All posts by gransy
Create systemd service
Manage things in Spark via Scala
Import .parquet files Show columns on imported DataFrame Show data from DataFrame Filter and Order data from DataFrame
Import .parquet to Spark in Scala
Run Scala console
Required: Run Apache Spark in Docker
Run Apache Spark in Docker
http://server:8080 – Apache Spark WebGUI
ElasticSearch – Quick Recovery
Find files by year
Create RAID-1 (mdadm)
Go – Kafka client
Example of simple client: