[Improvement#6438][Worker]remove meaningless DB query (#6440)

org.apache.dolphinscheduler.server.worker.runner.TaskExecuteThread
In the process of task kill, it will query the DB to obtain the task instance object, but this judgment does not make any sense. In fact, the relevant context is already clear, so there is no need to query from DB.

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/builder/TaskExecutionContextBuilder.java

@@ -61,6 +61,7 @@ public class TaskExecutionContextBuilder {
         taskExecutionContext.setResources(taskInstance.getResources());
         taskExecutionContext.setDelayTime(taskInstance.getDelayTime());
         taskExecutionContext.setVarPool(taskInstance.getVarPool());
+        taskExecutionContext.setDryRun(taskInstance.getDryRun());
         return this;
     }
 

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/runner/TaskExecuteThread.java

@@ -32,7 +32,6 @@ import org.apache.dolphinscheduler.common.utils.JSONUtils;
 import org.apache.dolphinscheduler.common.utils.LoggerUtils;
 import org.apache.dolphinscheduler.common.utils.OSUtils;
 import org.apache.dolphinscheduler.common.utils.RetryerUtils;
-import org.apache.dolphinscheduler.dao.entity.TaskInstance;
 import org.apache.dolphinscheduler.remote.command.Command;
 import org.apache.dolphinscheduler.remote.command.TaskExecuteAckCommand;
 import org.apache.dolphinscheduler.remote.command.TaskExecuteResponseCommand;
@@ -41,8 +40,6 @@ import org.apache.dolphinscheduler.server.worker.cache.ResponceCache;
 import org.apache.dolphinscheduler.server.worker.plugin.TaskPluginManager;
 import org.apache.dolphinscheduler.server.worker.processor.TaskCallbackService;
 import org.apache.dolphinscheduler.service.alert.AlertClientService;
-import org.apache.dolphinscheduler.service.bean.SpringApplicationContext;
-import org.apache.dolphinscheduler.service.process.ProcessService;
 import org.apache.dolphinscheduler.service.queue.entity.TaskExecutionContext;
 import org.apache.dolphinscheduler.spi.exception.PluginNotFoundException;
 import org.apache.dolphinscheduler.spi.task.AbstractTask;
@@ -113,11 +110,6 @@ public class TaskExecuteThread implements Runnable, Delayed {
 
     private TaskPluginManager taskPluginManager;
 
-    /**
-     * process database access
-     */
-    protected ProcessService processService;
-
     /**
      * constructor
      *
@@ -130,7 +122,6 @@ public class TaskExecuteThread implements Runnable, Delayed {
         this.taskExecutionContext = taskExecutionContext;
         this.taskCallbackService = taskCallbackService;
         this.alertClientService = alertClientService;
-        this.processService = SpringApplicationContext.getBean(ProcessService.class);
     }
 
     public TaskExecuteThread(TaskExecutionContext taskExecutionContext,
@@ -141,7 +132,6 @@ public class TaskExecuteThread implements Runnable, Delayed {
         this.taskCallbackService = taskCallbackService;
         this.alertClientService = alertClientService;
         this.taskPluginManager = taskPluginManager;
-        this.processService = SpringApplicationContext.getBean(ProcessService.class);
     }
 
     @Override
@@ -167,8 +157,7 @@ public class TaskExecuteThread implements Runnable, Delayed {
             }
             logger.info("the task begins to execute. task instance id: {}", taskExecutionContext.getTaskInstanceId());
 
-            TaskInstance taskInstance = processService.findTaskInstanceById(taskExecutionContext.getTaskInstanceId());
+            int dryRun = taskExecutionContext.getDryRun();
-            int dryRun = taskInstance.getDryRun();
             // copy hdfs/minio file to local
             if (dryRun == Constants.DRY_RUN_FLAG_NO) {
                 downloadResource(taskExecutionContext.getExecutePath(),
@@ -294,10 +283,7 @@ public class TaskExecuteThread implements Runnable, Delayed {
         if (task != null) {
             try {
                 task.cancelApplication(true);
-                TaskInstance taskInstance = processService.findTaskInstanceById(taskExecutionContext.getTaskInstanceId());
-                if (taskInstance != null) {
                 ProcessUtils.killYarnJob(taskExecutionContext);
-                }
             } catch (Exception e) {
                 logger.error(e.getMessage(), e);
             }

dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/queue/entity/TaskExecutionContext.java

@@ -232,6 +232,11 @@ public class TaskExecutionContext implements Serializable {
      */
     private String varPool;
 
+    /**
+     * dry run flag
+     */
+    private int dryRun;
+
     /**
      * business param
      */
@@ -552,6 +557,14 @@ public class TaskExecutionContext implements Serializable {
         this.sqoopTaskExecutionContext = sqoopTaskExecutionContext;
     }
 
+    public int getDryRun() {
+        return dryRun;
+    }
+
+    public void setDryRun(int dryRun) {
+        this.dryRun = dryRun;
+    }
+
     @Override
     public String toString() {
         return "TaskExecutionContext{"
@@ -579,6 +592,7 @@ public class TaskExecutionContext implements Serializable {
                 + ", projectCode=" + projectCode
                 + ", taskParams='" + taskParams + '\''
                 + ", envFile='" + envFile + '\''
+                + ", dryRun='" + dryRun + '\''
                 + ", definedParams=" + definedParams
                 + ", taskAppId='" + taskAppId + '\''
                 + ", taskTimeoutStrategy=" + taskTimeoutStrategy