<clickhouse>

<logger>

<!--

Possible levels: ["none", "fatal", "critical", "error", "warning", "notice", "information", "debug", "trace", "test"]

See: https://github.com/pocoproject/poco/blob/poco-1.9.4-release/Foundation/include/Poco/Logger.h#L105-L114

-->

<level>warning</level>

</logger>

<!-- Official recommendations for systems with <16GB RAM -->

<mark_cache_size>524288000</mark_cache_size> <!-- 500MB -->

<concurrent_threads_soft_limit_num>1</concurrent_threads_soft_limit_num>

<profiles>

<default>

<max_block_size>8192</max_block_size>

<max_download_threads>1</max_download_threads>

<input_format_parallel_parsing>0</input_format_parallel_parsing>

<output_format_parallel_formatting>0</output_format_parallel_formatting>

</default>

</profiles>

</clickhouse>