void Database::getStats( OperationContext* opCtx, BSONObjBuilder* output, double scale ) {
list<string> collections;
_dbEntry->getCollectionNamespaces( &collections );
long long ncollections = 0;
long long objects = 0;
long long size = 0;
long long storageSize = 0;
long long numExtents = 0;
long long indexes = 0;
long long indexSize = 0;
for (list<string>::const_iterator it = collections.begin(); it != collections.end(); ++it) {
const string ns = *it;
Collection* collection = getCollection( opCtx, ns );
if ( !collection )
continue;
ncollections += 1;
objects += collection->numRecords();
size += collection->dataSize();
BSONObjBuilder temp;
storageSize += collection->getRecordStore()->storageSize( &temp );
numExtents += temp.obj()["numExtents"].numberInt(); // XXX
indexes += collection->getIndexCatalog()->numIndexesTotal();
indexSize += getIndexSizeForCollection(opCtx, collection);
}
output->append ( "db" , _name );
output->appendNumber( "collections" , ncollections );
output->appendNumber( "objects" , objects );
output->append ( "avgObjSize" , objects == 0 ? 0 : double(size) / double(objects) );
output->appendNumber( "dataSize" , size / scale );
output->appendNumber( "storageSize" , storageSize / scale);
output->appendNumber( "numExtents" , numExtents );
output->appendNumber( "indexes" , indexes );
output->appendNumber( "indexSize" , indexSize / scale );
_dbEntry->appendExtraStats( opCtx, output, scale );
}
void Database::getStats( OperationContext* opCtx, BSONObjBuilder* output, double scale ) {
bool empty = isEmpty() || getExtentManager()->numFiles() == 0;
list<string> collections;
if ( !empty )
_dbEntry->getCollectionNamespaces( &collections );
long long ncollections = 0;
long long objects = 0;
long long size = 0;
long long storageSize = 0;
long long numExtents = 0;
long long indexes = 0;
long long indexSize = 0;
for (list<string>::const_iterator it = collections.begin(); it != collections.end(); ++it) {
const string ns = *it;
Collection* collection = getCollection( opCtx, ns );
if ( !collection )
continue;
ncollections += 1;
objects += collection->numRecords();
size += collection->dataSize();
BSONObjBuilder temp;
storageSize += collection->getRecordStore()->storageSize( &temp );
numExtents += temp.obj()["numExtents"].numberInt(); // XXX
indexes += collection->getIndexCatalog()->numIndexesTotal();
indexSize += getIndexSizeForCollection(opCtx, collection);
}
output->append ( "db" , _name );
output->appendNumber( "collections" , ncollections );
output->appendNumber( "objects" , objects );
output->append ( "avgObjSize" , objects == 0 ? 0 : double(size) / double(objects) );
output->appendNumber( "dataSize" , size / scale );
output->appendNumber( "storageSize" , storageSize / scale);
output->appendNumber( "numExtents" , numExtents );
output->appendNumber( "indexes" , indexes );
output->appendNumber( "indexSize" , indexSize / scale );
if ( !empty ) {
output->appendNumber( "fileSize" , fileSize() / scale );
output->appendNumber( "nsSizeMB", (int)_dbEntry->namespaceIndex().fileLength() / 1024 / 1024 );
}
else {
output->appendNumber( "fileSize" , 0 );
}
BSONObjBuilder dataFileVersion( output->subobjStart( "dataFileVersion" ) );
if ( !empty ) {
int major, minor;
getFileFormat( opCtx, &major, &minor );
dataFileVersion.append( "major", major );
dataFileVersion.append( "minor", minor );
}
dataFileVersion.done();
if ( !empty ){
int freeListSize = 0;
int64_t freeListSpace = 0;
getExtentManager()->freeListStats( &freeListSize, &freeListSpace );
BSONObjBuilder extentFreeList( output->subobjStart( "extentFreeList" ) );
extentFreeList.append( "num", freeListSize );
extentFreeList.appendNumber( "totalSize",
static_cast<long long>( freeListSpace / scale ) );
extentFreeList.done();
}
}
