每次任务运行后,总会有 dead的executors
然后看日志:
SLF4J: Class path contains multiple SLF4J bindings.SLF4J: Found binding in [jar:file:/data/yarn/nm/usercache/hdfs/filecache/795203/slf4j-log4j12-1.7.16.jar!/org/slf4j/impl/StaticLoggerBinder.class]SLF4J: Found binding in [jar:file:/opt/cloudera/parcels/CDH-5.8.4-1.cdh5.8.4.p0.5/jars/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]17/09/30 10:47:49 ERROR CoarseGrainedExecutorBackend: RECEIVED SIGNAL TERM