Merge perch.ndb.mysql.com:/home/jonas/src/41-work (536fe1fa) · Commits · Software / OSDI20 Artifacts / mariadb

ndb/src/kernel/blocks/dbdih/Dbdih.hpp

+2 −0

Original line number	Diff line number	Diff line
		@@ -1044,6 +1044,8 @@ private:
		void removeStoredReplica(FragmentstorePtr regFragptr,
		ReplicaRecordPtr replicaPtr);
		void searchStoredReplicas(FragmentstorePtr regFragptr);
		bool setup_create_replica(FragmentstorePtr, CreateReplicaRecord*,
		ConstPtr<ReplicaRecord>);
		void updateNodeInfo(FragmentstorePtr regFragptr);

		//------------------------------------

ndb/src/kernel/blocks/dbdih/DbdihMain.cpp

+91 −71

Original line number	Diff line number	Diff line
		@@ -8344,14 +8344,30 @@ Dbdih::resetReplicaSr(TabRecordPtr tabPtr){

		resetReplicaLcp(replicaPtr.p, newestRestorableGCI);

		/* -----------------------------------------------------------------
		* LINK THE REPLICA INTO THE STORED REPLICA LIST. WE WILL USE THIS
		* NODE AS A STORED REPLICA.
		* WE MUST FIRST LINK IT OUT OF THE LIST OF OLD STORED REPLICAS.
		* --------------------------------------------------------------- */
		/**
		* Make sure we can also find REDO for restoring replica...
		*/
		{
		CreateReplicaRecord createReplica;
		ConstPtr<ReplicaRecord> constReplicaPtr;
		constReplicaPtr.i = replicaPtr.i;
		constReplicaPtr.p = replicaPtr.p;
		if (setup_create_replica(fragPtr,
		&createReplica, constReplicaPtr))
		{
		removeOldStoredReplica(fragPtr, replicaPtr);
		linkStoredReplica(fragPtr, replicaPtr);
		}
		else
		{
		infoEvent("Forcing take-over of node %d due to unsufficient REDO"
		" for table %d fragment: %d",
		nodePtr.i, tabPtr.i, i);

		setNodeActiveStatus(nodePtr.i,
		Sysfile::NS_NotActive_NotTakenOver);
		}
		}
		}
		default:
		jam();
		@@ -9399,6 +9415,7 @@ void Dbdih::calculateKeepGciLab(Signal* signal, Uint32 tableId, Uint32 fragId)
		FragmentstorePtr fragPtr;
		getFragstore(tabPtr.p, fragId, fragPtr);
		checkKeepGci(tabPtr, fragId, fragPtr.p, fragPtr.p->storedReplicas);
		checkKeepGci(tabPtr, fragId, fragPtr.p, fragPtr.p->oldStoredReplicas);
		fragId++;
		if (fragId >= tabPtr.p->totalfragments) {
		jam();
		@@ -12281,37 +12298,14 @@ void Dbdih::removeTooNewCrashedReplicas(ReplicaRecordPtr rtnReplicaPtr)
		/* CHECKPOINT WITHOUT NEEDING ANY EXTRA LOGGING FACILITIES.*/
		/* A MAXIMUM OF FOUR NODES IS RETRIEVED. */
		/*************************************************************************/
		void Dbdih::searchStoredReplicas(FragmentstorePtr fragPtr)
		bool
		Dbdih::setup_create_replica(FragmentstorePtr fragPtr,
		CreateReplicaRecord* createReplicaPtrP,
		ConstPtr<ReplicaRecord> replicaPtr)
		{
		Uint32 nextReplicaPtrI;
		ConstPtr<ReplicaRecord> replicaPtr;
		createReplicaPtrP->dataNodeId = replicaPtr.p->procNode;
		createReplicaPtrP->replicaRec = replicaPtr.i;

