13.0.0 (Dremio January 2021) Release Notes
Dremio 13.0.0 deprecates the legacy authentication mode for the Arrow Flight server endpoint and will remove it in a future release.
- Dremio 13.0.0 improves platform stability by limiting the number of concurrent refreshes of metadata.
- Dremio 13.0.0 enhances security by limiting the resource scope and lifetime of authentication tokens sent with the query parameters for operations that redirect users to a resource, such as generating a job profile, downloading a dataset, and downloading a query support bundle. By default, the temporary tokens live for 5 minutes. See Support Keys for instructions on configuring the
Fixed Issues in 13.0.0
Calcite bug affects query performance
Fixed by trimming queries below a distinct
Dremio helm chart fails with error: unable to build kubernetes objects from release manifest
Resolved issue where annotations and labels could not be applied to certain resources.
13.1.0 Release Notes
- Dremio 13.1.0 supports runtime filter on renamed columns.
- Dremio 13.1.0 improves memory management of executor nodes by cancelling non-active queries.
Fixed Issues in 13.1.0
GROUP BY operator with large
IN clause returns incorrect query results
Resolved by enforcing the singleton design pattern on the
Unable to open a job profile and download dataset in AWS Edition
Fixed by supporting temporary authentication tokens in AWS Edition.
Dremio fails with
OutOfMemoryError: Java heap space error
Resolved by limiting the number of deferred exceptions.
13.2.0 Release Notes
Fixed Issues in 13.2.0
COALESCE SQL functions return incorrect query results in Gandiva
Fixed by correcting execution of
IF ... ELSE statements in Gandiva-based execution.