HugoOperations::~HugoOperations(){
deallocRows();
if (pTrans != NULL)
{
pTrans->close();
pTrans = NULL;
}
}
int
HugoAsynchTransactions::pkReadRecordsAsynch(Ndb* pNdb,
int records,
int batch,
int trans,
int operations) {
g_info << "|- Reading records asynchronous..." << endl;
allocRows(trans*operations);
int result = executeAsynchOperation(pNdb, records, batch, trans, operations,
NO_READ);
g_info << "|- " << (unsigned int)transactionsCompleted * operations
<< " read..."
<< endl;
deallocRows();
return result;
}
int
HugoTransactions::pkUpdateRecords(Ndb* pNdb,
int records,
int batch,
int doSleep){
int updated = 0;
int r = 0;
int retryAttempt = 0;
int check, b;
allocRows(batch);
g_info << "|- Updating records (batch=" << batch << ")..." << endl;
int batch_no = 0;
while (r < records){
if(r + batch > records)
batch = records - r;
if (m_thr_count != 0 && m_thr_no != batch_no % m_thr_count)
{
r += batch;
batch_no++;
continue;
}
if (retryAttempt >= m_retryMax){
g_info << "ERROR: has retried this operation " << retryAttempt
<< " times, failing!" << endl;
return NDBT_FAILED;
}
if (doSleep > 0)
NdbSleep_MilliSleep(doSleep);
pTrans = pNdb->startTransaction();
if (pTrans == NULL) {
const NdbError err = pNdb->getNdbError();
if (err.status == NdbError::TemporaryError){
ERR(err);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
ERR(err);
return NDBT_FAILED;
}
if(pkReadRecord(pNdb, r, batch, NdbOperation::LM_Exclusive) != NDBT_OK)
{
ERR(pTrans->getNdbError());
closeTransaction(pNdb);
return NDBT_FAILED;
}
check = pTrans->execute(NoCommit, AbortOnError);
if( check == -1 ) {
const NdbError err = pTrans->getNdbError();
if (err.status == NdbError::TemporaryError){
ERR(err);
closeTransaction(pNdb);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
ERR(err);
closeTransaction(pNdb);
return NDBT_FAILED;
}
MicroSecondTimer timer_start;
MicroSecondTimer timer_stop;
bool timer_active =
m_stats_latency != 0 &&
r >= batch && // first batch is "warmup"
r + batch != records; // last batch is usually partial
if (timer_active)
NdbTick_getMicroTimer(&timer_start);
if(pIndexScanOp)
{
int rows_found = 0;
while((check = pIndexScanOp->nextResult(true)) == 0)
{
do {
if (calc.verifyRowValues(rows[0]) != 0){
closeTransaction(pNdb);
return NDBT_FAILED;
}
int updates = calc.getUpdatesValue(rows[0]) + 1;
if(pkUpdateRecord(pNdb, r+rows_found, 1, updates) != NDBT_OK)
{
ERR(pTrans->getNdbError());
closeTransaction(pNdb);
return NDBT_FAILED;
}
rows_found++;
} while((check = pIndexScanOp->nextResult(false)) == 0);
if(check != 2)
break;
if((check = pTrans->execute(NoCommit, AbortOnError)) != 0)
break;
}
if(check != 1 || rows_found != batch)
{
closeTransaction(pNdb);
return NDBT_FAILED;
}
}
else
{
for(b = 0; b<batch && (b+r)<records; b++)
{
if (calc.verifyRowValues(rows[b]) != 0)
{
closeTransaction(pNdb);
return NDBT_FAILED;
}
int updates = calc.getUpdatesValue(rows[b]) + 1;
if(pkUpdateRecord(pNdb, r+b, 1, updates) != NDBT_OK)
{
ERR(pTrans->getNdbError());
closeTransaction(pNdb);
return NDBT_FAILED;
}
}
check = pTrans->execute(Commit, AbortOnError);
}
if( check == -1 ) {
const NdbError err = pTrans->getNdbError();
if (err.status == NdbError::TemporaryError){
ERR(err);
closeTransaction(pNdb);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
ERR(err);
ndbout << "r = " << r << endl;
closeTransaction(pNdb);
return NDBT_FAILED;
}
else{
updated += batch;
m_latest_gci = pTrans->getGCI();
}
closeTransaction(pNdb);
if (timer_active) {
NdbTick_getMicroTimer(&timer_stop);
NDB_TICKS ticks = NdbTick_getMicrosPassed(timer_start, timer_stop);
m_stats_latency->addObservation((double)ticks);
}
r += batch; // Read next record
batch_no++;
}
deallocRows();
