feat:add rocksdb write params

[MalikHou]

Add some new params for rocksdb

Background

Frequent write stop/stall in large-volume random write tests

Change

• add level0_file_num_compaction_trigger
• add level0_stop_writes_trigger
• add level0_slowdown_writes_trigger
• add min_write_buffer_number_to_merge
• add max_bytes_for_level_base
• add max_subcompactions

For the sake of compatibility, the parameters in MR still maintain the default parameters of Rocksdb. If necessary, you can test and adjust by yourself.

Result

In the case of a large number of random writes, the write/stall situation can be greatly alleviated through specific parameter combinations.