diff --git a/dbcon/joblist/batchprimitiveprocessor-jl.cpp b/dbcon/joblist/batchprimitiveprocessor-jl.cpp
index 4699042bc..483db763e 100644
--- a/dbcon/joblist/batchprimitiveprocessor-jl.cpp
+++ b/dbcon/joblist/batchprimitiveprocessor-jl.cpp
@@ -1243,7 +1243,7 @@ void BatchPrimitiveProcessorJL::createBPP(ByteStream& bs) const
  * (projection count)x run msgs for projection Commands
  */
 
-void BatchPrimitiveProcessorJL::runBPP(ByteStream& bs, uint32_t pmNum)
+void BatchPrimitiveProcessorJL::runBPP(ByteStream& bs, uint32_t pmNum, bool isExeMgrDEC)
 {
   ISMPacketHeader ism;
   uint32_t i;
@@ -1276,6 +1276,8 @@ void BatchPrimitiveProcessorJL::runBPP(ByteStream& bs, uint32_t pmNum)
 
   bs << dbRoot;
   bs << count;
+  uint8_t sentByEM = (isExeMgrDEC) ? 1 : 0;
+  bs << sentByEM;
 
   if (_hasScan)
     idbassert(ridCount == 0);
diff --git a/dbcon/joblist/batchprimitiveprocessor-jl.h b/dbcon/joblist/batchprimitiveprocessor-jl.h
index a249b3102..5418dc169 100644
--- a/dbcon/joblist/batchprimitiveprocessor-jl.h
+++ b/dbcon/joblist/batchprimitiveprocessor-jl.h
@@ -137,7 +137,7 @@ class BatchPrimitiveProcessorJL
   void addElementType(const StringElementType&, uint32_t dbroot);
   // void setRowGroupData(const rowgroup::RowGroup &);
 
-  void runBPP(messageqcpp::ByteStream&, uint32_t pmNum);
+  void runBPP(messageqcpp::ByteStream&, uint32_t pmNum, bool isExeMgrDEC);
   void abortProcessing(messageqcpp::ByteStream*);
 
   /* After serializing a BPP object, reset it and it's ready for more input */
diff --git a/dbcon/joblist/distributedenginecomm.cpp b/dbcon/joblist/distributedenginecomm.cpp
index 32f5ee45e..0da2fb0dd 100644
--- a/dbcon/joblist/distributedenginecomm.cpp
+++ b/dbcon/joblist/distributedenginecomm.cpp
@@ -199,7 +199,7 @@ void DistributedEngineComm::reset()
 }
 
 DistributedEngineComm::DistributedEngineComm(ResourceManager* rm, bool isExeMgr)
-: fRm(rm), pmCount(0), fIsExeMgr(isExeMgr)
+ : fRm(rm), pmCount(0), fIsExeMgr(isExeMgr)
 {
   Setup();
 }
@@ -288,7 +288,7 @@ void DistributedEngineComm::Setup()
     catch (std::exception& ex)
     {
       if (i < newPmCount)
-        newPmCount = newPmCount > 1 ? newPmCount-1 : 1; // We can't afford to reduce newPmCount to 0
+        newPmCount = newPmCount > 1 ? newPmCount - 1 : 1;  // We can't afford to reduce newPmCount to 0
 
       writeToLog(__FILE__, __LINE__,
                  "Could not connect to PMS" + std::to_string(connectionId) + ": " + ex.what(),
@@ -302,7 +302,7 @@ void DistributedEngineComm::Setup()
     catch (...)
     {
       if (i < newPmCount)
-        newPmCount = newPmCount > 1 ? newPmCount-1 : 1; // We can't afford to reduce newPmCount to 0
+        newPmCount = newPmCount > 1 ? newPmCount - 1 : 1;  // We can't afford to reduce newPmCount to 0
 
       writeToLog(__FILE__, __LINE__, "Could not connect to PMS" + std::to_string(connectionId),
                  LOG_TYPE_ERROR);
@@ -921,7 +921,7 @@ void DistributedEngineComm::StartClientListener(boost::shared_ptr<MessageQueueCl
   fPmReader.push_back(thrd);
 }
 
