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Kidong Lee

Distributed Lock for Iceberg in Chango

Everytime iceberg table is committed, many files will be created like data files, metadata files, and snapshots. Even if iceberg supports…

Aug 17, 2024

Distributed Lock for Iceberg in Chango

Aug 17, 2024

Query Audit in Chango

All the queries executed by query engines like Chango Trino Gateway, Chango Spark Thrift Server and Chango Spark SQL Runner in Chango will…

Aug 8, 2024

Query Audit in Chango

Aug 8, 2024

Run Spark SQL ETL Jobs with Azkaban in Chango

Trino ETL queries can be run through REST simply with Chango Query Exec in Chango as I mentioned in the previous article. In addition…

Aug 8, 2024

Run Spark SQL ETL Jobs with Azkaban in Chango

Aug 8, 2024

Run Trino ETL Jobs with Azkaban in Chango

Trino ETL queries can be sent to Chango Query Exec through REST to run ETL query jobs in trino with ease. So Chango Query Exec is more…

Jul 29, 2024

Run Trino ETL Jobs with Azkaban in Chango

Jul 29, 2024

Resource Groups in Chango Trino Gateway

Resource Groups is used to limit resources of trino cluster with the configurations like maximum number of running queries and queued…

Jul 28, 2024

Resource Groups in Chango Trino Gateway

Jul 28, 2024

Automatic Iceberg Table Maintenance in Chango

Everytime data committed to iceberg tables, many files will be created like data files, snapshots, metadata files which should be…

Jun 21, 2024

Automatic Iceberg Table Maintenance in Chango

Jun 21, 2024

Published in
Dev Genius

Load Files to Iceberg Table using SQL in Chango

It is not easy to load files to iceberg tables. In order to load such as files to iceberg tables, for example, you need to develop spark…

Jun 12, 2024

Load Files to Iceberg Table using SQL in Chango

Jun 12, 2024

Hidden Partitioned Iceberg Table in Chango

There are some ways to create hidden partitioned iceberg tables in Chango. You can create them with trino, but trino does not support all…

May 31, 2024

Hidden Partitioned Iceberg Table in Chango

May 31, 2024

Maintain Iceberg Tables in Chango

Everytime committing data to iceberg tables, many files will be created like metadata, snapshots which need to be maintained, for example…

Apr 25, 2024

Maintain Iceberg Tables in Chango

Apr 25, 2024

Published in
Towards Dev

Data Transformation using Chango Query Exec

If you want to transform data in data lakehouses, you may use query engines such as trino. For example, you can move table data from…

Dec 29, 2023

Dec 29, 2023

Kidong Lee

Kidong Lee

Founder of Cloud Chef Labs | Chango | Unified Data Lakehouse Platform | Iceberg centric Data Lakehouses https://www.cloudchef-labs.com/

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