Manfred Moser and Cole Bowden are joined by Mateusz Gajewski to discuss the development of the new spooling mode for the Trino client protocol. We look at cluster configuration, client drivers, and run some demos.
Follow are some highlights of the first release of 2025. It took us a bit longer to work through release blockers this time:
FIRST
, AFTER
, and LAST
clauses to ALTER TABLE ...
ADD COLUMN
for Iceberg, MySQL, and MariaDB.As always, numerous performance improvements, bug fixes, and other features were added as well.
What can we say? Top contributor and maintainer, and all around hacker on Trino, numerous Trino subprojects, Airlift, and beyond.
Let’s talk about the Trino client protocol. Following are some topics we cover:
Mateusz walks through the presentation and Cole and Manfred ask a lot of questions:
Mateusz show us his example and testing setup with Starburst Galaxy clusters configured for spooling protocol use and shares some of the performance gains he observes.
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If you want to learn more about Trino, check out the definitive guide from O’Reilly. You can get the free PDF from Starburst or buy the English, Polish, Chinese, or Japanese edition.