============= Release 0.253

.. warning:: A CPU regression was introduced by :pr:16027 for queries using :func:!element_at with MAP

Details

General Changes

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• Fix amplified Cumulative User Memory metric in web UI.
• Add tracking for system memory used by column statistics in TableFinishOperator.
• Add support for shutting down coordinator via /v1/info/state endpoint.
• Add :func:!binomial_cdf and :func:!inverse_binomial_cdf functions.

Security Changes

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• Add support for schema access control in file based system access control.

Hive Changes

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• Fix S3 table creation error when the specified directory location is created from AWS console.
• Add Hive metastore impersonation access. This can be enabled with the hive.metastore-impersonation-enabled configuration property.
• Add load balancing of multiple Hive metastore instances. This can be enabled with the hive.metastore.load-balancing-enabled configuration property.

Contributors

Abhisek Gautam Saikia, Andrii Rosa, Arunachalam Thirupathi, Beinan Wang, Bin Fan, Dongliang Chen, Eran Amar, James Petty, James Sun, Ke Wang, Maria Basmanova, Mayank Garg, Naveen Kumar Mahadevuni, Rebecca Schlussel, Reetika Agrawal, Rohit Jain, Rongrong Zhong, Shixuan Fan, Tim Meehan, Vic Zhang, Xiang Fu, Yang Yang, Zhongting Hu, frankobe, vaishnavibatni