CountDownLatch latch = new CountDownLatch(storeFileScannerCount);
List<ParallelSeekHandler> handlers =
new ArrayList<ParallelSeekHandler>(storeFileScannerCount);
for (KeyValueScanner scanner : scanners) {
if (scanner instanceof StoreFileScanner) {
ParallelSeekHandler seekHandler = new ParallelSeekHandler(scanner, kv,
MultiVersionConsistencyControl.getThreadReadPoint(), latch);
executor.submit(seekHandler);
handlers.add(seekHandler);
} else {
scanner.seek(kv);