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Solving starvation problems in the scheduler [Posted March 22, 2006 by corbet] The Linux CPU scheduler has come a long way since the early 2.6 days, when it was the cause for quite a bit of worry. Scheduling domains fixed many of the problems on larger systems, while a whole set of interactivity heuristics made desktops work better. The interactivity work, in particular, is based on the notion ...
I found the patch about sched_core(written by davidxu) from mailing list. It may be helpful for somebody who wanna write his own scheduler. From: "Stepan A. Baranov" Subject: scheduler CORE for RELENG_6 Hello, I prepared patch to port scheduler from HEAD to RELENG_6. I applied this patch for my workstation and scheduler CORE works fine. After applying patch you can say: options SCHED_CO...
之前Mysql版本5.0.*升级到5.1.25主要为了使用event_scheduler 但是装了5.1.25后忘记重新初始化了！使用的还是5.0.*的mysql数据文件 导致现在 event_scheduler=1后系统报错 mysql> SET GLOBAL event_scheduler = ON; ERROR 1577 (HY000): Cannot proceed because system tables used by Event scheduler were found damaged at server start 解决办法我有一个不好很土卡。。。 就是dump出现在的数据然后再重新初始化一个新的5...
定时任务命令crontab定制的内容与系统中的task scheduler的内容是否一致?二者有何区别或者联系?有一台机器主机的task scheduler无法打开,提示因网络原因无法打开,请问如何解决?
我想在每周一的00：00：00点更新一次表中的内容，我写了个这样的event CREATE EVENT e_test ON SCHDULE EVERY 1 MINUTE( 用1分钟测试下） STARTS '2009-06-11 00:00:00' DO INSERT INTO test( time) VALUES(CURRENT_TIMESMTAP); 但是这样的event的问题就是因为starts 的时间比创建event的时间要早， 他就是从这个event创建的时间作为起始时间然后每隔一分钟做一次插入操作 如果我想插入的数据是 '2009-06-11 00:01:00' '2009-06...
如果我想每周一12点更新一次，是不是只能指定某个周一的12点做为起始时间然后设定每隔7天做一次更新呢 有可能直接设置每周一12点更新吗， 还有就是在第一种情况下，比如时间已经过去了2周，更新做过了2次，但是这时候MYSQL需要重新启动，第一种情况的执行还会正常吗，谢谢
BEGIN DBMS_scheduler.create_program ( program_name => 'test_plsql2', program_type => 'PLSQL_BLOCK', program_action => 'BEGIN create table ccc as select * from aaa; END;', enabled => TRUE, comments => 'create using a PL/SQL block.'); END; / DBMS_scheduler.create_job ( job_name => ...