-void DistributedEngineComm::addDataToOutput(SBS sbs, uint32_t connIndex, Stats* stats)
+void DistributedEngineComm::addDataToOutput(SBS sbs)
 {
   ISMPacketHeader* hdr = (ISMPacketHeader*)(sbs->buf());
   PrimitiveHeader* p = (PrimitiveHeader*)(hdr + 1);
@@ -931,6 +931,39 @@ void DistributedEngineComm::addDataToOutput(SBS sbs, uint32_t connIndex, Stats*
   boost::mutex::scoped_lock lk(fMlock);
   MessageQueueMap::iterator map_tok = fSessionMessages.find(uniqueId);
 
+  // The message for a session that doesn't exist.
+  if (map_tok == fSessionMessages.end())
+  {
+    // Here gets the dead session ByteStream that is already removed
+    // from DEC queue.
+    return;
+  }
+
+  mqe = map_tok->second;
+  lk.unlock();
+
+  if (pmCount > 0)
+  {
+    // I hardcoded the unacked Worker id here. ACK isn't important
+    // for the local exchange b/c there is no need to
+    // enable flowcontrol localy on PM.
+    (void)atomicops::atomicInc(&mqe->unackedWork[0]);
+  }
+
+  [[maybe_unused]] TSQSize_t queueSize = mqe->queue.push(sbs);
+  // There will be no statistics about data transfered
+  // over the memory.
+}
+
+void DistributedEngineComm::addDataToOutput(SBS sbs, uint32_t connIndex, Stats* stats)
+{
+  ISMPacketHeader* hdr = (ISMPacketHeader*)(sbs->buf());
+  PrimitiveHeader* p = (PrimitiveHeader*)(hdr + 1);
+  uint32_t uniqueId = p->UniqueID;
+  boost::shared_ptr<MQE> mqe;
+  boost::mutex::scoped_lock lk(fMlock);
+  MessageQueueMap::iterator map_tok = fSessionMessages.find(uniqueId);
+
   if (map_tok == fSessionMessages.end())
   {
     // For debugging...
@@ -1036,9 +1069,9 @@ int DistributedEngineComm::writeToClient(size_t aPMIndex, const ByteStream& bs,
                     // reconfig the connection array
                     ClientList tempConns;
                     {
-                            //cout << "WARNING: DEC WRITE BROKEN PIPE " << fPmConnections[index]->otherEnd()<<
-    endl; boost::mutex::scoped_lock onErrLock(fOnErrMutex); string moduleName =
-    fPmConnections[index]->moduleName();
+                            //cout << "WARNING: DEC WRITE BROKEN PIPE " <<
+    fPmConnections[index]->otherEnd()<< endl; boost::mutex::scoped_lock onErrLock(fOnErrMutex); string
+    moduleName = fPmConnections[index]->moduleName();
                             //cout << "module name = " << moduleName << endl;
                             if (index >= fPmConnections.size()) return 0;
 
diff --git a/dbcon/joblist/distributedenginecomm.h b/dbcon/joblist/distributedenginecomm.h
index 0ec286289..1aa192df1 100644
--- a/dbcon/joblist/distributedenginecomm.h
+++ b/dbcon/joblist/distributedenginecomm.h
@@ -201,7 +201,13 @@ class DistributedEngineComm
     return fRm->getPsCount() * cpp;
   }
 
+  bool isExeMgrDEC() const
+  {
+    return fIsExeMgr;
+  }
+
   messageqcpp::Stats getNetworkStats(uint32_t uniqueID);
+  void addDataToOutput(messageqcpp::SBS sbs);
 
   friend class ::TestDistributedEngineComm;
 
@@ -251,7 +257,6 @@ class DistributedEngineComm
    *
    */
   void addDataToOutput(messageqcpp::SBS, uint32_t connIndex, messageqcpp::Stats* statsToAdd);
-
   /** @brief Writes data to the client at the index
    *
    * Continues trying to write data to the client at the next index until all clients have been tried.
diff --git a/dbcon/joblist/tuple-bps.cpp b/dbcon/joblist/tuple-bps.cpp
index f59f31b9b..624031f09 100644
--- a/dbcon/joblist/tuple-bps.cpp
+++ b/dbcon/joblist/tuple-bps.cpp
@@ -1047,12 +1047,13 @@ void TupleBPS::storeCasualPartitionInfo(const bool estimateRowCounts)
       const EMEntry& extent = colCmd->getExtents()[idx];
 
