调度全异步处理：任务触发之后，推送到调度队列，多线程并发处理调度请求，提高任务调度速率的同时，避免因网络问题导致quartz调度线程阻塞的问题；

doc/XXL-JOB官方文档.md

@@ -1236,6 +1236,7 @@ Tips: 历史版本(V1.3.x)目前已经Release至稳定版本, 进入维护阶段
 - 17、自研Log组件参数占位符改为"{}"，并修复打印有参日志时参数不匹配导致报错的问题；
 - 18、核心依赖Core内部国际化处理；
 - 19、默认Quartz线程数调整为50；
+- 20、调度全异步处理：任务触发之后，推送到调度队列，多线程并发处理调度请求，提高任务调度速率的同时，避免因网络问题导致quartz调度线程阻塞的问题；
 
 
 ### TODO LIST

xxl-job-admin/src/main/java/com/xxl/job/admin/core/jobbean/RemoteHttpJobBean.java

@@ -1,6 +1,6 @@
 package com.xxl.job.admin.core.jobbean;
 
-import com.xxl.job.admin.core.trigger.XxlJobTrigger;
+import com.xxl.job.admin.core.thread.JobTriggerPoolHelper;
 import org.quartz.JobExecutionContext;
 import org.quartz.JobExecutionException;
 import org.quartz.JobKey;
@@ -26,7 +26,8 @@ public class RemoteHttpJobBean extends QuartzJobBean {
 		Integer jobId = Integer.valueOf(jobKey.getName());
 
 		// trigger
-		XxlJobTrigger.trigger(jobId);
+		//XxlJobTrigger.trigger(jobId);
+		JobTriggerPoolHelper.trigger(jobId);
 	}
 
 }

xxl-job-admin/src/main/java/com/xxl/job/admin/core/schedule/XxlJobDynamicScheduler.java

@@ -4,6 +4,7 @@ import com.xxl.job.admin.core.jobbean.RemoteHttpJobBean;
 import com.xxl.job.admin.core.model.XxlJobInfo;
 import com.xxl.job.admin.core.thread.JobFailMonitorHelper;
 import com.xxl.job.admin.core.thread.JobRegistryMonitorHelper;
+import com.xxl.job.admin.core.thread.JobTriggerPoolHelper;
 import com.xxl.job.admin.core.util.I18nUtil;
 import com.xxl.job.admin.dao.XxlJobGroupDao;
 import com.xxl.job.admin.dao.XxlJobInfoDao;
@@ -93,6 +94,10 @@ public final class XxlJobDynamicScheduler implements ApplicationContextAware {
     }
 
     public void destroy(){
+
+        // admin trigger pool stop
+        JobTriggerPoolHelper.toStop();
+
         // admin registry stop
         JobRegistryMonitorHelper.getInstance().toStop();
 

xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobTriggerPoolHelper.java

@@ -0,0 +1,59 @@
+package com.xxl.job.admin.core.thread;
+
+import com.xxl.job.admin.core.trigger.XxlJobTrigger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * job trigger thread pool helper
+ *
+ * @author xuxueli 2018-07-03 21:08:07
+ */
+public class JobTriggerPoolHelper {
+    private static Logger logger = LoggerFactory.getLogger(JobTriggerPoolHelper.class);
+
+
+    // ---------------------- trigger pool ----------------------
+
+    private ThreadPoolExecutor triggerPool = new ThreadPoolExecutor(
+            50,
+            500,
+            60L,
+            TimeUnit.SECONDS,
+            new LinkedBlockingQueue<Runnable>(100000),
+            new ThreadPoolExecutor.CallerRunsPolicy());
+
+
+    public void addTrigger(final int jobId){
+        triggerPool.execute(new Runnable() {
+            @Override
+            public void run() {
+                XxlJobTrigger.trigger(jobId);
+            }
+        });
+    }
+
+    public void stop(){
+        //triggerPool.shutdown();
+        triggerPool.shutdownNow();
+        logger.info(">>>>>>>>> xxl-job trigger thread pool shutdown success.");
+    }
+
+    // ---------------------- helper ----------------------
+
+    private static JobTriggerPoolHelper helper = new JobTriggerPoolHelper();
+
+
+    public static void trigger(int jobId) {
+        helper.addTrigger(jobId);
+    }
+
+    public static void toStop(){
+        helper.stop();
+    }
+
+}

xxl-job-admin/src/main/java/com/xxl/job/admin/service/impl/XxlJobServiceImpl.java

@@ -5,6 +5,7 @@ import com.xxl.job.admin.core.model.XxlJobGroup;
 import com.xxl.job.admin.core.model.XxlJobInfo;
 import com.xxl.job.admin.core.route.ExecutorRouteStrategyEnum;
 import com.xxl.job.admin.core.schedule.XxlJobDynamicScheduler;
+import com.xxl.job.admin.core.thread.JobTriggerPoolHelper;
 import com.xxl.job.admin.core.util.I18nUtil;
 import com.xxl.job.admin.dao.XxlJobGroupDao;
 import com.xxl.job.admin.dao.XxlJobInfoDao;
@@ -275,7 +276,11 @@ public class XxlJobServiceImpl implements XxlJobService {
 
 	@Override
 	public ReturnT<String> triggerJob(int id) {
-        XxlJobInfo xxlJobInfo = xxlJobInfoDao.loadById(id);
+
+		JobTriggerPoolHelper.trigger(id);
+		return ReturnT.SUCCESS;
+
+        /*XxlJobInfo xxlJobInfo = xxlJobInfoDao.loadById(id);
         if (xxlJobInfo == null) {
         	return new ReturnT<String>(ReturnT.FAIL_CODE, (I18nUtil.getString("jobinfo_field_id")+I18nUtil.getString("system_unvalid")) );
 		}
@@ -289,7 +294,8 @@ public class XxlJobServiceImpl implements XxlJobService {
 		} catch (SchedulerException e) {
 			logger.error(e.getMessage(), e);
 			return new ReturnT<String>(ReturnT.FAIL_CODE, e.getMessage());
-		}
+		}*/
+
 	}
 
 	@Override