfig. NQSError: 17014 incorrect ORA-01017 user name and password Configure the database username and password in s

Appcmd Restore backup command to restore the IIS configuration: appcmd Restore Backup BackupName$iispath=$iisfolder+"\"New-alias-name Appcmd-value$env: windir\system32\inetsrv\appcmd.exeappcmd Add backupxcopy/s/y C:\Windows\System32\inetsrv\backup$iispath#Export a task schedule, use the Schtasks/create command to import a task plan$Schedule= new-object-com"Schedule.service"$Schedule. Connect ()$Schedules=$Schedule. GetFolder ("\"). Gettasks (0)If($TaskName -eq $null){ Foreach($task inch $Sched

The first step is to go into the admin tool, find the Task Scheduler, and then open it and see that there are a lot of options on the main page, and then I click on the first folder under the program and it's easy to look at the picture. And then came out of the subfolder of the page, there are a lot of features, and then I saw my computer service is not turned on, is disabled, and then I will be the service program features open, and then the la

Task by TIME Chip LUN practiceeg:while (1){if (task_delay[0]==0)Task1 ();if (task_delay[1]==0)Task2 ();}void Time0 (void) interrupt1{for (i=0;i{if (Task_delay[i])task_delay[i]--;}This structure is suitable for each task time below 10msIf the length of time as 18B20 initialization can be divided into multiple fragments ( state machine )eg:Case 0: ... Flag=1;Case 1:flag=2;The system is implemented by the priority levelwhile (1){for (i=0;i{if (task_delay[i]==0) {run (task[i]);}}Note the break !!!

Document directory Defaultscheduler First, let's take a look at the definition of the ischeduler interface, which mainly implements two interfaces: Prepare and schedule. package backtype.storm.scheduler;import java.util.Map;public interface IScheduler { void prepare(Map conf); /** * Set assignments for the topologies which needs scheduling. The new assignments is available * through Defaultscheduler Defaultscheduler to implement the backtype. Storm.

view jobs managed by SCHEDULER, You can query them in two views: USER_SCHEDULER_JOB_LOG and USER_SCHEDULER_JOB_RUN_DETAILS. RESTARTABLE: Specifies whether jobs can be restarted in due time after an error occurs during running. If this parameter is not explicitly specified during Task creation, it is set to FALSE by default. If it is set to TRUE, it indicates that an error occurs during task running and the task will still be started at the next ru

Compile a crontab scheduler task in the CentOS Environment During host management, we often do some things every day. To avoid manual operations every time, we can write scheduled tasks to automatically execute the host periodically according to the schedule. Install and startUnder CentOS: Yum install vixie-cronYum install crontabsThe former is usually installed on the latter.Start the service. Service crond startYou must start the service. System-lev

SST-Structure Analysis of super simple task schedulerSST (Super Simple Task) is a Super Simple Task scheduler based on Task priority, preemptible, event-driven, RTC, and single stack. It is based on the idea of Rober Ward, miro Samek is implemented by re-programming in C. It is the basic idea of QK in QP. QK, the method for processing state machine events (QEP), the task registration and event storage and distribution functions (QF), the serial port d

Run the yum command in CentOS to install the crontab program of the scheduler.Overview With the "Task Scheduler", you can schedule any script, program, or document to run at a very convenient time. In general, it is to regularly execute a script or program.Common usage Timed ShutdownRegular check for updatesRegularly back up system configurations, databases, and logsRegular cleanup of junk filesCheck whether the installation is complete. # crontab-bas

2033 const struct sched_class rt_sched_class = {2034 .next = fair_sched_class,2035 .enqueue_task = enqueue_task_rt,2036 .dequeue_task = dequeue_task_rt,2037 .yield_task = yield_task_rt,2038 2039 .check_preempt_curr = check_preempt_curr_rt,（blank）2040 2041 .pick_next_task = pick_next_task_rt,2042 .put_prev_task = put_prev_task_rt,（blank）2043 2044 #ifdef CONFIG_SMP2045

practice this content. Screenshots show how you use unit test of Vs to ensure the quality of the classes you write. Show unit test's coverage for your written class Draw a UML diagram to show the relationships between entities (just draw a diagram) Describes the key of your algorithm (without listing the source code) and its uniqueness. Actually, there is nothing in the algorithm ...... And have no unique features. Because I was preparing to write a kind of intelligent elevator at the beginn

