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 …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.
There are 2 mature popular terminal multiplexer apps: screen and tmux. Both of them are very useful if you want to work on multiple tasks over 1 SSH connection. Screen is relative simple to use while tmux is much more powerful and more complicated to use.
Besides enabling users to …
Cron tasks work in a Docker container.
However,
you have to manually start the cron deamon (root or sudo required) using cron or sudo cron
if it is not configured (via the Docker entrypoint) to start on the start of the Docker container.
For tutorials on crontab,
please refer to …