vanekjar questions

vanekjar answers

• How does Spark in Java compare two Keys when doing a join or groupWith?
• Does DStream's RDD pull entire data created for the batch interval at one shot?
• wordCounts.dstream().saveAsTextFiles("LOCAL FILE SYSTEM PATH", "txt"); does not write to file
• How did Apache Spark implement its topK() API?
• What is spark.streaming.receiver.maxRate? How does it work with batch interval
• wrong value class: class org.apache.hadoop.io.Text is not class org.apache.hadoop.io.IntWritable
• Sending key-value pairs payload to Google Analytics
• Spark Streaming get warn "replicated to only 0 peer(s) instead of 1 peers"
• Android Sqlite Performance
• What is the correct way to start/stop spark streaming jobs in yarn?