
Explore ticket-based learning by examining raised failures, fixing them quickly, and producing high quality notes. Tackle Jenkins and PySpark errors by categorizing tickets and crafting solutions.
Identify the three repo types: full stack frameworks, engine, and exploration; explain their roles, data orientation, and how full stack integrates engine, exploration, and user interface for end-user workflows.
Configure and install local Java, PySpark, and Hadoop with matching versions for full-stack simulation runs. Align Hadoop 2.7, Spark 4.0, and JDK 8 by reading requirements and setting environment variables.
Fix the local venv for full stack by updating the virtual environment to the latest version and packages, following framework-specific steps beyond pip install requirements.
Master note making and independent research using Wikipedia and 5,000 internal videos and 5,000 wiki pages to solve tickets, read emails, and troubleshoot Jenkins outages.
Interview Prep Full Spectrum Comprehensive Testing & Error Reading 101
Solving Tickets for Real life Job Like scenarios
Ticket Based Learning
Three type of Repo
Four types of Run
Checking YAML and CICD for Jenkins build
Different kind of Jenkins failure
Connection timeout issue for Jenkins
Full Stack Workflow Computational UI runs
Workflow vs Task Level Testing in full stack computation Framework
Checking Py-spark Errors
Fixing Local Vevn in Python to make local test pass
Different ways to Install Venv Python
Env Variable for User in Windows
Java Pyspark Hadoop local folder etc
Top 5 causes of each failure types
Release Process Errors
Ticket based Learning
Is the most common request Jenkins Failure? True
Local failure are most common due to pyspark? True
Do we get fixing errors as our main ticket? True
Is the most common ticket Jenkins failure? True
Is the most error we will deal is with full stack simulation framework? True
Top 5 cause Jenkins failures
Timeout
Unit tests: Values mismatch
Import problem
Connection to tables using odbc
Many Jenkins build of same code running in parallel
Top 5 workflow based error
Axis Node Name mismatch
You forgot to run workflow integrity test locally
Hive connection failure
Same class instance used by another test
Latest version not used for dependent repos, FT Sim Framework depends on different repos like engine, simulation, ui etc