Jobserver 0.7.0它有4Gb ram可用和10Gb的上下文，系统有3个更多的免费Gb。上下文运行了一段时间，当接收请求失败而没有任何错误时。该请求与其他已经处理的请求相同，不是特殊的请求。以下日志对应于作业服务器日志，如您所见，上一个成功作业在03:08:23,341完成，当接收到下一个作业时，驱动程序命令关闭。
[2017-05-16 03:08:23,340] INFO output.FileOutputCommitter [] [] - Saved output of task 'attempt_201705160308_0321_m_000199_0' to file:/value_iq/spark-warehouse/spark_cube_users_v/tenant_id=7/_temporary/0/task_201705160308_0321_m_000199
[2017-05-16 03:08:23,340] INFO pred.SparkHadoopMapRedUtil [] [] - attempt_201705160308_0321_m_000199_0: Committed
[2017-05-16 03:08:23,341] INFO he.spark.executor.Executor [] [] - Finished task 199.0 in stage 321.0 (TID 49474). 2738 bytes result sent to driver
[2017-05-16 03:39:02,195] INFO arseGrainedExecutorBackend [] [] - Driver commanded a shutdown
[2017-05-16 03:39:02,239] INFO storage.memory.MemoryStore [] [] - MemoryStore cleared
[2017-05-16 03:39:02,254] INFO spark.storage.BlockManager [] [] - BlockManager stopped
[2017-05-16 03:39:02,363] ERROR arseGrainedExecutorBackend [] [] - RECEIVED SIGNAL TERM
[2017-05-16 03:39:02,404] INFO k.util.ShutdownHookManager [] [] - Shutdown hook called
[2017-05-16 03:39:02,412] INFO k.util.ShutdownHookManager [] [] - Deleting directory /tmp/spark-556033e2-c456-49d6-a43c-ef2cd3494b71/executor-b3ceaf84-e66a-45ed-acfe-1052ab1de2f8/spark-87671e4f-54da-47d7-a077-eb5f75d07e39
Spark Worker服务器只记录以下内容：
17/05/15 19:25:54 INFO ExternalShuffleBlockResolver: Registered executor AppExecId{appId=app-20170515192550-0004, execId=0} with ExecutorShuffleInfo{localDirs=[/tmp/spark-556033e2-c456-49d6-a43c-ef2cd3494b71/executor-b3ceaf84-e66a-45ed-acfe-1052ab1de2f8/blockmgr-eca888c0-4e63-421c-9e61-d959ee45f8e9], subDirsPerLocalDir=64, shuffleManager=org.apache.spark.shuffle.sort.SortShuffleManager}
17/05/16 03:39:02 INFO Worker: Asked to kill executor app-20170515192550-0004/0
17/05/16 03:39:02 INFO ExecutorRunner: Runner thread for executor app-20170515192550-0004/0 interrupted
17/05/16 03:39:02 INFO ExecutorRunner: Killing process!
17/05/16 03:39:02 INFO Worker: Executor app-20170515192550-0004/0 finished with state KILLED exitStatus 0
17/05/16 03:39:02 INFO Worker: Cleaning up local directories for application app-20170515192550-0004
17/05/16 03:39:07 INFO ExternalShuffleBlockResolver: Application app-20170515192550-0004 removed, cleanupLocalDirs = true
17/05/16 03:39:07 INFO ExternalShuffleBlockResolver: Cleaning up executor AppExecId{appId=app-20170515192550-0004, execId=0}'s 1 local dirs
主日志：
17/05/16 03:39:02 INFO Master: Received unregister request from application app-20170515192550-0004
17/05/16 03:39:02 INFO Master: Removing app app-20170515192550-0004
17/05/16 03:39:02 INFO Master: 157.97.107.150:33928 got disassociated, removing it.
17/05/16 03:39:02 INFO Master: 157.97.107.150:55444 got disassociated, removing it.
17/05/16 03:39:02 WARN Master: Got status update for unknown executor app-20170515192550-0004/0
在收到此请求之前，spark没有执行任何其他工作，上下文使用5,3G / 10G和驱动程序1,3G / 4G。
什么措施＆＃34;司机命令关机＆＃34;？
可以更改任何日志属性以查看日志的更多详细信息吗？
一个简单的请求如何破坏上下文？