org.apache.spark.shuffle.FetchFailedException :: Migration from Spark 1.2 to 1.3

2015-05-18 Thread zia_kayani
Hi, I'm getting this exception after shifting my code from Spark 1.2 to Spark 1.3 15/05/18 18:22:39 WARN TaskSetManager: Lost task 0.0 in stage 1.6 (TID 84, cloud8-server): FetchFailed(BlockManagerId(1, cloud4-server, 7337), shuffleId=0, mapId=9, reduceId=1, message=

Re: Building Spark : Adding new DataType in Catalyst

2015-04-23 Thread zia_kayani
I've already tried UDT in Spark 1.2 and 1.3 but I encountered Kryo Serialization Exception on Joining as tracked here https://datastax-oss.atlassian.net/browse/SPARKC-23 , i've talked to Michael Armbrust https://plus.google.com/u/1/109154927192908362223/posts about the Exception, he said I'll

Building Spark : Adding new DataType in Catalyst

2015-04-22 Thread zia_kayani
Hi, I am working on adding Geometry i.e. a new DataType into Spark catalyst, so that ROW can hold that object also, I've made a progress but its time taking as I've to compile the whole spark project, otherwise that changes aren't visible, I've tried to just build Spark SQL and Catalyst module

Java and Kryo Serialization, Java.io.OptionalDataException

2015-03-30 Thread zia_kayani
I have set Kryo Serializer as default serializer in SparkConf and Spark UI confirms it too, but in the Spark logs I'm getting this exception, java.io.OptionalDataException at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1370) at

Spark SQL UDT Kryo serialization, Unable to find class

2015-03-17 Thread zia_kayani
Hi, I want to introduce custom type for SchemaRDD, I'm following this https://github.com/apache/spark/blob/branch-1.2/sql/core/src/main/scala/org/apache/spark/sql/test/ExamplePointUDT.scala example. But I'm having Kryo Serialization issues, here is stack trace: