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Rating Stats for

Jacek Laskowski

Rating
1525.89 (22,827th) 		Reputation
48,121 (2,126th)
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Title Δ
How to replace values in RDD 1 per keys in RDD 2? -0.04
How to use CACHE or PERSIST with explicit storage level in SQL mode... 0.00
How to avoid empty files while writing parquet files? -0.52
How to query datasets in avro format? 0.00
How to map over a Dataset with fairly complex schema? 0.00
How to save streaming aggregation in Complete output mode to parquet? 0.00
Dataset.unpersist() unexpectedly affects count of other RDD's 0.00
How to create a fat jar with kafka source (to avoid submission-time... 0.00
How to read date in custom format from csv file? 0.00
How to read streaming dataset once and output to multiple sinks? +0.47
How to create Dataset (not DataFrame) without using case class but... -1.89
How to execute function at data source level (and in turn bypass Ca... 0.00
How to convert DataFrame to Iterable (and fill checkbox in Zeppelin... 0.00
Why does foreach operator fail with NullPointerException when using... +2.00
Are Spark executors multi-threaded? +1.85
Why does creating a Dataset with LinearRegressionModel fail with &q... 0.00
Why does SparkContext.parallelize use memory of the driver? -0.80
What does "pre-built for Apache Hadoop 2.7 and later" mean? 0.00
How to get Kafka offsets for structured query for manual and reliab... +1.31
Structured Streaming process multiple query? 0.00
How to load trained RandomForestClassificationModel model? 0.00
How to pass records from Kafka to method? -0.51
Is watermark based on processing time or event time or both? 0.00
How to read streaming data in XML format from Kafka? +1.43
How to use from_json with schema as string (i.e. a JSON-encoded sch... 0.00
How to calculate the time to fetch records from Kafka? +0.00
How to group by timestamp in data or data ingestion time? 0.00
Why does Scala fail to compile Spark project due to "Missing o... 0.00
Why does my query fail with AnalysisException? +0.51
Why does StreamingContext.socketTextStream give "ERROR schedul... 0.00
How to apply several Indexers and Encoders without creating countle... -0.51
Spark job with explicit setMaster("local"), passed to spa... -1.84
How to replace substrings in column of type String? 0.00
How to load saved KMeans model (in ML Pipeline)? 0.00
SparkSession view globally 0.00
How to load large amount of data from MySQL and save as text file? 0.00
Unable to find encoder for type stored in a Dataset. in spark struc... -0.31
How to access parameters of the underlying model in ML Pipeline? 0.00
How to map over Dataset and Array to generate new rows (gives Datas... +1.85
How to set the number of documents processed in a batch? 0.00
How to load part of JSON file to a DataFrame? 0.00
How to merge multiple CSV files with doubles into a single RDD with... +0.00
How to change the schema of a DataFrame (to fix the names of some n... 0.00
Spark Streaming: java.lang.NoClassDefFoundError: kafka/api/TopicMet... 0.00
How to enable or disable Hive support in spark-shell through Spark... +0.49
How to write word count using Dataset API? 0.00
Does df.write.jdbc handle JDBC pool connection? 0.00
How to use java.time.LocalDate in Datasets (fails with java.lang.Un... 0.00
pyspark.sql.utils.IllegalArgumentException: "Error while insta... +0.49
How to use ordinals using Dataset API (like SQL's 'GROUP BY... +1.74