For "spark.shuffle.manager", the default is "sort" >From core/src/main/scala/org/apache/spark/SparkEnv.scala :
val shuffleMgrName = conf.get("spark.shuffle.manager", "sort") "tungsten-sort" is the same as "sort" : val shortShuffleMgrNames = Map( "hash" -> "org.apache.spark.shuffle.hash.HashShuffleManager", "sort" -> "org.apache.spark.shuffle.sort.SortShuffleManager", "tungsten-sort" -> "org.apache.spark.shuffle.sort.SortShuffleManager") FYI On Fri, Jan 8, 2016 at 12:59 PM, Umesh Kacha <umesh.ka...@gmail.com> wrote: > ok thanks so it will be enabled by default always if yes then in > documentation why default shuffle manager is mentioned as sort? > > On Sat, Jan 9, 2016 at 1:55 AM, Ted Yu <yuzhih...@gmail.com> wrote: > >> From >> sql/core/src/main/scala/org/apache/spark/sql/execution/commands.scala : >> >> case Some((SQLConf.Deprecated.TUNGSTEN_ENABLED, Some(value))) => >> val runFunc = (sqlContext: SQLContext) => { >> logWarning( >> s"Property ${SQLConf.Deprecated.TUNGSTEN_ENABLED} is deprecated >> and " + >> s"will be ignored. Tungsten will continue to be used.") >> Seq(Row(SQLConf.Deprecated.TUNGSTEN_ENABLED, "true")) >> } >> >> FYI >> >> On Fri, Jan 8, 2016 at 12:21 PM, unk1102 <umesh.ka...@gmail.com> wrote: >> >>> Hi I was using Spark 1.5 with Tungsten sort and now I have using Spark >>> 1.6 I >>> dont see any difference I was expecting Spark 1.6 to be faster. Anyways >>> do >>> we need to enable Tunsten and unsafe options or they are enabled by >>> default >>> I see in documentation that default sort manager is sort I though it is >>> Tungsten no? Please guide. >>> >>> >>> >>> -- >>> View this message in context: >>> http://apache-spark-user-list.1001560.n3.nabble.com/Do-we-need-to-enabled-Tungsten-sort-in-Spark-1-6-tp25923.html >>> Sent from the Apache Spark User List mailing list archive at Nabble.com. >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: user-unsubscr...@spark.apache.org >>> For additional commands, e-mail: user-h...@spark.apache.org >>> >>> >> >