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Troubleshooting
Writing Tables org.apache.parquet.io.InvalidRecordException: Parquet/Avro schema mismatch: Avro field ‘col1’ not found java.lang.UnsupportedOperationException: org.apache.parquet.... -
Design
Background Data Model Architecture Components Tablet Server Garbage Collector Manager Tracer Monitor Compactor (experimental) Compaction Coordinator (experimental) Scan S... -
Setup
User Manual (2.x and 3.x) Master/Manager naming Setup for testing or development Setup for Production Configuring Accumulo Initialization Run Accumulo Run individual Accumulo... -
Clustering
Background How is compaction different from clustering? Clustering Architecture Overall, there are 2 steps to clustering Schedule clustering Execute clustering Clustering Use... -
SQL DDL
Spark SQL Create table Create non-partitioned table Create partitioned table Create table with record keys and ordering fields Create table from an external location Create Ta... -
Flink Quick Start
Setup Flink Support Matrix Download Flink and Start Flink cluster Start Flink SQL client Create Table Insert Data Query Data Update Data Delete Data Row-level Delete Batch... -
How to read this book
References It is recommended that readers have a basic understanding of R Markdown. Chapter 2 of R Markdown: The Definitive Guide [@rmarkdown2018] provides an overview of the ba... -
MongoDB
Support Those Engines Key Features Description Supported DataSource Info Data Type Mapping Source Options Tips How to Create a MongoDB Data Synchronization Jobs Parameter I... -
Design & Concepts
How does Hudi ensure atomicity? Does Hudi extend the Hive table layout? What concurrency control approaches does Hudi adopt? Hudi’s commits are based on transaction start time i... -
Java API
Tables Table metadata Scanning File level Transactions Types Primitives Nested types Expressions Expression binding Expression example Modules Tables The main purpose...
