uint64_t BtreeBasedBuilder::fastBuildIndex(const char* ns, NamespaceDetails* d,
IndexDetails& idx, bool mayInterrupt,
int idxNo) {
CurOp * op = cc().curop();
Timer t;
tlog(1) << "fastBuildIndex " << ns << ' ' << idx.info.obj().toString() << endl;
bool dupsAllowed = !idx.unique() || ignoreUniqueIndex(idx);
bool dropDups = idx.dropDups() || inDBRepair;
BSONObj order = idx.keyPattern();
getDur().writingDiskLoc(idx.head).Null();
if ( logLevel > 1 ) printMemInfo( "before index start" );
/* get and sort all the keys ----- */
ProgressMeterHolder pm(op->setMessage("index: (1/3) external sort",
"Index: (1/3) External Sort Progress",
d->stats.nrecords,
10));
SortPhaseOne phase1;
addKeysToPhaseOne(d, ns, idx, order, &phase1, d->stats.nrecords, pm.get(),
mayInterrupt, idxNo );
pm.finished();
BSONObjExternalSorter& sorter = *(phase1.sorter);
if( phase1.multi ) {
d->setIndexIsMultikey(ns, idxNo);
}
if ( logLevel > 1 ) printMemInfo( "before final sort" );
phase1.sorter->sort( mayInterrupt );
if ( logLevel > 1 ) printMemInfo( "after final sort" );
LOG(t.seconds() > 5 ? 0 : 1) << "\t external sort used : " << sorter.numFiles()
<< " files " << " in " << t.seconds() << " secs" << endl;
set<DiskLoc> dupsToDrop;
/* build index --- */
if( idx.version() == 0 )
buildBottomUpPhases2And3<V0>(dupsAllowed,
idx,
sorter,
dropDups,
dupsToDrop,
op,
&phase1,
pm,
t,
mayInterrupt);
else if( idx.version() == 1 )
buildBottomUpPhases2And3<V1>(dupsAllowed,
idx,
sorter,
dropDups,
dupsToDrop,
op,
&phase1,
pm,
t,
mayInterrupt);
else
verify(false);
if( dropDups )
log() << "\t fastBuildIndex dupsToDrop:" << dupsToDrop.size() << endl;
BtreeBasedBuilder::doDropDups(ns, d, dupsToDrop, mayInterrupt);
return phase1.n;
}
uint64_t BtreeBasedBuilder::fastBuildIndex( Collection* collection,
IndexDescriptor* idx,
bool mayInterrupt ) {
CurOp * op = cc().curop();
Timer t;
MONGO_TLOG(1) << "fastBuildIndex " << collection->ns() << ' ' << idx->toString() << endl;
bool dupsAllowed = !idx->unique() || ignoreUniqueIndex(idx->getOnDisk());
bool dropDups = idx->dropDups() || inDBRepair;
BSONObj order = idx->keyPattern();
getDur().writingDiskLoc(idx->getOnDisk().head).Null();
if ( logger::globalLogDomain()->shouldLog(logger::LogSeverity::Debug(2) ) )
printMemInfo( "before index start" );
/* get and sort all the keys ----- */
ProgressMeterHolder pm(op->setMessage("index: (1/3) external sort",
"Index: (1/3) External Sort Progress",
collection->numRecords(),
10));
SortPhaseOne phase1;
addKeysToPhaseOne(collection, idx, order, &phase1, pm.get(), mayInterrupt );
pm.finished();
BSONObjExternalSorter& sorter = *(phase1.sorter);
if( phase1.multi ) {
collection->getIndexCatalog()->markMultikey( idx );
}
if ( logger::globalLogDomain()->shouldLog(logger::LogSeverity::Debug(2) ) )
printMemInfo( "before final sort" );
phase1.sorter->sort( mayInterrupt );
if ( logger::globalLogDomain()->shouldLog(logger::LogSeverity::Debug(2) ) )
printMemInfo( "after final sort" );
LOG(t.seconds() > 5 ? 0 : 1) << "\t external sort used : " << sorter.numFiles()
<< " files " << " in " << t.seconds() << " secs" << endl;
set<DiskLoc> dupsToDrop;
/* build index --- */
if( idx->version() == 0 )
buildBottomUpPhases2And3<V0>(dupsAllowed,
idx,
sorter,
dropDups,
dupsToDrop,
op,
&phase1,
pm,
t,
mayInterrupt);
else if( idx->version() == 1 )
buildBottomUpPhases2And3<V1>(dupsAllowed,
idx,
sorter,
dropDups,
dupsToDrop,
op,
&phase1,
pm,
t,
mayInterrupt);
else
verify(false);
if( dropDups )
log() << "\t fastBuildIndex dupsToDrop:" << dupsToDrop.size() << endl;
doDropDups(collection, dupsToDrop, mayInterrupt);
return phase1.n;
}
