Introduction Skip first three rows Return middle two rows Using an expression with SKIP to return a subset of the rows SKIP defines from which record to start including the r...
Introduction to EventMesh Features Introduction to EventMesh Apache EventMesh is a fully serverless platform used to build distributed event-driven applications. ...
Using a text editor, open the hosts file on every host in your cluster. For example: vi / etc / hosts Add a line for each host in your cluster. The line should consist of...
Partitioning What is partitioning? Partitioning is a way to make queries faster by grouping similar rows together when writing. For example, queries for log entries from a logs ...
Lock Redis or Valkey based distributed reentrant Lock object for Java and implements Lock interface. Uses pub/sub channel to notify other threads across all Redisson instances w...
Custom Catalog It’s possible to read an iceberg table either from an hdfs path or from a hive table. It’s also possible to use a custom metastore in place of hive. The steps to do...
Introduction Record format Configuration General configuration values Authentication No credentials Using certificates Using bucket password Document level expiration 1 - Ex...