Method adjustBufferSize

src/IO/ReadSettings.cpp:40–49

}

ReadSettings ReadSettings::adjustBufferSize(size_t file_size) const
{
    ReadSettings res = *this;
    res.local_fs_settings.buffer_size = std::min(std::max(1ul, file_size), local_fs_settings.buffer_size);
    res.remote_fs_settings.buffer_size = std::min(std::max(1ul, file_size), remote_fs_settings.buffer_size);
    /// Note, we do not touch `remote_fs_settings.large_buffer_size` since when
    /// `filesystem_cache_settings.prefer_bigger_buffer_size` is set the buffer
    /// may grow up to `large_buffer_size`, but it will not exceed total file size.
    return res;
}

void ReadSettings::disableCaches()
{