void init(MemoryBuffer &data, MemoryBuffer &slaveData)
{
helper = (IHThorSortArg *)queryHelper();
iCompare = helper->queryCompare();
IHThorAlgorithm * algo = helper?(static_cast<IHThorAlgorithm *>(helper->selectInterface(TAIalgorithm_1))):NULL;
unstable = (algo&&algo->getAlgorithmFlags()&TAFunstable);
appendOutputLinked(this);
}
void start()
{
ActivityTimer s(totalCycles, timeActivities);
input = inputs.item(0);
try
{
try {
startInput(input);
}
catch (IException *e)
{
fireException(e);
barrier->cancel();
throw;
}
catch (CATCHALL)
{
Owned<IException> e = MakeActivityException(this, 0, "Unknown exception starting sort input");
fireException(e);
barrier->cancel();
throw;
}
dataLinkStart();
Linked<IRowInterfaces> rowif = queryRowInterfaces(input);
Owned<IRowInterfaces> auxrowif = createRowInterfaces(helper->querySortedRecordSize(),queryActivityId(),queryCodeContext());
sorter->Gather(
rowif,
input,
helper->queryCompare(),
helper->queryCompareLeftRight(),
NULL,helper->querySerialize(),
NULL,
false,
isUnstable(),
abortSoon,
auxrowif);
stopInput(input);
input = NULL;
if (abortSoon)
{
ActPrintLogEx(&queryContainer(), thorlog_null, MCwarning, "MSortSlaveActivity::start aborting");
barrier->cancel();
return;
}
}
catch (IException *e)
{
fireException(e);
barrier->cancel();
throw;
}
catch (CATCHALL)
{
Owned<IException> e = MakeActivityException(this, 0, "Unknown exception gathering sort input");
fireException(e);
barrier->cancel();
throw;
}
ActPrintLog("SORT waiting barrier.1");
if (!barrier->wait(false)) {
Sleep(1000); // let original error through
throw MakeThorException(TE_BarrierAborted,"SORT: Barrier Aborted");
}
ActPrintLog("SORT barrier.1 raised");
output.setown(sorter->startMerge(totalrows));
}
virtual void process()
{
ActPrintLog("process");
CMasterActivity::process();
IHThorSortArg *helper = (IHThorSortArg *)queryHelper();
StringBuffer skewV;
double skewError;
container.queryJob().getWorkUnitValue("overrideSkewError", skewV);
if (skewV.length())
skewError = atof(skewV.str());
else
{
skewError = helper->getSkew();
if (!skewError)
{
container.queryJob().getWorkUnitValue("defaultSkewError", skewV.clear());
if (skewV.length())
skewError = atof(skewV.str());
}
}
container.queryJob().getWorkUnitValue("defaultSkewWarning", skewV.clear());
double defaultSkewWarning = skewV.length() ? atof(skewV.str()) : 0;
double skewWarning = defaultSkewWarning;
unsigned __int64 skewThreshold = container.queryJob().getWorkUnitValueInt("overrideSkewThreshold", 0);
if (!skewThreshold)
{
skewThreshold = helper->getThreshold();
if (!skewThreshold)
skewThreshold = container.queryJob().getWorkUnitValueInt("defaultSkewThreshold", 0);
}
StringBuffer cosortfilenames;
const char *cosortlogname = helper->getSortedFilename();
if (cosortlogname&&*cosortlogname) {
Owned<IDistributedFile> file = queryThorFileManager().lookup(container.queryJob(), cosortlogname);
Owned<IFileDescriptor> fileDesc = file->getFileDescriptor();
queryThorFileManager().noteFileRead(container.queryJob(), file);
unsigned o;
for (o=0; o<fileDesc->numParts(); o++)
{
Owned<IPartDescriptor> partDesc = fileDesc->getPart(o);
if (cosortfilenames.length())
cosortfilenames.append("|");
// JCSMORE - picking the primary here, means no automatic use of backup copy, could use RMF's possibly.
getPartFilename(*partDesc, 0, cosortfilenames);
}
}
Owned<IRowInterfaces> rowif = createRowInterfaces(container.queryInput(0)->queryHelper()->queryOutputMeta(),queryActivityId(),queryCodeContext());
Owned<IRowInterfaces> auxrowif = createRowInterfaces(helper->querySortedRecordSize(),queryActivityId(),queryCodeContext());
try {
imaster->SortSetup(rowif,helper->queryCompare(),helper->querySerialize(),cosortfilenames.length()!=0,true,cosortfilenames.toCharArray(),auxrowif);
if (barrier->wait(false)) { // local sort complete
size32_t maxdeviance=globals->getPropInt("@sort_max_deviance", 10*1024*1024);
if (!imaster->Sort(skewThreshold,skewWarning,skewError,maxdeviance,true,false,false,(unsigned)globals->getPropInt("@smallSortThreshold"))) {
Owned<IThorException> e = MakeActivityException(this, TE_SortFailedSkewExceeded,"SORT failed, skew exceeded");
fireException(e);
}
barrier->wait(false); // merge complete
}
imaster->SortDone();
}
catch (IException *e)
{
ActPrintLog(e, "WARNING: exception during sort");
throw;
}
::Release(imaster);
ActPrintLog("process exit");
}
virtual void process()
{
ActPrintLog("process");
CSortBaseActivityMaster::process();
IHThorSortArg *helper = (IHThorSortArg *)queryHelper();
StringBuffer skewV;
double skewError;
container.queryJob().getWorkUnitValue("overrideSkewError", skewV);
if (skewV.length())
skewError = atof(skewV.str());
else
{
skewError = helper->getSkew();
if (!skewError)
{
container.queryJob().getWorkUnitValue("defaultSkewError", skewV.clear());
if (skewV.length())
skewError = atof(skewV.str());
}
}
container.queryJob().getWorkUnitValue("defaultSkewWarning", skewV.clear());
double defaultSkewWarning = skewV.length() ? atof(skewV.str()) : 0;
double skewWarning = defaultSkewWarning;
unsigned __int64 skewThreshold = container.queryJob().getWorkUnitValueInt("overrideSkewThreshold", 0);
if (!skewThreshold)
{
skewThreshold = helper->getThreshold();
if (!skewThreshold)
skewThreshold = container.queryJob().getWorkUnitValueInt("defaultSkewThreshold", 0);
}
Owned<IThorRowInterfaces> rowif = createRowInterfaces(container.queryInput(0)->queryHelper()->queryOutputMeta());
Owned<IThorRowInterfaces> auxrowif = createRowInterfaces(helper->querySortedRecordSize());
try
{
imaster->SortSetup(rowif,helper->queryCompare(),helper->querySerialize(),cosortfilenames.length()!=0,true,cosortfilenames.str(),auxrowif);
if (barrier->wait(false)) // local sort complete
{
size32_t maxdeviance = getOptUInt(THOROPT_SORT_MAX_DEVIANCE, 10*1024*1024);
try
{
imaster->Sort(skewThreshold,skewWarning,skewError,maxdeviance,true,false,false,getOptUInt(THOROPT_SMALLSORT));
}
catch (IThorException *e)
{
if (TE_SkewError == e->errorCode())
{
StringBuffer s;
Owned<IThorException> e2 = MakeActivityException(this, TE_SortFailedSkewExceeded, "SORT failed. %s", e->errorMessage(s).str());
e->Release();
fireException(e2);
}
else
throw;
}
barrier->wait(false); // merge complete
}
imaster->SortDone();
}
catch (IException *e)
{
ActPrintLog(e, "WARNING: exception during sort");
throw;
}
::Release(imaster);
ActPrintLog("process exit");
}