Drop logs

resources/log4j2.properties

@@ -0,0 +1,5 @@
+log4j.rootCategory=WARN, console
+log4j.appender.console=org.apache.log4j.ConsoleAppender
+log4j.appender.console.target=System.err
+log4j.appender.console.layout=org.apache.log4j.PatternLayout
+log4j.appender.console.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{1}: %m%n

src/org/mimirdb/Pip.scala

@@ -1,6 +1,7 @@
 package org.mimirdb
 
 import org.apache.spark.sql.SparkSession
+import org.apache.log4j.{ Logger, Level }
 
 object Pip
 {
@@ -12,6 +13,8 @@ object Pip
                             .master("local[*]")
                             .getOrCreate()
 
+    spark.sparkContext.setLogLevel("WARN")
+
     val df = spark.range(10)
 
     df.show()