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Andrew Hutchings ffcfc41563 MCOL-507 Further ExeMgr performance improvements
This does the following:

* Switch resource manager to a singleton which reduces the amount of
times the XML data is scanned and objects allocated.
* Make the I_S tables use the FE implementation of the system catalog
* Make the I_S.columnstore_columns table use the RID list cache
* Make the extentmap pre-allocate a vector instead of many small allocs
2017-01-16 12:33:27 +00:00
..
2016-01-06 14:08:59 -06:00
2016-01-06 14:08:59 -06:00