https://clickhouse-test-reports.s3.yandex.net/17375/99073c26ee2692f8efe2ab14b2d8ae0fd813b80e/fuzzer/fuzzer.log

```
SELECT
    k,
    topK(v)
FROM 
(
    SELECT
        number % 7 AS k,
        arrayMap(x -> arrayMap(x -> if(x = 0, NULL, toString(x)), range(x)), range(intDiv(number, 1))) AS v
    FROM system.numbers
    LIMIT 257
)
GROUP BY k
ORDER BY k ASC
```
{
        return m_capacity;
    }
    void clear()
    {
        return destroyElements();
    }
    void resize(size_t new_capacity)
    {
        counter_list.reserve(new_capacity);
        alpha_map.resize(nextAlphaSize(new_capacity));
        m_capacity = new_capacity;
    }
    void insert(const TKey & key, UInt64 increment = 1, UInt64 error = 0)
    {
        
        auto hash = counter_map.hash(key);
        if (auto counter = findCounter(key, hash); counter)
        {
            counter->count += increment;
            counter->error += error;
            percolate(counter);
            return;
        }
        
        if (unlikely(size() < capacity()))
        {
            auto c = new Counter(arena.emplace(key), increment, error, hash);
            push(c);