@Override
    public Segment open(IndexMemCache indexMemCache, ExtIndexMemCache extIndexMemCache, PackMemCache packMemCache) throws IOException {
        if (savedSegment != null) {
            return savedSegment.open(indexMemCache, extIndexMemCache, packMemCache);
        } else {
            return new RTSeg(version(), mode(), name, schema, rowsInMemory, rowInMemoryCount);
        }
    }
Try load saved segment from local disk.
indexr-segment/src/main/java/io/indexr/segment/rt/RealtimeSegment.java