Caused by: org.apache.hadoop.hdfs.protocol.NSQuotaExceededException: The NameSpace quota (directories and files) of directory /user/user_name is exceeded: quota=163840 file count=163841
The namespace quota of the directory /user/user_name is execeeded.
Remove non-needed files from the directory /user/user_name to release some namespace …
If you use Rust with Spark/PySpark and there are issues in the Rust code, you might get Rust panic error messages.
Error: b"thread 'main' panicked at 'index out of bounds: the len is 15 but the index is 15', src/game.rs:131:39\nnote: run with …
java.lang.RuntimeException: Unsupported literal type class java.util.ArrayList [1]
This happens in PySpark
when a Python list is provide where a scalar is required.
Assuming id0 is an integer column in the DataFrame df,
the following code throws the above error.
v = [1, 2, 3 …The easist way to define a UDF in PySpark is to use the @udf tag,
and similarly the easist way to define a Pandas UDF in PySpark is to use the @pandas_udf tag.
Pandas UDFs are preferred to UDFs for server reasons.
First, pandas UDFs are typically much faster than UDFs.
Second, pandas UDFs are more flexible than UDFs on parameter passing.
Both UDFs and pandas UDFs can take multiple columns as parameters.
In addition,
pandas UDFs can take a DataFrame as parameter
(when passed to the apply
There are tons of tools for converting PDF pictures to EPS pictures in Linux.
The pdf2ps command is a good one.
It produces EPS pictures without losing much resolution.
The general purpose tools convert
(from the ImageMagick package) does not produce as good quality EPS figures.