g_info << "|- " << updated << " records updated" << endl;
return NDBT_OK;
}
int
HugoTransactions::pkReadRecords(Ndb* pNdb,
int records,
int batch,
NdbOperation::LockMode lm){
int reads = 0;
int r = 0;
int retryAttempt = 0;
int check;
if (batch == 0) {
g_info << "ERROR: Argument batch == 0 in pkReadRecords(). Not allowed." << endl;
return NDBT_FAILED;
}
while (r < records){
if(r + batch > records)
batch = records - r;
if (retryAttempt >= m_retryMax){
g_info << "ERROR: has retried this operation " << retryAttempt
<< " times, failing!" << endl;
return NDBT_FAILED;
}
pTrans = pNdb->startTransaction();
if (pTrans == NULL) {
const NdbError err = pNdb->getNdbError();
if (err.status == NdbError::TemporaryError){
ERR(err);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
ERR(err);
return NDBT_FAILED;
}
MicroSecondTimer timer_start;
MicroSecondTimer timer_stop;
bool timer_active =
m_stats_latency != 0 &&
r >= batch && // first batch is "warmup"
r + batch != records; // last batch is usually partial
if (timer_active)
NdbTick_getMicroTimer(&timer_start);
if(pkReadRecord(pNdb, r, batch, lm) != NDBT_OK)
{
ERR(pTrans->getNdbError());
closeTransaction(pNdb);
return NDBT_FAILED;
}
check = pTrans->execute(Commit, AbortOnError);
if( check == -1 ) {
const NdbError err = pTrans->getNdbError();
if (err.status == NdbError::TemporaryError){
ERR(err);
closeTransaction(pNdb);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
switch(err.code){
case 626: // Tuple did not exist
g_info << r << ": " << err.code << " " << err.message << endl;
r++;
break;
default:
ERR(err);
closeTransaction(pNdb);
return NDBT_FAILED;
}
} else {
if(pIndexScanOp)
{
int rows_found = 0;
while((check = pIndexScanOp->nextResult()) == 0)
{
rows_found++;
if (calc.verifyRowValues(rows[0]) != 0){
closeTransaction(pNdb);
return NDBT_FAILED;
}
}
if(check != 1 || rows_found > batch)
{
closeTransaction(pNdb);
return NDBT_FAILED;
}
else if(rows_found < batch)
{
if(batch == 1){
g_info << r << ": not found" << endl; abort(); }
else
g_info << "Found " << rows_found << " of "
<< batch << " rows" << endl;
}
r += batch;
reads += rows_found;
}
else
{
for (int b=0; (b<batch) && (r+b<records); b++){
if (calc.verifyRowValues(rows[b]) != 0){
closeTransaction(pNdb);
return NDBT_FAILED;
}
reads++;
r++;
}
}
}
closeTransaction(pNdb);
if (timer_active) {
NdbTick_getMicroTimer(&timer_stop);
NDB_TICKS ticks = NdbTick_getMicrosPassed(timer_start, timer_stop);
m_stats_latency->addObservation((double)ticks);
}
}
deallocRows();
g_info << reads << " records read" << endl;
return NDBT_OK;
}
HugoTransactions::~HugoTransactions(){
deallocRows();
}
int
HugoTransactions::indexReadRecords(Ndb* pNdb,
const char * idxName,
int records,
int batch){
int reads = 0;
int r = 0;
int retryAttempt = 0;
int check, a;
NdbOperation *pOp;
NdbIndexScanOperation *sOp;
const NdbDictionary::Index* pIndex
= pNdb->getDictionary()->getIndex(idxName, tab.getName());
const bool ordered = (pIndex->getType()==NdbDictionary::Index::OrderedIndex);
if (batch == 0) {
g_info << "ERROR: Argument batch == 0 in indexReadRecords(). "
<< "Not allowed." << endl;
return NDBT_FAILED;
}
if (ordered) {
batch = 1;
}
allocRows(batch);
while (r < records){
if (retryAttempt >= m_retryMax){
g_info << "ERROR: has retried this operation " << retryAttempt
<< " times, failing!" << endl;
return NDBT_FAILED;
}
pTrans = pNdb->startTransaction();
if (pTrans == NULL) {
const NdbError err = pNdb->getNdbError();
if (err.status == NdbError::TemporaryError){
ERR(err);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
ERR(err);
return NDBT_FAILED;
}
for(int b=0; (b<batch) && (r+b < records); b++){
if(!ordered){
