Statistics
https://play.clickhouse.com/play?user=play#c2VsZWN0IAp0b1N0YXJ0T2ZIb3VyKGNoZWNrX3N0YXJ0X3RpbWUpIGFzIGQsCmNvdW50KCksICBncm91cFVuaXFBcnJheShwdWxsX3JlcXVlc3RfbnVtYmVyKSwgIGFueShyZXBvcnRfdXJsKQpmcm9tIGNoZWNrcyB3aGVyZSAnMjAyMi0wNi0wMScgPD0gY2hlY2tfc3RhcnRfdGltZSBhbmQgdGVzdF9uYW1lIGxpa2UgJyUwMjQ5MV9wYXJ0X2xvZ19oYXNfdGFibGVfdXVpZCUnIGFuZCB0ZXN0X3N0YXR1cyBpbiAoJ0ZBSUwnLCAnRkxBS1knKSBncm91cCBieSBkIG9yZGVyIGJ5IGQgZGVzYw==

Some times there are not output from requests.
disk->removeRecursive(fs::path(relative_data_path) / MOVING_DIR_NAME);
        MergeTreeWriteAheadLog::dropAllWriteAheadLogs(disk, relative_data_path);
        try
        {
            if (!disk->isDirectoryEmpty(relative_data_path) && supportsReplication() && disk->supportZeroCopyReplication() && settings_ptr->allow_remote_fs_zero_copy_replication)
            {
                std::vector<std::string> files_left;
                disk->listFiles(relative_data_path, files_left);
                throw Exception(
                    ErrorCodes::ZERO_COPY_REPLICATION_ERROR, "Directory {} with table {} not empty (files [{}]) after drop. Will not drop.",
                    relative_data_path, getStorageID().getNameForLogs(), fmt::join(files_left, ", "));
            }
            LOG_INFO(log, "dropAllData: removing table directory recursive to cleanup garbage");
            disk->removeRecursive(relative_data_path);
        }
        catch (const fs::filesystem_error & e)
        {
            if (e.code() == std::errc::no_such_file_or_directory)
            {
                
                tryLogCurrentException(__PRETTY_FUNCTION__);
            }
            else
                throw;
        }
    }
    setDataVolume(0, 0, 0);
    LOG_TRACE(log, "dropAllData: done.");
}
void MergeTreeData::dropIfEmpty()