Internal machinary tech debt issues list
Implement Disk-based aggregation
support ability to override ExtentRows
Add a build using TSAN into CI
Improve multi-UPDATE performance when foreign engine table is involved.
Update CPRange max/min for extent doing DML
Improve disk join behavior for unfortunate data distributions
Improve DML messaging performance
Optimize UPDATE operation that touches many rows at once.
Extent Map must have separate linear arrays for different column widths
EMPTY column for persistant storage
Parallel sorting 2nd phase and on disk spill capability.
Find and replace legacy OAM facilities used by ColumnStore.
segv from cpimport bulk load preparation
Make JOIN collation aware
Optimize syscat queries or change syscat engine
Add ecnryption and authentication to DEC class and all networking communication
Re-implement unit testing.
Replace row-oriented processing in WE for DML operations with batch processing.
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