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Advanced Troubleshooting
Tablet server locks HDFS Failures Zookeeper Failures Upgrade Issues File Naming Conventions HDFS Decommissioning Issues Tablet server locks My tablet server lost its lock. ... -
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... -
Troubleshooting
Writing Tables org.apache.parquet.io.InvalidRecordException: Parquet/Avro schema mismatch: Avro field ‘col1’ not found java.lang.UnsupportedOperationException: org.apache.parquet.... -
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... -
1. Monitoring Kyuubi - Logging System
Logs of Kyuubi Server Configuring Server Logging Basic Configurations KYUUBI_LOG_DIR KYUUBI_MAX_LOG_FILES Custom Log4j2 Settings Logs of Spark SQL Engine Configuring Engine L... -
Clustering
Background How is compaction different from clustering? Clustering Architecture Overall, there are 2 steps to clustering Schedule clustering Execute clustering Clustering Use... -
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... -
Design
Background Data Model Architecture Components Tablet Server Garbage Collector Manager Tracer Monitor Compactor (experimental) Compaction Coordinator (experimental) Scan S... -
Creating Your First Dashboard
Connecting to a new database Registering a new table Customizing column properties Superset semantic layer Creating charts in Explore view Creating a slice and ... -
Iterators
Instantiation Interface init seek next hasTop getTopKey and getTopValue deepCopy Yielding Interface enableYielding TabletServer invocation of Iterators Isolation Abstra...
