go
英文: Different behaviour of same query in Spark 2.3 vs Spark 3.2 问题 我正在两个版本的Spark中运行一个简单的查询，2.3和3.2。 ...
49apache-spark
apache-spark-sql
go
英文: What is the interpretation of rsd in pyspark's approx_count_distinct and what are the conseq...
64apache-spark
sql
go
英文: Join two PySpark DataFrames and get some of the columns from one DataFrame when column names are...
55apache-spark
dataframe
go
英文: How to use when and Otherwise statement for a Spark dataframe by boolean columns? 问题 我有一个包含三列的数据...
67apache-spark
pyspark
go
英文: How to group by multiple dimensions when `group by` is written only once in Spark SQL? 问题 我有一个名为...
69apache-spark
pyspark
go
英文: How to solve this Pyspark Code Block using Regexp 问题 我有这个CSV文件 但是当我运行我的笔记本时，正则表达式显示一些错误 from pys...
68apache-spark
python
go
英文: PySpark executing queries from different processes 问题 有没有办法在Spark上运行两个独立的进程来执行查询？类似于以下代码： def pr...
75apache-spark
python
go
英文: PicklingError: Could not serialize object: IndexError: tuple index out of range 问题 我在cmd中启动了pysp...
126apache-spark
python
go
英文: do we need to install spark on yarn to read data from HDFS into Py Spark? 问题 我有一个Hadoop 3.1.1多节点...
91apache-spark
pyspark
go
英文: How to sort unbound list of PySpark columns by name? 问题 这似乎应该很简单，但出于某种原因，我感到困惑。我有一个 PySpark 列的列表...
69apache-spark
python
49评论apache-spark
apache-spark-sql