```
ubuntu@ip-172-31-79-147:/opt/downloads$ clickhouse-local --max_threads 8 --query "WITH parseDateTimeBestEffort(extract(_path, 'pageviews-([\\d\\-]+)\\.gz$')) AS time, splitByChar(' ', line) AS values, splitByChar('.', values[1]) AS projects SELECT time, projects[1] AS project, projects[2] AS subproject, values[2] AS path, (values[3])::UInt64 AS hits FROM file('pageviews*.gz', LineAsString) WHERE length(values) >= 3" | pv > /dev/null
^C01GiB 0:01:08 [ 129MiB/s] [                                                                                                                                                                   <=>                                                                                    ]

ubuntu@ip-172-31-79-147:/opt/downloads$ clickhouse-local --max_threads 8 --query "WITH parseDateTimeBestEffort(extract(toLowCardinality(_path), 'pageviews-([\\d\\-]+)\\.gz$')) AS time, splitByChar(' ', line) AS values, splitByChar('.', values[1]) AS projects SELECT time, projects[1] AS project, projects[2] AS subproject, values[2] AS path, (values[3])::UInt64 AS hits FROM file('pageviews*.gz', LineAsString) WHERE length(values) >= 3" | pv > /dev/null
^C46GiB 0:00:48 [ 175MiB/s] [                                                                                                                                                                                                                                        <=>               ]
```

}
        
        else
        {
            FileMeta meta{file, 0, 0};
            file_infos.meta_by_inode.emplace(ctx.inode, meta);
        }
    }
    
    if (file_infos.meta_by_inode.size() > file_infos.context_by_name.size())
    {
        InodeToFileMeta valid_metas;
        valid_metas.reserve(file_infos.context_by_name.size());
        for (const auto & [inode, meta] : file_infos.meta_by_inode)
        {
            
            
            
            
            if (auto it = file_infos.context_by_name.find(meta.file_name);
                it != file_infos.context_by_name.end() && it->second.inode == inode)
                valid_metas.emplace(inode, meta);
            
            else
                std::filesystem::remove(getFullMetaPath(meta.file_name));
        }
        file_infos.meta_by_inode.swap(valid_metas);
    }
}
void StorageFileLog::serialize() const