int bufferSize = 1024 * 1024;// @TODO
Map<String, OpenBitSet> filePartsToWarm = new HashMap<String, OpenBitSet>();
for (String fieldName : preCacheCols) {
indexWarmup.getFilePositionsToWarm(reader, sampleIndex, fieldName, context, filePartsToWarm, blockSize);
}
indexWarmup.warmFile(reader, filePartsToWarm, context, blockSize, bufferSize);
}
} finally {
synchronized (_stops) {
_stops.remove(stop);