Merge pull request #5607 from jakesmith/hpcc-11097

HPCC-11097 - Turn off default debug row crc checking

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>

thorlcr/graph/thgraph.cpp

@@ -2535,12 +2535,7 @@ void CJobBase::init()
     pausing = false;
     resumed = false;
 
-#ifdef _DEBUG
-    bool defaultCrcChecking = true;
-#else
-    bool defaultCrcChecking = false;
-#endif
-    bool crcChecking = 0 != getWorkUnitValueInt("THOR_ROWCRC", globals->getPropBool("@THOR_ROWCRC", defaultCrcChecking));
+    bool crcChecking = 0 != getWorkUnitValueInt("THOR_ROWCRC", globals->getPropBool("@THOR_ROWCRC", false));
     bool usePackedAllocator = 0 != getWorkUnitValueInt("THOR_PACKEDALLOCATOR", globals->getPropBool("@THOR_PACKEDALLOCATOR", false));
     unsigned memorySpillAt = (unsigned)getWorkUnitValueInt("memorySpillAt", globals->getPropInt("@memorySpillAt", 80));
     thorAllocator.setown(createThorAllocator(((memsize_t)globalMemorySize)*0x100000, memorySpillAt, *logctx, crcChecking, usePackedAllocator));