       /* If any column filter eliminates an extent, it doesn't get scanned */
-      scanFlags[idx] = scanFlags[idx] && (extent.colWid <= utils::MAXCOLUMNWIDTH) &&  // XXX: change to named constant.
-                       (ignoreCP || extent.partition.cprange.isValid != BRM::CP_VALID ||
-                        colCmd->getColType().colWidth != extent.colWid ||
-                        lbidListVec[i]->CasualPartitionPredicate(
-                            extent.partition.cprange, &(colCmd->getFilterString()), colCmd->getFilterCount(),
-                            colCmd->getColType(), colCmd->getBOP(), colCmd->getIsDict()));
+      scanFlags[idx] =
+          scanFlags[idx] && (extent.colWid <= utils::MAXCOLUMNWIDTH) &&  // XXX: change to named constant.
+          (ignoreCP || extent.partition.cprange.isValid != BRM::CP_VALID ||
+           colCmd->getColType().colWidth != extent.colWid ||
+           lbidListVec[i]->CasualPartitionPredicate(extent.partition.cprange, &(colCmd->getFilterString()),
+                                                    colCmd->getFilterCount(), colCmd->getColType(),
+                                                    colCmd->getBOP(), colCmd->getIsDict()));
     }
   }
 
@@ -2032,7 +2033,7 @@ void TupleBPS::makeJobs(vector<Job>* jobs)
 #endif
 
     startingLBID = scannedExtents[i].range.start;
-
+    bool isExeMgrDEC = fDec->isExeMgrDEC();
     while (blocksToScan > 0)
     {
       uint32_t blocksThisJob = min(blocksToScan, blocksPerJob);
@@ -2040,7 +2041,7 @@ void TupleBPS::makeJobs(vector<Job>* jobs)
       fBPP->setLBID(startingLBID, scannedExtents[i]);
       fBPP->setCount(blocksThisJob);
       bs.reset(new ByteStream());
-      fBPP->runBPP(*bs, (*dbRootConnectionMap)[scannedExtents[i].dbRoot]);
+      fBPP->runBPP(*bs, (*dbRootConnectionMap)[scannedExtents[i].dbRoot], isExeMgrDEC);
       jobs->push_back(
           Job(scannedExtents[i].dbRoot, (*dbRootConnectionMap)[scannedExtents[i].dbRoot], blocksThisJob, bs));
       blocksToScan -= blocksThisJob;
@@ -2373,7 +2374,9 @@ void TupleBPS::receiveMultiPrimitiveMessages()
       for (uint32_t z = 0; z < size; z++)
       {
         if (bsv[z]->length() > 0 && fBPP->countThisMsg(*(bsv[z])))
+        {
           ++msgsRecvd;
+        }
       }
 
       //@Bug 1424,1298
diff --git a/primitives/primproc/batchprimitiveprocessor.cpp b/primitives/primproc/batchprimitiveprocessor.cpp
index 99224c7ac..59f298566 100644
--- a/primitives/primproc/batchprimitiveprocessor.cpp
+++ b/primitives/primproc/batchprimitiveprocessor.cpp
@@ -37,6 +37,7 @@
 #include <string>
 #include <sstream>
 #include <set>
+#include "serviceexemgr.h"
 #include <stdlib.h>
 using namespace std;
 
