Status RocksEngine::createRecordStore(OperationContext* opCtx, StringData ns, StringData ident,
const CollectionOptions& options) {
auto s = _createIdentPrefix(ident);
if (s.isOK() && NamespaceString::oplog(ns)) {
_oplogIdent = ident.toString();
// oplog needs two prefixes, so we also reserve the next one
uint64_t oplogTrackerPrefix = 0;
{
boost::lock_guard<boost::mutex> lk(_identPrefixMapMutex);
oplogTrackerPrefix = ++_maxPrefix;
}
// we also need to write out the new prefix to the database. this is just an
// optimization
std::string encodedPrefix(encodePrefix(oplogTrackerPrefix));
s = rocksToMongoStatus(
_db->Put(rocksdb::WriteOptions(), encodedPrefix, rocksdb::Slice()));
}
return s;
}
Status RocksEngine::createSortedDataInterface(OperationContext* opCtx, StringData ident,
const IndexDescriptor* desc) {
return _createIdentPrefix(ident);
}
Status RocksEngine::createRecordStore(OperationContext* opCtx, StringData ns, StringData ident,
const CollectionOptions& options) {
return _createIdentPrefix(ident);
}
