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@ -25,8 +25,9 @@ import cn.escheduler.common.utils.OSUtils;
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import cn.escheduler.dao.ProcessDao; |
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import cn.escheduler.dao.model.*; |
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import cn.escheduler.server.zk.ZKWorkerClient; |
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import com.cronutils.utils.StringUtils; |
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import org.apache.commons.configuration.Configuration; |
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import org.apache.commons.lang3.StringUtils; |
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import org.apache.curator.framework.CuratorFramework; |
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import org.apache.curator.framework.recipes.locks.InterProcessMutex; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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@ -98,15 +99,7 @@ public class FetchTaskThread implements Runnable{
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*/ |
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private boolean checkWorkerGroup(TaskInstance taskInstance, String host){ |
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int taskWorkerGroupId = taskInstance.getWorkerGroupId(); |
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ProcessInstance processInstance = processDao.findProcessInstanceByTaskId(taskInstance.getId()); |
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if(processInstance == null){ |
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logger.error("cannot find the task:{} process instance", taskInstance.getId()); |
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return false; |
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} |
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int processWorkerGroupId = processInstance.getWorkerGroupId(); |
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taskWorkerGroupId = (taskWorkerGroupId <= 0 ? processWorkerGroupId : taskWorkerGroupId); |
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int taskWorkerGroupId = processDao.getTaskWorkerGroupId(taskInstance); |
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if(taskWorkerGroupId <= 0){ |
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return true; |
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@ -117,99 +110,103 @@ public class FetchTaskThread implements Runnable{
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return true; |
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} |
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String ips = workerGroup.getIpList(); |
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if(ips == null){ |
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if(StringUtils.isBlank(ips)){ |
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logger.error("task:{} worker group:{} parameters(ip_list) is null, this task would be running on all workers", |
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taskInstance.getId(), workerGroup.getId()); |
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} |
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String[] ipArray = ips.split(","); |
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String[] ipArray = ips.split(Constants.COMMA); |
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List<String> ipList = Arrays.asList(ipArray); |
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return ipList.contains(host); |
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} |
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@Override |
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public void run() { |
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while (Stopper.isRunning()){ |
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InterProcessMutex mutex = null; |
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try { |
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if(OSUtils.checkResource(this.conf, false)) { |
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// creating distributed locks, lock path /escheduler/lock/worker
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String zNodeLockPath = zkWorkerClient.getWorkerLockPath(); |
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mutex = new InterProcessMutex(zkWorkerClient.getZkClient(), zNodeLockPath); |
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mutex.acquire(); |
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ThreadPoolExecutor poolExecutor = (ThreadPoolExecutor) workerExecService; |
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ThreadPoolExecutor poolExecutor = (ThreadPoolExecutor) workerExecService; |
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//check memory and cpu usage and threads
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if(OSUtils.checkResource(this.conf, false) && checkThreadCount(poolExecutor)) { |
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for (int i = 0; i < taskNum; i++) { |
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int activeCount = poolExecutor.getActiveCount(); |
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if (activeCount >= workerExecNums) { |
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logger.info("thread insufficient , activeCount : {} , workerExecNums : {}",activeCount,workerExecNums); |
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continue; |
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} |
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//whether have tasks, if no tasks , no need lock //get all tasks
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List<String> tasksQueueList = taskQueue.getAllTasks(Constants.SCHEDULER_TASKS_QUEUE); |
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if(tasksQueueList.size() > 0){ |
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// creating distributed locks, lock path /escheduler/lock/worker
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String zNodeLockPath = zkWorkerClient.getWorkerLockPath(); |
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mutex = new InterProcessMutex(zkWorkerClient.getZkClient(), zNodeLockPath); |
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mutex.acquire(); |
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// task instance id str
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String taskQueueStr = taskQueue.poll(Constants.SCHEDULER_TASKS_QUEUE, false); |
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List<String> taskQueueStrArr = taskQueue.poll(Constants.SCHEDULER_TASKS_QUEUE, taskNum); |
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if (!StringUtils.isEmpty(taskQueueStr )) { |
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for(String taskQueueStr : taskQueueStrArr){ |
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if (StringUtils.isNotBlank(taskQueueStr )) { |
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String[] taskStringArray = taskQueueStr.split(Constants.UNDERLINE); |
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String taskInstIdStr = taskStringArray[taskStringArray.length - 1]; |
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Date now = new Date(); |
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Integer taskId = Integer.parseInt(taskInstIdStr); |
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if (!checkThreadCount(poolExecutor)) { |
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break; |
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} |
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// find task instance by task id
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TaskInstance taskInstance = processDao.findTaskInstanceById(taskId); |
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String[] taskStringArray = taskQueueStr.split(Constants.UNDERLINE); |
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String taskInstIdStr = taskStringArray[taskStringArray.length - 1]; |
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Date now = new Date(); |
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Integer taskId = Integer.parseInt(taskInstIdStr); |
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logger.info("worker fetch taskId : {} from queue ", taskId); |
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// find task instance by task id
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TaskInstance taskInstance = processDao.findTaskInstanceById(taskId); |
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int retryTimes = 30; |
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// mainly to wait for the master insert task to succeed
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while (taskInstance == null && retryTimes > 0) { |
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Thread.sleep(Constants.SLEEP_TIME_MILLIS); |
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taskInstance = processDao.findTaskInstanceById(taskId); |
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retryTimes--; |
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} |
