Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
error[E0554]: #![feature] may not be used on the stable release channel
--> .cargo/registry/src/index.crates.io-6f17d22bba15001f/thiserror-1.0.40/src/lib.rs:239:34
|
239 | #![cfg_attr(provide_any, feature(provide_any …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
The error message "error: expected item, found 'let'" is commonly encountered in Rust
when you mistakenly place a let statement in an invalid location.
A let statement can only be used …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Note: You might have to do this every time you upgrade your Linux kernel!!
Below are step-by-step symptoms from superficial to root causes.
Your Linux system becomes very slow even …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
java.lang.IllegalArgumentException: Wrong FS: hdfs://..., expected: viewfs://...
The Spark cluster has migrated to Router-based Federation (RBF) namenodes,
and viewfs:// (instead of hdfs://) is required to access HDFS …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
java.io.IOException: ViewFs: Cannot initialize: Empty Mount table in config for viewfs://cluster-name-ns02/
As the error message says,
viewfs://cluster-name-ns02 is not configured.
It is possible that …