int segTargetId = segTarget.getSegmentId();
Chronos c = new Chronos();
if(!segment.canReadFromBuffer() && segment.getLoadFactor() > 0.1) {
segSource = new BufferedSegment(segment, getByteBuffer((int)segment.getInitialSize()));
_log.info("buffering: " + c.tick() + " ms");
}
// Open the segment index buffer for the target segment
SegmentIndexBuffer sibTarget = sibEnabled ? _dataArray.getSegmentManager().openSegmentIndexBuffer(segTargetId) : null;