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logger.info("worker fetch taskId : {} from queue ", taskId); |
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if (taskInstance == null ) { |
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logger.error("task instance is null. task id : {} ", taskId); |
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continue; |
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} |
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if(!checkWorkerGroup(taskInstance, OSUtils.getHost())){ |
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continue; |
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} |
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taskQueue.removeNode(Constants.SCHEDULER_TASKS_QUEUE, taskQueueStr); |
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logger.info("remove task:{} from queue", taskQueueStr); |
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int retryTimes = 30; |
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// mainly to wait for the master insert task to succeed
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while (taskInstance == null && retryTimes > 0) { |
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Thread.sleep(Constants.SLEEP_TIME_MILLIS); |
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taskInstance = processDao.findTaskInstanceById(taskId); |
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retryTimes--; |
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} |
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if (taskInstance == null ) { |
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logger.error("task instance is null. task id : {} ", taskId); |
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continue; |
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} |
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// set execute task worker host
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taskInstance.setHost(OSUtils.getHost()); |
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taskInstance.setStartTime(now); |
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if(!checkWorkerGroup(taskInstance, OSUtils.getHost())){ |
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continue; |
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} |
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taskQueue.removeNode(Constants.SCHEDULER_TASKS_QUEUE, taskQueueStr); |
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logger.info("remove task:{} from queue", taskQueueStr); |
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// set execute task worker host
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taskInstance.setHost(OSUtils.getHost()); |
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taskInstance.setStartTime(now); |
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// get process instance
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ProcessInstance processInstance = processDao.findProcessInstanceDetailById(taskInstance.getProcessInstanceId()); |
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// get process instance
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ProcessInstance processInstance = processDao.findProcessInstanceDetailById(taskInstance.getProcessInstanceId()); |
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// get process define
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ProcessDefinition processDefine = processDao.findProcessDefineById(taskInstance.getProcessDefinitionId()); |
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// get process define
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ProcessDefinition processDefine = processDao.findProcessDefineById(taskInstance.getProcessDefinitionId()); |
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taskInstance.setProcessInstance(processInstance); |
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taskInstance.setProcessDefine(processDefine); |
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taskInstance.setProcessInstance(processInstance); |
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taskInstance.setProcessDefine(processDefine); |
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// get local execute path
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String execLocalPath = FileUtils.getProcessExecDir(processDefine.getProjectId(), |
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processDefine.getId(), |
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processInstance.getId(), |
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taskInstance.getId()); |
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logger.info("task instance local execute path : {} ", execLocalPath); |
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// get local execute path
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String execLocalPath = FileUtils.getProcessExecDir(processDefine.getProjectId(), |
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processDefine.getId(), |
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processInstance.getId(), |
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taskInstance.getId()); |
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logger.info("task instance local execute path : {} ", execLocalPath); |
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// set task execute path
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taskInstance.setExecutePath(execLocalPath); |
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// set task execute path
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taskInstance.setExecutePath(execLocalPath); |
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Tenant tenant = processDao.getTenantForProcess(processInstance.getTenantId(), |
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processDefine.getUserId()); |
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@ -218,21 +215,22 @@ public class FetchTaskThread implements Runnable{
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FileUtils.createWorkDirAndUserIfAbsent(execLocalPath, |
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tenant.getTenantCode(), logger); |
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logger.info("task : {} ready to submit to task scheduler thread",taskId); |
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// submit task
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workerExecService.submit(new TaskScheduleThread(taskInstance, processDao)); |
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logger.info("task : {} ready to submit to task scheduler thread",taskId); |
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// submit task
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workerExecService.submit(new TaskScheduleThread(taskInstance, processDao)); |
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} |
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} |
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} |
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} |
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Thread.sleep(Constants.SLEEP_TIME_MILLIS); |
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}catch (Exception e){ |
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logger.error("fetch task thread exception : " + e.getMessage(),e); |
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} |
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finally { |
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}finally { |
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if (mutex != null){ |
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try { |
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mutex.release(); |
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@ -247,4 +245,18 @@ public class FetchTaskThread implements Runnable{
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} |
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} |
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} |
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/** |
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* |
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* @param poolExecutor |
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* @return |
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*/ |
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private boolean checkThreadCount(ThreadPoolExecutor poolExecutor) { |
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int activeCount = poolExecutor.getActiveCount(); |
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if (activeCount >= workerExecNums) { |
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logger.info("thread insufficient , activeCount : {} , workerExecNums : {}, will sleep : {} millis for thread resource", activeCount, workerExecNums, Constants.SLEEP_TIME_MILLIS); |
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return false; |
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} |
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return true; |
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} |
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} |
lidongdai
5 years ago