The solution: Edit /opt/spark-0.9.0-incubating-bin-hadoop2/conf/log4j.properties, changing Spark's output to WARN. Done!
Refer to: https://github.com/amplab-extras/SparkR-pkg/blob/master/pkg/src/src/main/resources/log4j.properties#L8 eduardocalfaia wrote > Have you already tried in conf/log4j.properties? > log4j.rootCategory=OFF > > Em 4/3/14, 13:46, weida xu escreveu: >> Hi, alll >> >> When I start spark in the shell. It automatically output some system >> info every minute, see below. Can I stop or block the output of these >> info? I tried the ":silent" comnond, but the automatical output remains. >> >> 14/04/03 19:34:30 INFO MetadataCleaner: Ran metadata cleaner for >> SHUFFLE_BLOCK_MANAGER >> 14/04/03 19:34:30 INFO BlockManager: Dropping non broadcast blocks >> older than 1396524270698 >> 14/04/03 19:34:30 INFO MetadataCleaner: Ran metadata cleaner for >> BLOCK_MANAGER >> 14/04/03 19:34:30 INFO BlockManager: Dropping broadcast blocks older >> than 1396524270701 >> 14/04/03 19:34:30 INFO MetadataCleaner: Ran metadata cleaner for >> BROADCAST_VARS >> 14/04/03 19:34:30 INFO MetadataCleaner: Ran metadata cleaner for >> HTTP_BROADCAST >> 14/04/03 19:34:30 INFO MetadataCleaner: Ran metadata cleaner for >> MAP_OUTPUT_TRACKER >> 14/04/03 19:34:31 INFO MetadataCleaner: Ran metadata cleaner for >> SPARK_CONTEXT >> 14/04/03 19:34:31 INFO DAGScheduler: shuffleToMapStage 0 --> 0 >> 14/04/03 19:34:31 INFO DAGScheduler: stageIdToStage 0 --> 0 >> 14/04/03 19:34:31 INFO DAGScheduler: stageIdToJobIds 0 --> 0 >> 14/04/03 19:34:31 INFO DAGScheduler: pendingTasks 0 --> 0 >> 14/04/03 19:34:31 INFO DAGScheduler: jobIdToStageIds 0 --> 0 >> 14/04/03 19:34:31 INFO DAGScheduler: stageToInfos 0 --> 0 >> 14/04/03 19:34:31 INFO MetadataCleaner: Ran metadata cleaner for >> DAG_SCHEDULER >> >> >> > > > -- > Informativa sulla Privacy: http://www.unibs.it/node/8155 -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/How-to-stop-system-info-output-in-spark-shell-tp3704p4266.html Sent from the Apache Spark User List mailing list archive at Nabble.com.