我在我的火花作业中得到了这个输出，它为我的工作增加了很多延迟。就在昨天，我一夜之间就把这份工作留在了这个消息上，然后回到家看看没有其他的东西可以处理了。
16/01/08 18:51:36 INFO spark.MapOutputTrackerMaster: Size of output statuses for shuffle 0 is 930564 bytes
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.47:37232
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.44:55904
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.38:35491
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.43:60071
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.48:39267
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.39:44310
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.42:51390
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.32:36981
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.30:39261
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.34:58811
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.31:39829
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.40:45521
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.46:35892
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.33:35119
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.36:44486
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.37:35971
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.35:59625
16/01/08 18:51:36 INFO spark.MapOutputTrackerMasterEndpoint: Asked to send map output locations for shuffle 0 to 172.31.1.45:40861
我试过谷歌搜索，但文档很少，我真的不明白。有人知道吗？