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Jacek Laskowski

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1525.89 (22,827th) 		Reputation
48,121 (2,126th)
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Title Δ
Why does Spark not allocate new YARN containers when current memory... 0.00
How to process new files in HDFS directory once their writing has e... +0.43
How to remove duplicate columns with their non-null value after join? 0.00
How to split columns into two sets per type? -1.91
How to generate multiple records based on column? +2.10
Where is the reference for options for writing or reading per format? 0.00
How to show Spark application's percentage of completion on AWS... +2.13
How to union DataFrames and add only missing rows? 0.00
Where is cached RDD stored (i.e. in a distributed way or on a singl... -1.31
How to run Scala script using spark-submit (similarly to Python scr... +2.15
How to use RDD checkpointing to share datasets across Spark applica... 0.00
'""C:\Program' is not recognized as an internal o... -0.52
How to get value of an environment variable in Spark class? 0.00
How to process Kafka partitions separately and in parallel with Spa... 0.00
How to add/mutate a Map object in MutableAggregationBuffer in UDAF? 0.00
How to create RowEncoder to map Tuple<A,Row> to Row? -0.52
Why does RDD is persisted to disk using sparklyr's spark_read_c... 0.00
How to know the file formats supported by Databricks? +0.48
How to write rows asynchronously in Spark Streaming application to... -1.79
Why does collecting dataset fail with org.apache.spark.shuffle.Fetc... 0.00
How to convert bytes from Kafka to their original object? 0.00
How to find longest sequence of consecutive dates? -0.52
Why can't Spark Streaming application receive messages from ech... 0.00
How to Convert DataSet<Row> to DataSet of JSON messages to wr... 0.00
Why can't Impala read parquet files after Spark SQL's write? 0.00
How to create external Hive table without location (works fine with... 0.00
How to read only n rows of large CSV file on HDFS using spark-csv p... +0.30
Why does Spark Streaming fail with ClassCastException with repartit... 0.00
Spark CSV package not able to handle \n within fields +0.44
How to translate HiveQL query to corresponding DataFrame operation? 0.00
Why does building Spark RC release fail with "Could not initia... 0.00
How to convert RDD[CassandraRow] to DataFrame? -0.52
How determine that which partition a key to go to in sort shuffle o... 0.00
What tools to use to visualize Spark plans? 0.00
What part of Spark SQL parse SQL statements and create execution pl... 0.00
Why doesn't local[*] use all the available cores in my machine? 0.00
How to apply user-defined function to column (gives "Task not... -0.03
How to set Encoders for Row, LabeledPointData in Spark? 0.00
What's the type of the input parameter of user-defined function... 0.00
How to aggregate map columns after groupBy? +1.10
How to sum corresponding elements of two RDD[Int]s? +2.36
How to find the schema of values in DStream at runtime? 0.00
How to obtain input columns for Spark MLlib Linear Regression (SGD)... 0.00
How to build unreleased Spark RC version and use it in sbt project? 0.00
How to calculate consecutiveness in Dataset? -0.02
How to add empty map type column to DataFrame? -1.55
How does spark.dynamicAllocation.enabled influence the order of jobs? 0.00
How to access SparkContext on executors to save DataFrame to Cassan... +0.48
How to broadcast RDD in PySpark? +2.07
java.io.FileNotFoundException when trying to store a Spark RDD to H... -0.01