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MCOL-507 Further ExeMgr performance improvements

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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
This commit is contained in:
Andrew Hutchings
2017-01-16 12:33:27 +00:00
parent 605f6c51e2
commit ffcfc41563
49 changed files with 197 additions and 178 deletions
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4
dbcon/joblist/columncommand-jl.cpp
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@ -103,8 +103,8 @@ ColumnCommandJL::ColumnCommandJL(const pColStep &step)
OID = step.fOid;
colName = step.fName;
fIsDict = step.fIsDict;
ResourceManager rm;
numDBRoots = rm.getDBRootCount();
ResourceManager *rm = ResourceManager::instance();
numDBRoots = rm->getDBRootCount();
// grab the last LBID for this column. It's a _minor_ optimization for the block loader.
//dbrm.getLastLocalHWM((BRM::OID_t)OID, dbroot, partNum, segNum, lastHWM);