pOp = pTrans->getNdbIndexOperation(idxName, tab.getName());
if (pOp == NULL) {
ERR(pTrans->getNdbError());
closeTransaction(pNdb);
return NDBT_FAILED;
}
check = pOp->readTuple();
} else {
pOp = sOp = pTrans->getNdbIndexScanOperation(idxName, tab.getName());
if (sOp == NULL) {
ERR(pTrans->getNdbError());
closeTransaction(pNdb);
return NDBT_FAILED;
}
check = sOp->readTuples();
}
if( check == -1 ) {
ERR(pTrans->getNdbError());
closeTransaction(pNdb);
return NDBT_FAILED;
}
// Define primary keys
if (equalForRow(pOp, r+b) != 0)
{
closeTransaction(pNdb);
return NDBT_FAILED;
}
// Define attributes to read
for(a = 0; a<tab.getNoOfColumns(); a++){
if((rows[b]->attributeStore(a) =
pOp->getValue(tab.getColumn(a)->getName())) == 0) {
ERR(pTrans->getNdbError());
closeTransaction(pNdb);
return NDBT_FAILED;
}
}
}
check = pTrans->execute(Commit, AbortOnError);
check = (check == -1 ? -1 : !ordered ? check : sOp->nextResult(true));
if( check == -1 ) {
const NdbError err = pTrans->getNdbError();
if (err.status == NdbError::TemporaryError){
ERR(err);
closeTransaction(pNdb);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
switch(err.code){
case 626: // Tuple did not exist
g_info << r << ": " << err.code << " " << err.message << endl;
r++;
break;
default:
ERR(err);
closeTransaction(pNdb);
return NDBT_FAILED;
}
} else{
for (int b=0; (b<batch) && (r+b<records); b++){
if (calc.verifyRowValues(rows[b]) != 0){
closeTransaction(pNdb);
return NDBT_FAILED;
}
reads++;
r++;
}
if(ordered && sOp->nextResult(true) == 0){
ndbout << "Error when comparing records "
<< " - index op next_result to many" << endl;
closeTransaction(pNdb);
return NDBT_FAILED;
}
}
closeTransaction(pNdb);
}
deallocRows();
g_info << reads << " records read" << endl;
return NDBT_OK;
}
int
HugoTransactions::lockRecords(Ndb* pNdb,
int records,
int percentToLock,
int lockTime){
// Place a lock on percentToLock% of the records in the Db
// Keep the locks for lockTime ms, commit operation
// and lock som other records
int r = 0;
int retryAttempt = 0;
int check;
NdbOperation::LockMode lm = NdbOperation::LM_Exclusive;
// Calculate how many records to lock in each batch
if (percentToLock <= 0)
percentToLock = 1;
double percentVal = (double)percentToLock / 100;
int lockBatch = (int)(records * percentVal);
if (lockBatch <= 0)
lockBatch = 1;
allocRows(lockBatch);
while (r < records){
if(r + lockBatch > records)
lockBatch = records - r;
g_info << "|- Locking " << lockBatch << " records..." << endl;
if (retryAttempt >= m_retryMax){
g_info << "ERROR: has retried this operation " << retryAttempt
<< " times, failing!" << endl;
return NDBT_FAILED;
}
pTrans = pNdb->startTransaction();
if (pTrans == NULL) {
const NdbError err = pNdb->getNdbError();
if (err.status == NdbError::TemporaryError){
ERR(err);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
ERR(err);
return NDBT_FAILED;
}
if(pkReadRecord(pNdb, r, lockBatch, lm) != NDBT_OK)
{
ERR(pTrans->getNdbError());
closeTransaction(pNdb);
return NDBT_FAILED;
}
// NoCommit lockTime times with 100 millis interval
int sleepInterval = 50;
int lockCount = lockTime / sleepInterval;
int commitCount = 0;
do {
check = pTrans->execute(NoCommit, AbortOnError);
if( check == -1) {
const NdbError err = pTrans->getNdbError();
if (err.status == NdbError::TemporaryError){
ERR(err);
closeTransaction(pNdb);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
ERR(err);
closeTransaction(pNdb);
return NDBT_FAILED;
}
for (int b=0; (b<lockBatch) && (r+b<records); b++){
if (calc.verifyRowValues(rows[b]) != 0){
closeTransaction(pNdb);
return NDBT_FAILED;
}
}
commitCount++;
NdbSleep_MilliSleep(sleepInterval);
} while (commitCount < lockCount);
// Really commit the trans, puuh!