@@ -117,7 +118,7 @@ BatchPrimitiveProcessor::BatchPrimitiveProcessor()
  , validCPData(false)
  , minVal(MAX64)
  , maxVal(MIN64)
-, cpDataFromDictScan(false)
+ , cpDataFromDictScan(false)
  , lbidForCP(0)
  , hasWideColumnOut(false)
  , busyLoaderCount(0)
@@ -140,6 +141,7 @@ BatchPrimitiveProcessor::BatchPrimitiveProcessor()
  , ptMask(0)
  , firstInstance(false)
  , valuesLBID(0)
+ , initiatedByEM_(false)
 {
   pp.setLogicalBlockMode(true);
   pp.setBlockPtr((int*)blockData);
@@ -193,6 +195,7 @@ BatchPrimitiveProcessor::BatchPrimitiveProcessor(ByteStream& b, double prefetch,
  // ptMask(processorThreads - 1),
  , firstInstance(true)
  , valuesLBID(0)
+ , initiatedByEM_(false)
 {
   // promote processorThreads to next power of 2.  also need to change the name to bucketCount or similar
   processorThreads = nextPowOf2(processorThreads);
@@ -544,6 +547,10 @@ void BatchPrimitiveProcessor::resetBPP(ByteStream& bs, const SP_UM_MUTEX& w, con
   bs.advance(sizeof(ISMPacketHeader) + 16);
   bs >> dbRoot;
   bs >> count;
+  uint8_t u8 = 0;
+  bs >> u8;
+  initiatedByEM_ = u8;
+
   bs >> ridCount;
 
   if (gotAbsRids)
@@ -1647,8 +1654,9 @@ void BatchPrimitiveProcessor::execute()
           }
 
           //				else
-          //					cout << "   no target found for OID " << projectSteps[j]->getOID() <<
-          //endl;
+          //					cout << "   no target found for OID " <<
+          // projectSteps[j]->getOID()
+          //<< endl;
         }
         if (fe2)
         {
@@ -1764,7 +1772,7 @@ void BatchPrimitiveProcessor::execute()
           for (j = 0; j < projectCount; ++j)
           {
             if (projectionMap[j] != -1 && !keyColumnProj[j] && !hasJoinFEFilters &&
-              !oldRow.isLongString(projectionMap[j]))
+                !oldRow.isLongString(projectionMap[j]))
             {
 #ifdef PRIMPROC_STOPWATCH
               stopwatch->start("-- projectIntoRowGroup");
@@ -1787,20 +1795,20 @@ void BatchPrimitiveProcessor::execute()
             while (moreRGs && !sendThread->aborted())
             {
               /*
-                  *                        generate 1 rowgroup (8192 rows max) of joined rows
-                  *                        if there's an FE2, run it
-                  *                                -pack results into a new rowgroup
-                  *                                -if there are < 8192 rows in the new RG, continue
-                  *                        if there's an agg, run it
-                  *                        send the result
-              */
+               *                        generate 1 rowgroup (8192 rows max) of joined rows
+               *                        if there's an FE2, run it
+               *                                -pack results into a new rowgroup
+               *                                -if there are < 8192 rows in the new RG, continue
+               *                        if there's an agg, run it
+               *                        send the result
+               */
               resetGJRG();
               moreRGs = generateJoinedRowGroup(baseJRow);
-                  //                            smoreRGs = moreRGs;
-                  sendCount = (uint8_t)(!moreRGs && !startRid);
-                  //                            *serialized << (uint8_t)(!moreRGs && !startRid);   // the "count
-                  //                            this msg" var
-                  *serialized << sendCount;
+              //                            smoreRGs = moreRGs;
+              sendCount = (uint8_t)(!moreRGs && !startRid);
+              //                            *serialized << (uint8_t)(!moreRGs && !startRid);   // the "count
+              //                            this msg" var
+              *serialized << sendCount;
               if (fe2)
               {
                 /* functionize this -> processFE2()*/
@@ -1828,7 +1836,7 @@ void BatchPrimitiveProcessor::execute()
               {
                 fAggregator->addRowGroup(&nextRG);
 
-                    if ((currentBlockOffset + 1) == count && moreRGs == false && startRid == 0)  // @bug4507, 8k
+                if ((currentBlockOffset + 1) == count && moreRGs == false && startRid == 0)  // @bug4507, 8k
                 {
                   fAggregator->loadResult(*serialized);            // @bug4507, 8k
                 }                                                  // @bug4507, 8k
@@ -1862,7 +1870,7 @@ void BatchPrimitiveProcessor::execute()
               // Should we happen to finish sending data rows right on the boundary of when moreRGs flips off,
               // then we need to start a new buffer. I.e., it needs the count this message byte pushed.
               if (serialized->length() == preamble.length())
-              *serialized << (uint8_t)(startRid > 0 ? 0 : 1);  // the "count this msg" var
+                *serialized << (uint8_t)(startRid > 0 ? 0 : 1);  // the "count this msg" var
 
