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We also strongly encourage improvements to our developer documentation: we need better build documentation, getting started guides, style guides and more!
See Documentation for instructions and guidelines on contributing to the Impala user documentation (SQL Reference, performance tuning, and so on).
How do I contribute code?
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Fourth, run all the existing Impala test to ensure your fix doesn't introduce any new issues. See How to load, run, and run create new Impala tests for more details.
Fifth, please keep your patch narrowly targeted to the problem described by the JIRA. It’s better for everyone if we maintain discipline about the scope of each patch. In general, if you find a bug while working on a specific feature, file a JIRA for the bug, check if you can assign it to yourself and fix it independently of the feature. This helps us to differentiate between bug fixes and features and allows us to build stable maintenance releases.
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