Virtual Web Host:Build LNMP ServiceInstallationNginxMARIADB, Mariadb-server, Mariadb-develPHP, PHP-FPM, Php-mysqlStart Nginx, MariaDB, FPM service;and test whether the LNMP is working properly.Build two Web services with different domain namesProxy Server:Build Nginx Service#vim/usr/local/nginx/conf/nginx.conf......HTTP {Server_tokens off;Client_header_buffer_size 1k;Large_client_header_buffers 4 4k;Include Mime.types;Default_type Application/octet-stream;Upstream Web {Server 201.1.2.100 weight=

/bin/run-parts, functions to execute all scripts/programs in a directory.Run-parts/etc/cron.hourly executes all scripts/programs under directory/etc/cron.hourly/.Run-parts below is the command to runThe first line means: 65 minutes a day after the boot to check whether the cron.daily file is executed, if not executed today to execute hisThe second line means: Every 7 days after the boot 70 minutes to check whether the cron.weekly file is executed, if not executed within a week to execute hisAnd

-mm-dd-hh-mm- SS;2 * * 7/bin/cp-a/etc/fstab/backup/fstab-' date +f '12 o'clock every night, get all lines in the/proc/meminfo file that begin with S or M, append to the/statistics/meminfo.txt file, and precede the daily message with a similar =============== separator line[[email protected] ~]# mkdir-pv/statisticsmkdir:created directory '/statistics ' 0 0 * * */bin/echo-e "===========\n" >>/statistics/meminfo.txt /bin/grep "^[s| M] "/proc/meminfo >>/statistics/meminfo.txtHow to use the Task

; default management of their own;-l:list, list the tasks;-r:remove to remove all tasks;-e:edit, edit, open a default editor for the current shell session to edit the cron task table;Ctrl+d Submitting a taskExample: I write to/etc/crontab1, every Monday to Saturday 3:20 A.M., run the CP command to archive the/etc/directory, storage location is/BACKUPS/ETC-YYYY-MM-DD;3 * * 1-6 root/bin/cp-a/etc//backups/etc-' date +%f ' >/dev/null 2>12, every Sunday 2:30 A.M., run the CP command to backup the/etc

protected] ~]# CRONTAB-L20 3 * * 1-6/bin/cp/etc-rpf/backups/etc-' file\%y-\%m-\%d 'title: Every Sunday wee 2 minutes, run the CP command to backup the/etc/fstab file, storage location is /backup/ Fstab-yyyy-mm-dd-hh-mm-ss[[email protected] ~]# CRONTAB-L30 2 * * 7/bin/cp/etc/fstab/backup/fstab-' file\%y-\%m-\%d-\%h-\%m-\%s 'q : every night , get all lines starting with S or M in the/proc/meminfo file , append to /statistics/ Meminfo.txt file, and the daily message is preceded by a similar =====

/sbin/backup.sh ' 14th per month, 4:10 "/bin/sh/usr/local/sbin/ backup_month.sh " execute every 8 hours ntpdate time.windows.com " "/bin/sh/usr/local/sbin/test2.sh" at 9 to 18 O ' Day exercise answer: 1. 201***echo "" >/var/log/slow.log 2. 03**0/bin/sh/usr/local/sbin/backup.sh 3.10 414**/bin/sh/usr/local/sbin/backup_month.sh 4.0 */8***ntpdatetime.windows.com 5.01,12,18 ***/bin/sh/usr/local/sbin/test.sh 6.09-18* **/bin/sh/usr/local/sbin/test2.s

notation:1. Specific time: All valid values in the range of valid values for a given point in time;0 5 3 9 *2. Wildcard Time: *, meaning "every ..." means, all valid values at a given point in time;* * * * *3. Discrete time: At a given point in time, use commas to separate;0 8,20 * * 1,3,54. Continuous time: At a given point in time, use a minus sign to separate;0 8 * 1-55. Step time: At a given point in time, use division sign to separate;*/2 * * * **/7 * * * * This method does not implement s

remove the parameter Rum-parts, you can write a script name to run, not the folder name.* * * * * Root run-parts/etc/cron.hourly4 * * * Root run-parts/etc/cron.daily4 * * 0 root run-parts/etc/cron.weekly4 1 * * Root run-parts/etc/cron.monthly[[email protected] etc]# ls cron*Cron.deny crontabCRON.D:0hourly SysstatCron.daily:Logrotate Makewhatis.cron Mlocate.cron prelink Readahead.cron tmpwatchCron.hourly:0anacron Mcelog.cronCron.monthly:Readahead-monthly.cronCron.weekly:99-raid-check[[email prot