@Override
    public void put(String value) {
        dataList.add(value);
        if (dataList.size() >= BATCH_COUNT) {
            fileCache.put(activeIndex, dataList);
            activeIndex++;
            dataList = ListUtils.newArrayListWithExpectedSize(BATCH_COUNT);
        }
        if (log.isDebugEnabled()) {
            int alreadyPut = activeIndex * BATCH_COUNT + dataList.size();
            if (alreadyPut % DEBUG_WRITE_SIZE == 0) {
                log.debug("Already put :{}", alreadyPut);
            }
        }
    }
Count the number of cache misses
fastexcel-core/src/main/java/cn/idev/excel/cache/Ehcache.java