               *serialized << ridCount;
 
@@ -1871,7 +1879,7 @@ void BatchPrimitiveProcessor::execute()
                 for (j = 0; j < ridCount; ++j)
                 {
                   serializeInlineVector<uint32_t>(*serialized, tSmallSideMatches[i][j]);
-                      tSmallSideMatches[i][j].clear();
+                  tSmallSideMatches[i][j].clear();
                 }
               }
             }
@@ -1897,7 +1905,7 @@ void BatchPrimitiveProcessor::execute()
               for (j = 0; j < ridCount; ++j)
               {
                 serializeInlineVector<uint32_t>(*serialized, tSmallSideMatches[i][j]);
-                  tSmallSideMatches[i][j].clear();
+                tSmallSideMatches[i][j].clear();
               }
             }
           }
@@ -2134,6 +2142,17 @@ void BatchPrimitiveProcessor::serializeStrings()
 
 void BatchPrimitiveProcessor::sendResponse()
 {
+  bool isLocalNodeConnection = exemgr::globServiceExeMgr->isLocalNodeSock(sock);
+  // Here is the fast path for local EM to PM interacction. PM puts into the
+  // input EM DEC queue directly.
+  if (initiatedByEM_ && isLocalNodeConnection)
+  {
+    joblist::DistributedEngineComm* exeMgrDecPtr = exemgr::globServiceExeMgr->getDec();
+    exeMgrDecPtr->addDataToOutput(serialized);
+    serialized.reset();
+    return;
+  }
+
   if (sendThread->flowControlEnabled())
   {
     // newConnection should be set only for the first result of a batch job
diff --git a/primitives/primproc/batchprimitiveprocessor.h b/primitives/primproc/batchprimitiveprocessor.h
index 4469fa6ce..e7cd20a89 100644
--- a/primitives/primproc/batchprimitiveprocessor.h
+++ b/primitives/primproc/batchprimitiveprocessor.h
@@ -53,7 +53,6 @@
 #include "bppsendthread.h"
 #include "columnwidth.h"
 
-//#define PRIMPROC_STOPWATCH
 #ifdef PRIMPROC_STOPWATCH
 #include "stopwatch.h"
 #endif
@@ -433,6 +432,7 @@ class BatchPrimitiveProcessor
   uint ptMask;
   bool firstInstance;
   uint64_t valuesLBID;
+  bool initiatedByEM_;
 
   static const uint64_t maxResultCount = 1048576;  // 2^20
 
diff --git a/primitives/primproc/serviceexemgr.h b/primitives/primproc/serviceexemgr.h
index 606ae48db..905f77b0a 100644
--- a/primitives/primproc/serviceexemgr.h
+++ b/primitives/primproc/serviceexemgr.h
@@ -20,7 +20,9 @@
 #include <iostream>
 #include <cstdint>
 #include <csignal>
+#include <ifaddrs.h>
 #include <sys/resource.h>
+#include <sys/types.h>
 
