beta-20160721.md

title	toc	summary	redirect_from
What's New in beta-20160721	true	Additions and changes in CockroachDB version beta-20160721.	/beta-20160721.html

Jul 21, 2016

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Binaries

Mac Linux

New Features

• Metrics are now exported on /_status/vars in a format suitable for aggregation by Prometheus. #7895

Build Changes

• Go 1.6.3 and 1.7rc2 are now supported. #7811
• The native versions of Docker for Mac and Windows are now supported. Users of a docker-machine VM may need to set environment variables by hand as this case is no longer detected automatically. #7820

UI Changes

• The Admin UI now displays a warning when there are fewer than three nodes. #7783

Performance Improvements

• Writes to different ranges are now performed in parallel. #7860
• The first range descriptor is kept more up-to-date. #7766
• Ranges are now considered for splits after any replication or rebalancing change. #7800
• An existing table lease can now be reused without writing to the lease table as long as it has enough time left before expiration. #7781
• The rebalancing system now avoids moving the current leader of a range. #7918
• Transaction records related to splits are now garbage-collected promptly. #7903

Bug Fixes

• Command history works again in the command-line SQL interface. #7818
• The cockroach dump command now works with tables that have DECIMAL columns that specify a precision and scale. #7842
• Fixed several panics when handling invalid SQL commands. #7867 #7868
• ALTER TABLE ADD COLUMN now supports the IF NOT EXISTS modifier. #7898
• Fixed a race in gossip status logging. #7836

Doc Updates

• Feedback can now be submitted from the bottom of any page of our docs. #467
• Updated Recommended Production Settings to provide OS-specific instructions for increasing the file descriptors limit. #459
• Updated INTERVAL to cover all supported interval formats: Golang, Traditional Postgres, and ISO 8601. #462
• Updated Start a Cluster in Docker to work for Docker on Windows. #457

Contributors

This release includes 76 merged PRs by 21 authors. We would especially like to thank first-time contributors Christian Meunier and Dharmesh Kakadia from the CockroachDB community.