final OFileCreatedCreatedWALRecord fileCreatedCreatedRecord = (OFileCreatedCreatedWALRecord) operationUnitRecord;
diskCache.openFile(fileCreatedCreatedRecord.getFileName(), fileCreatedCreatedRecord.getFileId());
} else if (operationUnitRecord instanceof OAtomicUnitEndRecord) {
final OAtomicUnitEndRecord atomicUnitEndRecord = (OAtomicUnitEndRecord) walRecord;
if (atomicUnitEndRecord.isRollback())
undoOperation(records);
operationUnits.remove(unitId);
} else {
OLogManager.instance().error(this, "Invalid WAL record type was passed %s. Given record will be skipped.",