 #undef root_name
 #include <boost/filesystem.hpp>
@@ -60,6 +62,7 @@
 
 namespace exemgr
 {
+  using SharedPtrEMSock = boost::shared_ptr<messageqcpp::IOSocket>;
   class Opt
   {
   public:
@@ -168,7 +171,6 @@ namespace exemgr
     }
     void initMaxMemPct(uint32_t sessionId)
     {
-      // WIP
       if (sessionId < 0x80000000)
       {
         std::lock_guard<std::mutex> lk(sessionMemMapMutex_);
@@ -187,7 +189,6 @@ namespace exemgr
     uint64_t getMaxMemPct(const uint32_t sessionId)
     {
       uint64_t maxMemoryPct = 0;
-      // WIP
       if (sessionId < 0x80000000)
       {
         std::lock_guard<std::mutex> lk(sessionMemMapMutex_);
@@ -290,6 +291,17 @@ namespace exemgr
     {
       return *rm_;
     }
+    bool isLocalNodeSock(SharedPtrEMSock& sock) const
+    {
+      for (auto& sin : localNetIfaceSins_)
+      {
+        if (sock->isSameAddr(sin))
+        {
+          return true;
+        }
+      }
+      return false;
+    }
   private:
     void setupSignalHandlers();
     int8_t setupCwd()
@@ -326,7 +338,27 @@ namespace exemgr
       }
       return 0;
     }
-
+    void getLocalNetIfacesSins()
+    {
+      string ipAddress = "Unable to get IP Address";
+      struct ifaddrs* netIfacesList = nullptr;
+      struct ifaddrs* ifaceListMembPtr = nullptr;
+      int success = 0;
+      // retrieve the current interfaces - returns 0 on success
+      success = getifaddrs(&netIfacesList);
+      if (success == 0)
+      {
+        ifaceListMembPtr = netIfacesList;
+        for (; ifaceListMembPtr; ifaceListMembPtr = ifaceListMembPtr->ifa_next)
+        {
+          if (ifaceListMembPtr->ifa_addr->sa_family == AF_INET)
+          {
+            localNetIfaceSins_.push_back(((struct sockaddr_in*)ifaceListMembPtr->ifa_addr)->sin_addr);
+          }
+        }
+      }
+      freeifaddrs(netIfacesList);
+    }
     logging::Logger msgLog_;
     SessionMemMap_t sessionMemMap_; // track memory% usage during a query
     std::mutex sessionMemMapMutex_;
@@ -343,6 +375,7 @@ namespace exemgr
     joblist::ResourceManager* rm_;
     // Its attributes are set in Child()
     querytele::QueryTeleServerParms teleServerParms_;
+    std::vector<struct in_addr> localNetIfaceSins_;
   };
   extern ServiceExeMgr* globServiceExeMgr;
 }
\ No newline at end of file
diff --git a/utils/messageqcpp/inetstreamsocket.cpp b/utils/messageqcpp/inetstreamsocket.cpp
index 45f605bcb..686b5e8bd 100644
--- a/utils/messageqcpp/inetstreamsocket.cpp
+++ b/utils/messageqcpp/inetstreamsocket.cpp
@@ -1075,6 +1075,10 @@ bool InetStreamSocket::isSameAddr(const Socket* rhs) const
 
   return (fSa.sin_addr.s_addr == issp->fSa.sin_addr.s_addr);
 }
+bool InetStreamSocket::isSameAddr(const struct in_addr& ipv4Addr) const
+{
+  return (fSa.sin_addr.s_addr == ipv4Addr.s_addr);
+}
 
 /*static*/
 int InetStreamSocket::ping(const std::string& ipaddr, const struct timespec* timeout)
diff --git a/utils/messageqcpp/inetstreamsocket.h b/utils/messageqcpp/inetstreamsocket.h
index bed34d53c..1e69ee670 100644
--- a/utils/messageqcpp/inetstreamsocket.h
+++ b/utils/messageqcpp/inetstreamsocket.h
@@ -201,6 +201,7 @@ class InetStreamSocket : public Socket
    *
    */
   virtual bool isSameAddr(const Socket* rhs) const;
+  virtual bool isSameAddr(const struct in_addr& ipv4Addr) const;
 
   /** ping an ip address
    *
diff --git a/utils/messageqcpp/iosocket.h b/utils/messageqcpp/iosocket.h
index 8a23ab790..965caae1a 100644
--- a/utils/messageqcpp/iosocket.h
+++ b/utils/messageqcpp/iosocket.h
@@ -179,6 +179,11 @@ class IOSocket
   {
     return fSocket->isSameAddr(rhs->fSocket);
   }
+  virtual bool isSameAddr(const struct in_addr& ipv4Addr) const
+  {
+    return fSocket->isSameAddr(ipv4Addr);
+  }
+
 
   /** connect() forwarder for inherited classes
    *
diff --git a/utils/messageqcpp/socket.h b/utils/messageqcpp/socket.h
index c2c9d969f..6e46eb10b 100644
--- a/utils/messageqcpp/socket.h
+++ b/utils/messageqcpp/socket.h
@@ -174,6 +174,7 @@ class Socket
    *
    */
   virtual bool isSameAddr(const Socket* rhs) const = 0;
+  virtual bool isSameAddr(const struct in_addr& ipv4Addr) const = 0;
 
   virtual bool isConnected() const = 0;
   virtual bool hasData() const = 0;