check = pTrans->execute(Commit, AbortOnError);
if( check == -1) {
const NdbError err = pTrans->getNdbError();
if (err.status == NdbError::TemporaryError){
ERR(err);
closeTransaction(pNdb);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
ERR(err);
closeTransaction(pNdb);
return NDBT_FAILED;
}
else{
for (int b=0; (b<lockBatch) && (r<records); b++){
if (calc.verifyRowValues(rows[b]) != 0){
closeTransaction(pNdb);
return NDBT_FAILED;
}
r++; // Read next record
}
}
closeTransaction(pNdb);
}
deallocRows();
g_info << "|- Record locking completed" << endl;
return NDBT_OK;
}
int
HugoAsynchTransactions::pkUpdateRecordsAsynch(Ndb* pNdb,
int records,
int batch,
int trans,
int operations) {
g_info << "|- Updating records asynchronous..." << endl;
int check = 0;
int cTrans = 0;
int cReadRecords = 0;
int cReadIndex = 0;
int cRecords = 0;
int cIndex = 0;
transactionsCompleted = 0;
allocRows(trans*operations);
allocTransactions(trans);
int a, t, r;
for (int i = 0; i < batch; i++) { // For each batch
while (cRecords < records*batch) {
cTrans = 0;
cReadIndex = 0;
for (t = 0; t < trans; t++) { // For each transaction
transactions[t] = pNdb->startTransaction();
if (transactions[t] == NULL) {
ERR(pNdb->getNdbError());
return NDBT_FAILED;
}
for (int k = 0; k < operations; k++) { // For each operation
NdbOperation* pOp = transactions[t]->getNdbOperation(tab.getName());
if (pOp == NULL) {
ERR(transactions[t]->getNdbError());
pNdb->closeTransaction(transactions[t]);
return NDBT_FAILED;
}
// Read
// Define primary keys
check = pOp->readTupleExclusive();
for (a = 0; a < tab.getNoOfColumns(); a++) {
if (tab.getColumn(a)->getPrimaryKey() == true) {
if (equalForAttr(pOp, a, cReadRecords) != 0){
ERR(transactions[t]->getNdbError());
pNdb->closeTransaction(transactions[t]);
return NDBT_FAILED;
}
}
}
// Define attributes to read
for (a = 0; a < tab.getNoOfColumns(); a++) {
if ((rows[cReadIndex]->attributeStore(a) =
pOp->getValue(tab.getColumn(a)->getName())) == 0) {
ERR(transactions[t]->getNdbError());
pNdb->closeTransaction(transactions[t]);
return NDBT_FAILED;
}
}
cReadIndex++;
cReadRecords++;
} // For each operation
// Let's prepare...
transactions[t]->executeAsynchPrepare(NoCommit, &asynchCallback,
this);
cTrans++;
if (cReadRecords >= records) {
// No more transactions needed
break;
}
} // For each transaction
// Wait for all outstanding transactions
pNdb->sendPollNdb(3000, 0, 0);
// Verify the data!
for (r = 0; r < trans*operations; r++) {
if (calc.verifyRowValues(rows[r]) != 0) {
g_info << "|- Verify failed..." << endl;
// Close all transactions
for (int t = 0; t < cTrans; t++) {
pNdb->closeTransaction(transactions[t]);
}
return NDBT_FAILED;
}
}
// Update
cTrans = 0;
cIndex = 0;
for (t = 0; t < trans; t++) { // For each transaction
for (int k = 0; k < operations; k++) { // For each operation
NdbOperation* pOp = transactions[t]->getNdbOperation(tab.getName());
if (pOp == NULL) {
ERR(transactions[t]->getNdbError());
pNdb->closeTransaction(transactions[t]);
return NDBT_FAILED;
}
int updates = calc.getUpdatesValue(rows[cIndex]) + 1;
check = pOp->updateTuple();
if (check == -1) {
ERR(transactions[t]->getNdbError());
pNdb->closeTransaction(transactions[t]);
return NDBT_FAILED;
}
// Set search condition for the record
for (a = 0; a < tab.getNoOfColumns(); a++) {
if (tab.getColumn(a)->getPrimaryKey() == true) {
if (equalForAttr(pOp, a, cRecords) != 0) {
ERR(transactions[t]->getNdbError());
pNdb->closeTransaction(transactions[t]);
return NDBT_FAILED;
}
}
}
// Update the record
for (a = 0; a < tab.getNoOfColumns(); a++) {
if (tab.getColumn(a)->getPrimaryKey() == false) {
if (setValueForAttr(pOp, a, cRecords, updates) != 0) {
ERR(transactions[t]->getNdbError());
pNdb->closeTransaction(transactions[t]);
return NDBT_FAILED;
}
}
}
cIndex++;
cRecords++;
} // For each operation
// Let's prepare...
transactions[t]->executeAsynchPrepare(Commit, &asynchCallback,
this);
cTrans++;
if (cRecords >= records) {
// No more transactions needed
break;
}
} // For each transaction
// Wait for all outstanding transactions
pNdb->sendPollNdb(3000, 0, 0);
// Close all transactions
for (t = 0; t < cTrans; t++) {
pNdb->closeTransaction(transactions[t]);
}
} // while (cRecords < records*batch)
} // For each batch
deallocTransactions();
deallocRows();
g_info << "|- " << ((unsigned int)transactionsCompleted * operations)/2
<< " updated..." << endl;
return NDBT_OK;
}