		replicaPtr.i = fragPtr.p->storedReplicas;
		while (replicaPtr.i != RNIL) {
		jam();
		ptrCheckGuard(replicaPtr, creplicaFileSize, replicaRecord);
		nextReplicaPtrI = replicaPtr.p->nextReplica;
		NodeRecordPtr nodePtr;
		nodePtr.i = replicaPtr.p->procNode;
		ptrCheckGuard(nodePtr, MAX_NDB_NODES, nodeRecord);
		if (nodePtr.p->nodeStatus == NodeRecord::ALIVE) {
		jam();
		switch (nodePtr.p->activeStatus) {
		case Sysfile::NS_Active:
		case Sysfile::NS_ActiveMissed_1:
		case Sysfile::NS_ActiveMissed_2:{
		/* ----------------------------------------------------------------- */
		/* INITIALISE THE CREATE REPLICA STRUCTURE THAT IS USED FOR SENDING*/
		/* TO LQH START_FRAGREQ. */
		/* SET THE DATA NODE WHERE THE LOCAL CHECKPOINT IS FOUND. ALSO */
		/* SET A REFERENCE TO THE REPLICA POINTER OF THAT. */
		/* ----------------------------------------------------------------- */
		CreateReplicaRecordPtr createReplicaPtr;
		createReplicaPtr.i = cnoOfCreateReplicas;
		ptrCheckGuard(createReplicaPtr, 4, createReplicaRecord);
		cnoOfCreateReplicas++;
		createReplicaPtr.p->dataNodeId = replicaPtr.p->procNode;
		createReplicaPtr.p->replicaRec = replicaPtr.i;
		/* ----------------------------------------------------------------- */
		/* WE NEED TO SEARCH FOR A PROPER LOCAL CHECKPOINT TO USE FOR THE */
		/* SYSTEM RESTART. */
		@@ -12323,7 +12317,8 @@ void Dbdih::searchStoredReplicas(FragmentstorePtr fragPtr)
		stopGci,
		startGci,
		startLcpNo);
		if (!result) {
		if (!result)
		{
		jam();
		/* --------------------------------------------------------------- */
		/* WE COULD NOT FIND ANY LOCAL CHECKPOINT. THE FRAGMENT THUS DO NOT*/
		@@ -12335,22 +12330,20 @@ void Dbdih::searchStoredReplicas(FragmentstorePtr fragPtr)
		/* TO INDICATE THAT NO LOCAL CHECKPOINT IS TO BE USED WE SET THE */
		/* LOCAL CHECKPOINT TO ZNIL. */
		/* --------------------------------------------------------------- */
		createReplicaPtr.p->lcpNo = ZNIL;
		} else {
		createReplicaPtrP->lcpNo = ZNIL;
		}
		else
		{
		jam();
		/* --------------------------------------------------------------- */
		/* WE FOUND A PROPER LOCAL CHECKPOINT TO RESTART FROM. */
		/* SET LOCAL CHECKPOINT ID AND LOCAL CHECKPOINT NUMBER. */
		/* --------------------------------------------------------------- */
		createReplicaPtr.p->lcpNo = startLcpNo;
		createReplicaPtrP->lcpNo = startLcpNo;
		arrGuard(startLcpNo, MAX_LCP_STORED);
		createReplicaPtr.p->createLcpId = replicaPtr.p->lcpId[startLcpNo];
		createReplicaPtrP->createLcpId = replicaPtr.p->lcpId[startLcpNo];
		}//if

		if(ERROR_INSERTED(7073) \|\| ERROR_INSERTED(7074)){
		jam();
		nodePtr.p->nodeStatus = NodeRecord::DEAD;
		}

		/* ----------------------------------------------------------------- */
		/* WE HAVE EITHER FOUND A LOCAL CHECKPOINT OR WE ARE PLANNING TO */
		@@ -12358,21 +12351,48 @@ void Dbdih::searchStoredReplicas(FragmentstorePtr fragPtr)
		/* CASES WE NEED TO FIND A SET OF LOGS THAT CAN EXECUTE SUCH THAT */
		/* WE RECOVER TO THE SYSTEM RESTART GLOBAL CHECKPOINT. */
		/* -_--------------------------------------------------------------- */
		if (!findLogNodes(createReplicaPtr.p, fragPtr, startGci, stopGci)) {
		jam();
		/* --------------------------------------------------------------- */
		/* WE WERE NOT ABLE TO FIND ANY WAY OF RESTORING THIS REPLICA. */
		/* THIS IS A POTENTIAL SYSTEM ERROR. */
		/* --------------------------------------------------------------- */
		cnoOfCreateReplicas--;
		return;
		}//if
		return findLogNodes(createReplicaPtrP, fragPtr, startGci, stopGci);
		}

		void Dbdih::searchStoredReplicas(FragmentstorePtr fragPtr)
		{
		Uint32 nextReplicaPtrI;
		Ptr<ReplicaRecord> replicaPtr;

		if(ERROR_INSERTED(7073) \|\| ERROR_INSERTED(7074)){
		replicaPtr.i = fragPtr.p->storedReplicas;
		while (replicaPtr.i != RNIL) {
		jam();
		nodePtr.p->nodeStatus = NodeRecord::ALIVE;
		}
		ptrCheckGuard(replicaPtr, creplicaFileSize, replicaRecord);
		nextReplicaPtrI = replicaPtr.p->nextReplica;
		ConstPtr<ReplicaRecord> constReplicaPtr;
		constReplicaPtr.i = replicaPtr.i;
		constReplicaPtr.p = replicaPtr.p;
		NodeRecordPtr nodePtr;
		nodePtr.i = replicaPtr.p->procNode;
		ptrCheckGuard(nodePtr, MAX_NDB_NODES, nodeRecord);
		if (nodePtr.p->nodeStatus == NodeRecord::ALIVE) {
		jam();
		switch (nodePtr.p->activeStatus) {
		case Sysfile::NS_Active:
		case Sysfile::NS_ActiveMissed_1:
		case Sysfile::NS_ActiveMissed_2:{
		/* ----------------------------------------------------------------- */
		/* INITIALISE THE CREATE REPLICA STRUCTURE THAT IS USED FOR SENDING*/
		/* TO LQH START_FRAGREQ. */
		/* SET THE DATA NODE WHERE THE LOCAL CHECKPOINT IS FOUND. ALSO */
		/* SET A REFERENCE TO THE REPLICA POINTER OF THAT. */
		/* ----------------------------------------------------------------- */
		CreateReplicaRecordPtr createReplicaPtr;
		createReplicaPtr.i = cnoOfCreateReplicas;
		ptrCheckGuard(createReplicaPtr, 4, createReplicaRecord);
		cnoOfCreateReplicas++;

		/**
		* Should have been checked in resetReplicaSr
		*/
		ndbrequire(setup_create_replica(fragPtr,
		createReplicaPtr.p,
		constReplicaPtr));
		break;
		}
		default: