quartz scheduler 2.16 之集群
现在最新版本的quartz是2.16,这里简单介绍下这个版本下的集群。尝试过与spring的整合,但好像spring对这个版本还没办法整合,总有错。
先下载http://quartz-scheduler.org/downloads/catalog 然后运行quartz-2.1.6\docs\dbTables\tables_mysql_innodb.sql
LOGGER.debug("#######################init quartz ....###################");
Properties properties = new Properties();
properties.put("org.quartz.scheduler.instanceName","MyClusteredScheduler");
properties.put("org.quartz.scheduler.instanceId","AUTO");
properties.put("org.quartz.scheduler.skipUpdateCheck","true");
properties.put("org.quartz.threadPool.class","org.quartz.simpl.SimpleThreadPool");
properties.put("org.quartz.threadPool.threadCount","12");
properties.put("org.quartz.threadPool.threadPriority","5");
properties.put("org.quartz.jobStore.misfireThreshold","10000");
properties.put("org.quartz.jobStore.class","org.quartz.impl.jdbcjobstore.JobStoreTX");
properties.put("org.quartz.jobStore.driverDelegateClass","org.quartz.impl.jdbcjobstore.StdJDBCDelegate");
properties.put("org.quartz.jobStore.useProperties","true");
properties.put("org.quartz.jobStore.dataSource","myDS");
properties.put("org.quartz.jobStore.tablePrefix","QRTZ_");
properties.put("org.quartz.jobStore.isClustered","true");
properties.put("org.quartz.dataSource.myDS.driver",DBDRIVER);
properties.put("org.quartz.dataSource.myDS.URL",DBURL);
properties.put("org.quartz.dataSource.myDS.user",DBUSER);
properties.put("org.quartz.dataSource.myDS.password",DBPWD);
properties.put("org.quartz.dataSource.myDS.maxConnections","5");
// we must get a reference to a scheduler
SchedulerFactory sf = new StdSchedulerFactory(properties);
sched = sf.getScheduler();
LOGGER.info("------- Initializing ----------------------");
LOGGER.info("------- Initialization Complete -----------");
LOGGER.info("------- Scheduling Job -------------------");
// define the jobs and tie them to our HelloJob class
JobDetail job1_1 = newJob(HelloJob.class).withIdentity("job1", "group1").build();
JobDetail job2_1 = newJob(HelloJob.class).withIdentity("job2", "group1").build();
JobDetail job1_2 = newJob(HelloJob.class).withIdentity("job1", "group2").build();
JobDetail job2_2 = newJob(HelloJob.class).withIdentity("job2", "group2").build();
trigger1_1 = newTrigger()
.withIdentity("job1", "group1")
.startNow()
.withSchedule(
SimpleScheduleBuilder.simpleSchedule().withIntervalInSeconds(INTERVAL_IN_SECONDS)
.repeatForever())
.build();
trigger2_1 = newTrigger()
.withIdentity("job2", "group1")
.startNow()
.withSchedule(
SimpleScheduleBuilder.simpleSchedule().withIntervalInSeconds(INTERVAL_IN_SECONDS)
.repeatForever())
.build();
trigger1_2 = newTrigger()
.withIdentity("job1", "group2")
.startNow()
.withSchedule(
SimpleScheduleBuilder.simpleSchedule().withIntervalInSeconds(INTERVAL_IN_SECONDS)
.repeatForever())
.build();
trigger2_2 = newTrigger()
.withIdentity("job2", "group2")
.startNow()
.withSchedule(
SimpleScheduleBuilder.simpleSchedule().withIntervalInSeconds(INTERVAL_IN_SECONDS)
.repeatForever())
.build();
Trigger[] triggers = new Trigger[] { trigger1_1, trigger1_2, trigger2_1, trigger2_2 };
JobDetail[] jobDetails = new JobDetail[] { job1_1, job1_2, job2_1, job2_2 };
for (int i = 0; i < triggers.length; i++) {
JobDetail job = jobDetails[i];
Trigger trigger = triggers[i];
if (sched.checkExists(job.getKey())) {
// the job already exists in jdbcjobstore; let's reschedule it
sched.rescheduleJob(trigger.getKey(), trigger);
LOGGER.info(trigger.getKey() + "@@@@@@@@@@@@@@@@@RESCHEDULEJOB");
} else {
LOGGER.info(trigger.getKey() + "#####################SCHEDULEJOB");
sched.scheduleJob(job, trigger);
}
}
// Start up the scheduler (nothing can actually run until the
// scheduler has been started)
sched.start();
LOGGER.info("------- Scheduler Started -----------------");
// wait long enough so that the scheduler as an opportunity to
// run the job!
try {
Thread.sleep(DURATION_OF_FIRST_SCHEDULING * 1000L);
} catch (Exception e) {
}
}
先通过 properties构造 SchedulerFactory ,把job持久到数据库
SchedulerFactory sf = new StdSchedulerFactory(properties);
然后添加job,trigger到 SchedulerFactory
Properties 相关参数介绍如下:
#============================================================================ # Configure Main Scheduler Properties #============================================================================ #instanceName属性可为任何值,用在 JDBC JobStore 中来唯一标识实例,但是所有集群节点中必须相同 org.quartz.scheduler.instanceName=MyClusteredScheduler #属性为 AUTO即可,基于主机名和时间戳来产生实例 ID org.quartz.scheduler.instanceId=AUTO #============================================================================ # Configure ThreadPool #============================================================================ org.quartz.threadPool.class=org.quartz.simpl.SimpleThreadPool org.quartz.threadPool.threadCount=25 org.quartz.threadPool.threadPriority=5 #============================================================================ # Configure JobStore #============================================================================ org.quartz.jobStore.misfireThreshold=60000 #属性为 JobStoreTX将任务持久化到数据中。因为集群中节点依赖于数据库来传播 org.quartz.jobStore.class=org.quartz.impl.jdbcjobstore.JobStoreTX org.quartz.jobStore.driverDelegateClass=org.quartz.impl.jdbcjobstore.StdJDBCDelegate org.quartz.jobStore.useProperties=true org.quartz.jobStore.dataSource=myDS org.quartz.jobStore.tablePrefix=QRTZ_ #属性为 true,你就告诉了 Scheduler 实例要它参与到一个集群当中。这一属性会贯穿于调度框架的始终,用于修改集群环境中操作的默认行为 org.quartz.jobStore.isClustered=true #属性定义了Scheduler 实例检入到数据库中的频率(单位:毫秒) org.quartz.jobStore.clusterCheckinInterval=20000 #============================================================================ # Configure Datasources #============================================================================ org.quartz.dataSource.myDS.driver=com.mysql.jdbc.Driver org.quartz.dataSource.myDS.URL=jdbc:mysql://localhost:3306/jtxw?useUnicode=true&characterEncoding=utf8 org.quartz.dataSource.myDS.user=root org.quartz.dataSource.myDS.password=root org.quartz.dataSource.myDS.maxConnections=5 org.quartz.dataSource.myDS.validationQuery=select 1
官方配置参考地址:http://quartz-scheduler.org/documentation/quartz-2.1.x/configuration/
quick start : http://quartz-scheduler.org/documentation/quartz-2.1.x/quick-start
tutorials : http://quartz-scheduler.org/documentation/quartz-2.1.x/tutorials/
examples : http://quartz-scheduler.org/documentation/quartz-2.1.x/examples/
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